diff --git a/include/functions.h b/include/functions.h
index 6e61dc816..94f977dfa 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -1866,8 +1866,8 @@ void OLib_DbCameraVec3fSum(PosRot* a, Vec3f* b, Vec3f* dest, s16 mode);
 // void func_8010DC58(UNK_TYPE1 param_1, UNK_TYPE1 param_2, UNK_TYPE1 param_3, UNK_TYPE1 param_4, UNK_TYPE2 param_5);
 // void func_8010DE38(UNK_TYPE1 param_1, UNK_TYPE1 param_2, UNK_TYPE1 param_3, UNK_TYPE1 param_4, UNK_TYPE2 param_5, UNK_TYPE2 param_6);
 // void Interface_InitVertices(void);
-// void func_8010E968(void);
-void func_8010E9F0(s16 arg0, s16 arg1);
+// void Interface_TimerCallback(void);
+void func_8010E9F0(s16 timerId, s16 timeLimit);
 void func_8010EA9C(s16 timeLimit, s16 arg1);
 // void func_8010EB50(void);
 // void func_8010EBA0(void);
@@ -1929,7 +1929,7 @@ void func_8011C808(PlayState* play);
 // void func_80121000(UNK_TYPE1 param_1, UNK_TYPE1 param_2, UNK_TYPE1 param_3, UNK_TYPE1 param_4, UNK_TYPE4 param_5, UNK_TYPE4 param_6, UNK_TYPE4 param_7, UNK_TYPE1 param_8, UNK_TYPE1 param_9, UNK_TYPE1 param_10, UNK_TYPE4 param_11, UNK_TYPE4 param_12, UNK_TYPE4 param_13, UNK_TYPE4 param_14);
 // void Interface_AllocStory(void);
 // void Interface_Update(void);
-// void func_80121F94(void);
+// void Interface_Destroy(void);
 void Interface_Init(PlayState* play);
 Path* Path_GetByIndex(PlayState* play, s16 index, s16 max);
 f32 Path_OrientAndGetDistSq(Actor* actor, Path* path, s16 waypoint, s16* yaw);
diff --git a/include/variables.h b/include/variables.h
index e45076e78..5547f2eb0 100644
--- a/include/variables.h
+++ b/include/variables.h
@@ -1048,7 +1048,7 @@ extern UNK_PTR D_801BF5C0;
 // extern UNK_TYPE1 D_801BF96A;
 // extern UNK_TYPE1 D_801BF96C;
 // extern UNK_TYPE1 D_801BF96E;
-// extern UNK_TYPE2 D_801BF970;
+// extern UNK_TYPE2 sTimerId;
 // extern UNK_TYPE1 D_801BF972;
 // extern UNK_TYPE2 D_801BF974;
 // extern UNK_TYPE2 D_801BF978;
diff --git a/include/z64save.h b/include/z64save.h
index 8565daf2b..8339e6ce1 100644
--- a/include/z64save.h
+++ b/include/z64save.h
@@ -54,6 +54,38 @@ typedef enum {
 #define MAGIC_NORMAL_METER 0x30
 #define MAGIC_DOUBLE_METER (2 * MAGIC_NORMAL_METER)
 
+typedef enum {
+    /* 0 */ TIMER_STATE_OFF,
+    /* 1 */ TIMER_STATE_1,
+    /* 2 */ TIMER_STATE_2,
+    /* 3 */ TIMER_STATE_3,
+    /* 4 */ TIMER_STATE_4,
+    /* 5 */ TIMER_STATE_5,
+    /* 6 */ TIMER_STATE_6,
+    /* 7 */ TIMER_STATE_7,
+    /* 8 */ TIMER_STATE_8,
+    /* 9 */ TIMER_STATE_9,
+    /* 10 */ TIMER_STATE_10,
+    /* 11 */ TIMER_STATE_11,
+    /* 12 */ TIMER_STATE_12,
+    /* 13 */ TIMER_STATE_13,
+    /* 14 */ TIMER_STATE_14,
+    /* 15 */ TIMER_STATE_15,
+    /* 16 */ TIMER_STATE_16
+} TimerState;
+
+typedef enum {
+    /* 0 */ TIMER_ID_0,
+    /* 1 */ TIMER_ID_1,
+    /* 2 */ TIMER_ID_2,
+    /* 3 */ TIMER_ID_3, // countdown until mooncrash
+    /* 4 */ TIMER_ID_4,
+    /* 5 */ TIMER_ID_5,
+    /* 6 */ TIMER_ID_6,
+    /* 7 */ TIMER_ID_MAX,
+    /* 99 */ TIMER_ID_NONE = 99,
+} TimerId;
+
 typedef struct SramContext {
     /* 0x00 */ u8* readBuff;
     /* 0x04 */ u8 *saveBuf;
@@ -214,11 +246,11 @@ typedef struct SaveContext {
     /* 0x1015 */ u8 unk_1015;
     /* 0x1016 */ u16 jinxTimer;
     /* 0x1018 */ s16 rupeeAccumulator;                  // "lupy_udct"
-    /* 0x101A */ u8 unk_101A[6];                        // "bottle_status", one entry for each bottle
-    /* 0x1020 */ OSTime unk_1020[6];                    // "bottle_ostime", one entry for each bottle
-    /* 0x1050 */ OSTime unk_1050[6];                    // "bottle_sub", one entry for each bottle
-    /* 0x1080 */ OSTime unk_1080[6];                    // "bottle_time", one entry for each bottle
-    /* 0x10B0 */ OSTime unk_10B0[6];                    // "bottle_stop_time", one entry for each bottle
+    /* 0x101A */ u8 bottleStatus[6];                        // "bottle_status", one entry for each bottle
+    /* 0x1020 */ OSTime bottleTimer1Value[6];                    // "bottle_ostime", one entry for each bottle
+    /* 0x1050 */ OSTime bottleTimer2Value[6];                    // "bottle_sub", one entry for each bottle
+    /* 0x1080 */ OSTime bottleTimer3Value[6];                    // "bottle_time", one entry for each bottle
+    /* 0x10B0 */ OSTime bottleTimer4Value[6];                    // "bottle_stop_time", one entry for each bottle
     /* 0x10E0 */ u64 pictoPhoto[1400];                  // buffer containing the pictograph photo
     /* 0x3CA0 */ s32 fileNum;                           // "file_no"
     /* 0x3CA4 */ s16 powderKegTimer;                    // "big_bom_timer"
@@ -237,14 +269,14 @@ typedef struct SaveContext {
     /* 0x3DBF */ u8 showTitleCard;                      // "name_display"
     /* 0x3DC0 */ s16 unk_3DC0;                          // "shield_magic_timer"
     /* 0x3DC2 */ u8 unk_3DC2;                           // "pad1"
-    /* 0x3DC8 */ OSTime unk_3DC8;                       // "get_time"
-    /* 0x3DD0 */ u8 unk_3DD0[7];                        // "event_fg"
+    /* 0x3DC8 */ OSTime timerOsTime;                       // "get_time"
+    /* 0x3DD0 */ u8 timerState[7];                        // "event_fg"
     /* 0x3DD7 */ u8 timersNoTimeLimit[7];               // "calc_flag"
-    /* 0x3DE0 */ OSTime unk_3DE0[7];                    // "event_ostime"
-    /* 0x3E18 */ OSTime unk_3E18[7];                    // "event_sub"
-    /* 0x3E50 */ OSTime unk_3E50[7];                    // "func_time"
-    /* 0x3E88 */ OSTime unk_3E88[7];                    // "func_end_time"
-    /* 0x3EC0 */ OSTime unk_3EC0[7];                    // "func_stop_time"
+    /* 0x3DE0 */ OSTime eventTimer1Value[7];                    // "event_ostime"
+    /* 0x3E18 */ OSTime eventTimer2Value[7];                    // "event_sub"
+    /* 0x3E50 */ OSTime funcTimer1Value[7];                    // "func_time"
+    /* 0x3E88 */ OSTime funcTimer2Value[7];                    // "func_end_time"
+    /* 0x3EC0 */ OSTime funcTimer3Value[7];                    // "func_stop_time"
     /* 0x3EF8 */ s16 timerX[7];                         // "event_xp"
     /* 0x3F06 */ s16 timerY[7];                         // "event_yp"
     /* 0x3F14 */ s16 unk_3F14;                          // "character_change"
diff --git a/src/code/code_8012EC80.c b/src/code/code_8012EC80.c
index fa30c5f37..afb377943 100644
--- a/src/code/code_8012EC80.c
+++ b/src/code/code_8012EC80.c
@@ -688,7 +688,7 @@ void Inventory_SetMapVisibility(s16 tingleIndex) {
 void Inventory_SaveDekuPlaygroundHighScore(s16 timerId) {
     s16 i;
 
-    gSaveContext.save.dekuPlaygroundHighScores[CURRENT_DAY - 1] = gSaveContext.unk_3DE0[timerId];
+    gSaveContext.save.dekuPlaygroundHighScores[CURRENT_DAY - 1] = gSaveContext.eventTimer1Value[timerId];
 
     for (i = 0; i < 8; i++) {
         gSaveContext.save.inventory.dekuPlaygroundPlayerName[CURRENT_DAY - 1][i] =
diff --git a/src/code/z_game_over.c b/src/code/z_game_over.c
index 613517b62..946fb0faf 100644
--- a/src/code/z_game_over.c
+++ b/src/code/z_game_over.c
@@ -18,14 +18,14 @@ static s16 sGameOverTimer = 0;
 
 void GameOver_Update(PlayState* play) {
     GameOverContext* gameOverCtx = &play->gameOverCtx;
-    s16 i;
+    s16 timerId;
 
     switch (gameOverCtx->state) {
         case GAMEOVER_DEATH_START:
             func_801477B4(play);
 
-            for (i = 0; i < ARRAY_COUNT(gSaveContext.unk_3DD0); i++) {
-                gSaveContext.unk_3DD0[i] = 0;
+            for (timerId = 0; timerId < TIMER_ID_MAX; timerId++) {
+                gSaveContext.timerState[timerId] = TIMER_STATE_OFF;
             }
 
             gSaveContext.eventInf[1] &= ~1;
diff --git a/src/code/z_parameter.c b/src/code/z_parameter.c
index 7be34d362..7041c5d63 100644
--- a/src/code/z_parameter.c
+++ b/src/code/z_parameter.c
@@ -196,7 +196,7 @@ OSTime D_801BF930[] = {
 u8 D_801BF968 = false;
 u8 D_801BF96C = false;
 
-s16 D_801BF970 = 99;
+s16 sTimerId = TIMER_ID_NONE;
 s16 D_801BF974 = 0;
 s16 D_801BF978 = 10;
 s16 D_801BF97C = 255;
@@ -580,14 +580,14 @@ void Interface_InitVertices(PlayState* play) {
 }
 
 s32 D_801BFA84 = 0;
-void func_8010E968(s32 arg0) {
+void Interface_TimerCallback(s32 arg0) {
     s32 btnAPressed;
 
     func_80175E68(&D_801F5850[0], 0);
     btnAPressed = CHECK_BTN_ALL(D_801F5850[0].cur.button, BTN_A);
     if ((btnAPressed != D_801BFA84) && btnAPressed) {
-        gSaveContext.unk_3DC8 = osGetTime();
-        gSaveContext.unk_3DD0[0] = 15;
+        gSaveContext.timerOsTime = osGetTime();
+        gSaveContext.timerState[TIMER_ID_0] = TIMER_STATE_15;
     }
 
     D_801BFA84 = btnAPressed;
@@ -599,55 +599,55 @@ void func_8010E9F0(s16 timerId, s16 timeLimit) {
 
     D_801BF8E0 = 0;
 
-    gSaveContext.unk_3DE0[timerId] = timeLimit * 100;
-    gSaveContext.unk_3E18[timerId] = gSaveContext.unk_3DE0[timerId];
+    gSaveContext.eventTimer1Value[timerId] = timeLimit * 100;
+    gSaveContext.eventTimer2Value[timerId] = gSaveContext.eventTimer1Value[timerId];
 
-    if (gSaveContext.unk_3DE0[timerId] != 0) {
+    if (gSaveContext.eventTimer1Value[timerId] != 0) {
         gSaveContext.timersNoTimeLimit[timerId] = false;
     } else {
         gSaveContext.timersNoTimeLimit[timerId] = true;
     }
 
-    gSaveContext.unk_3DD0[timerId] = 1;
+    gSaveContext.timerState[timerId] = TIMER_STATE_1;
 }
 
 void func_8010EA9C(s16 timeLimit, s16 arg1) {
-    gSaveContext.timerX[0] = 115;
-    gSaveContext.timerY[0] = 80;
+    gSaveContext.timerX[TIMER_ID_0] = 115;
+    gSaveContext.timerY[TIMER_ID_0] = 80;
 
     D_801BF8E4 = arg1;
 
-    gSaveContext.unk_3DE0[0] = timeLimit * 100;
-    gSaveContext.unk_3E18[0] = gSaveContext.unk_3DE0[0];
+    gSaveContext.eventTimer1Value[TIMER_ID_0] = timeLimit * 100;
+    gSaveContext.eventTimer2Value[TIMER_ID_0] = gSaveContext.eventTimer1Value[TIMER_ID_0];
 
-    if (gSaveContext.unk_3DE0[0] != 0) {
-        gSaveContext.timersNoTimeLimit[0] = false;
+    if (gSaveContext.eventTimer1Value[TIMER_ID_0] != 0) {
+        gSaveContext.timersNoTimeLimit[TIMER_ID_0] = false;
     } else {
-        gSaveContext.timersNoTimeLimit[0] = true;
+        gSaveContext.timersNoTimeLimit[TIMER_ID_0] = true;
     }
-    gSaveContext.unk_3DD0[0] = 13;
+    gSaveContext.timerState[TIMER_ID_0] = TIMER_STATE_13;
 
-    gSaveContext.unk_3E88[0] = 0;
-    gSaveContext.unk_3EC0[0] = 0;
+    gSaveContext.funcTimer2Value[TIMER_ID_0] = 0;
+    gSaveContext.funcTimer3Value[TIMER_ID_0] = 0;
 }
 
 void func_8010EB50(s32 arg0) {
-    if (gSaveContext.unk_3DD0[6] != 0) {
+    if (gSaveContext.timerState[TIMER_ID_6] != TIMER_STATE_OFF) {
         // Goron race started
         if (gSaveContext.eventInf[1] & 1) {
-            gSaveContext.unk_3DE0[6] = 239;
+            gSaveContext.eventTimer1Value[TIMER_ID_6] = 239;
         } else {
-            gSaveContext.unk_3DE0[6] = 1;
+            gSaveContext.eventTimer1Value[TIMER_ID_6] = 1;
         }
     }
 }
 
 void func_8010EBA0(s16 timer, s16 timerId) {
-    gSaveContext.unk_101A[timerId] = 1;
-    gSaveContext.unk_1080[timerId] = timer * 100;
-    gSaveContext.unk_1050[timerId] = gSaveContext.unk_1080[timerId];
-    gSaveContext.unk_1020[timerId] = osGetTime();
-    gSaveContext.unk_10B0[timerId] = 0;
+    gSaveContext.bottleStatus[timerId] = 1;
+    gSaveContext.bottleTimer3Value[timerId] = timer * 100;
+    gSaveContext.bottleTimer2Value[timerId] = gSaveContext.bottleTimer3Value[timerId];
+    gSaveContext.bottleTimer1Value[timerId] = osGetTime();
+    gSaveContext.bottleTimer4Value[timerId] = 0;
     D_801BF8F0 = 0;
 }
 
@@ -655,7 +655,7 @@ s32 func_8010EC54(s16 timerId) {
     u64 time;
     s16 timerArr[6];
 
-    time = gSaveContext.unk_3DE0[timerId];
+    time = gSaveContext.eventTimer1Value[timerId];
 
     // hours
     timerArr[0] = time / 36000;
@@ -5238,175 +5238,175 @@ void Interface_DrawTimers(PlayState* play) {
             spD0 = osGetTime();
 
             for (j = 0; j < 7; j++) {
-                if (gSaveContext.unk_3DD0[j] == 4) {
-                    gSaveContext.unk_3EC0[j] += spD0 - D_801BF8E8;
+                if (gSaveContext.timerState[j] == TIMER_STATE_4) {
+                    gSaveContext.funcTimer3Value[j] += spD0 - D_801BF8E8;
                 }
             }
 
             D_801BF968 = false;
         }
 
-        D_801BF970 = 99;
+        sTimerId = TIMER_ID_NONE;
 
         for (i = 0; i < 7; i++) {
-            if (gSaveContext.unk_3DD0[i] != 0) {
-                D_801BF970 = i;
-                if (D_801BF970 == 0) {
-                    switch (gSaveContext.unk_3DD0[0]) {
-                        case 13:
-                            if (gSaveContext.timersNoTimeLimit[0]) {
-                                gSaveContext.unk_3E50[0] = osGetTime();
+            if (gSaveContext.timerState[i] != TIMER_STATE_OFF) {
+                sTimerId = i;
+                if (sTimerId == TIMER_ID_0) {
+                    switch (gSaveContext.timerState[TIMER_ID_0]) {
+                        case TIMER_STATE_13:
+                            if (gSaveContext.timerState[TIMER_ID_0]) {
+                                gSaveContext.funcTimer1Value[TIMER_ID_0] = osGetTime();
                             }
-                            gSaveContext.unk_3DD0[0] = 14;
+                            gSaveContext.timerState[TIMER_ID_0] = TIMER_STATE_14;
                             D_801BFA84 = 1;
-                            func_80174F7C(func_8010E968, NULL);
+                            func_80174F7C(Interface_TimerCallback, NULL);
                             break;
 
-                        case 15:
-                            spCC = gSaveContext.unk_3DC8;
-                            gSaveContext.unk_3DE0[0] =
-                                (spCC - ((void)0, gSaveContext.unk_3E50[0]) - ((void)0, gSaveContext.unk_3EC0[0])) *
+                        case TIMER_STATE_15:
+                            spCC = gSaveContext.timerOsTime;
+                            gSaveContext.eventTimer1Value[TIMER_ID_0] =
+                                (spCC - ((void)0, gSaveContext.funcTimer1Value[TIMER_ID_0]) -
+                                 ((void)0, gSaveContext.funcTimer3Value[TIMER_ID_0])) *
                                 64 / 3000 / 10000;
-                            gSaveContext.unk_3DD0[0] = 16;
+                            gSaveContext.timerState[TIMER_ID_0] = TIMER_STATE_16;
 
-                            func_80174F9C(func_8010E968, NULL);
+                            func_80174F9C(Interface_TimerCallback, NULL);
                             break;
 
-                        case 14:
-                        case 16:
+                        case TIMER_STATE_14:
+                        case TIMER_STATE_16:
                             break;
                     }
 
                     break;
                 } else {
-                    switch (gSaveContext.unk_3DD0[D_801BF970]) {
-                        case 1:
-                        case 9:
+                    switch (gSaveContext.timerState[sTimerId]) {
+                        case TIMER_STATE_1:
+                        case TIMER_STATE_9:
                             D_801BFCE4 = 20;
                             if (interfaceCtx->unk_280 != 0) {
-                                gSaveContext.timerX[D_801BF970] = 26;
+                                gSaveContext.timerX[sTimerId] = 26;
 
                                 if (interfaceCtx->magicAlpha != 255) {
-                                    gSaveContext.timerY[D_801BF970] = 22;
+                                    gSaveContext.timerY[sTimerId] = 22;
                                 } else if (gSaveContext.save.playerData.healthCapacity > 0xA0) {
-                                    gSaveContext.timerY[D_801BF970] = 54;
+                                    gSaveContext.timerY[sTimerId] = 54;
                                 } else {
-                                    gSaveContext.timerY[D_801BF970] = 46;
+                                    gSaveContext.timerY[sTimerId] = 46;
                                 }
 
                                 if ((interfaceCtx->unk_280 == 8) || (interfaceCtx->unk_280 == 30)) {
-                                    if (gSaveContext.unk_3DD0[D_801BF970] == 1) {
-                                        gSaveContext.unk_3DD0[D_801BF970] = 4;
+                                    if (gSaveContext.timerState[sTimerId] == TIMER_STATE_1) {
+                                        gSaveContext.timerState[sTimerId] = TIMER_STATE_4;
                                     } else {
-                                        gSaveContext.unk_3DD0[D_801BF970] = 11;
-                                        D_801BF8F8[D_801BF970] = osGetTime();
-                                        D_801BF930[D_801BF970] = 0;
+                                        gSaveContext.timerState[sTimerId] = TIMER_STATE_11;
+                                        D_801BF8F8[sTimerId] = osGetTime();
+                                        D_801BF930[sTimerId] = 0;
                                     }
 
-                                    gSaveContext.unk_3E50[D_801BF970] = osGetTime();
-                                    gSaveContext.unk_3E88[D_801BF970] = 0;
-                                    gSaveContext.unk_3EC0[D_801BF970] = 0;
+                                    gSaveContext.funcTimer1Value[sTimerId] = osGetTime();
+                                    gSaveContext.funcTimer2Value[sTimerId] = 0;
+                                    gSaveContext.funcTimer3Value[sTimerId] = 0;
                                 }
                             } else {
-                                gSaveContext.unk_3DD0[D_801BF970] = 2;
+                                gSaveContext.timerState[sTimerId] = TIMER_STATE_2;
                             }
                             break;
 
-                        case 2:
+                        case TIMER_STATE_2:
                             D_801BFCE4--;
                             if (D_801BFCE4 == 0) {
                                 D_801BFCE4 = 20;
-                                gSaveContext.unk_3DD0[D_801BF970] = 3;
+                                gSaveContext.timerState[sTimerId] = TIMER_STATE_3;
                             }
                             break;
 
-                        case 3:
-                            if (D_801BF970 == 3) {
+                        case TIMER_STATE_3:
+                            if (sTimerId == TIMER_ID_3) {
                                 // TODO: s16 casts
-                                timerTemp = ((((void)0, gSaveContext.timerX[D_801BF970]) - XREG(81)) / D_801BFCE4);
-                                gSaveContext.timerX[D_801BF970] -= timerTemp;
-                                timerTemp = ((((void)0, gSaveContext.timerY[D_801BF970]) - XREG(80)) / D_801BFCE4);
+                                timerTemp = ((((void)0, gSaveContext.timerX[sTimerId]) - XREG(81)) / D_801BFCE4);
+                                gSaveContext.timerX[sTimerId] -= timerTemp;
+                                timerTemp = ((((void)0, gSaveContext.timerY[sTimerId]) - XREG(80)) / D_801BFCE4);
                             dummy:; // TODO: Needed?
-                                gSaveContext.timerY[D_801BF970] -= timerTemp;
+                                gSaveContext.timerY[sTimerId] -= timerTemp;
                             } else {
-                                timerTemp = ((((void)0, gSaveContext.timerX[D_801BF970]) - 26) / D_801BFCE4);
-                                gSaveContext.timerX[D_801BF970] -= timerTemp;
+                                timerTemp = ((((void)0, gSaveContext.timerX[sTimerId]) - 26) / D_801BFCE4);
+                                gSaveContext.timerX[sTimerId] -= timerTemp;
 
                                 timerTemp = (gSaveContext.save.playerData.healthCapacity > 0xA0)
-                                                ? ((((void)0, gSaveContext.timerY[D_801BF970]) - 54) / D_801BFCE4)
-                                                : ((((void)0, gSaveContext.timerY[D_801BF970]) - 46) / D_801BFCE4);
-                                gSaveContext.timerY[D_801BF970] -= timerTemp;
+                                                ? ((((void)0, gSaveContext.timerY[sTimerId]) - 54) / D_801BFCE4)
+                                                : ((((void)0, gSaveContext.timerY[sTimerId]) - 46) / D_801BFCE4);
+                                gSaveContext.timerY[sTimerId] -= timerTemp;
                             }
 
                             D_801BFCE4--;
                             if (D_801BFCE4 == 0) {
                                 D_801BFCE4 = 20;
 
-                                if (D_801BF970 == 3) {
-                                    gSaveContext.timerY[D_801BF970] = XREG(80);
+                                if (sTimerId == TIMER_ID_3) {
+                                    gSaveContext.timerY[sTimerId] = XREG(80);
                                 } else {
-                                    gSaveContext.timerX[D_801BF970] = 26;
+                                    gSaveContext.timerX[sTimerId] = 26;
                                     if (gSaveContext.save.playerData.healthCapacity > 0xA0) {
-                                        gSaveContext.timerY[D_801BF970] = 54;
+                                        gSaveContext.timerY[sTimerId] = 54;
                                     } else {
-                                        gSaveContext.timerY[D_801BF970] = 46;
+                                        gSaveContext.timerY[sTimerId] = 46;
                                     }
                                 }
 
-                                gSaveContext.unk_3DD0[D_801BF970] = 4;
-                                gSaveContext.unk_3E50[D_801BF970] = osGetTime();
-                                gSaveContext.unk_3E88[D_801BF970] = 0;
-                                gSaveContext.unk_3EC0[D_801BF970] = 0;
+                                gSaveContext.timerState[sTimerId] = TIMER_STATE_4;
+                                gSaveContext.funcTimer1Value[sTimerId] = osGetTime();
+                                gSaveContext.funcTimer2Value[sTimerId] = 0;
+                                gSaveContext.funcTimer3Value[sTimerId] = 0;
                             }
                             // fallthrough
-
-                        case 4:
-                            if ((gSaveContext.unk_3DD0[D_801BF970] == 4) && (D_801BF970 == 3)) {
-                                gSaveContext.timerX[3] = XREG(81);
+                        case TIMER_STATE_4:
+                            if ((gSaveContext.timerState[sTimerId] == TIMER_STATE_4) && (sTimerId == TIMER_ID_3)) {
+                                gSaveContext.timerX[TIMER_ID_3] = XREG(81);
                                 if (1) {}
                                 if (1) {}
                                 if (1) {}
                                 if (1) {} // TODO: Needed?
-                                gSaveContext.timerY[3] = XREG(80);
+                                gSaveContext.timerY[TIMER_ID_3] = XREG(80);
                             }
                             break;
 
-                        case 10:
-                            D_801BF8F8[D_801BF970] = osGetTime();
-                            D_801BF930[D_801BF970] = 0;
-                            gSaveContext.unk_3DD0[D_801BF970] = 11;
+                        case TIMER_STATE_10:
+                            D_801BF8F8[sTimerId] = osGetTime();
+                            D_801BF930[sTimerId] = 0;
+                            gSaveContext.timerState[sTimerId] = TIMER_STATE_11;
                             // fallthrough
-
-                        case 11:
-                            D_801BF930[D_801BF970] = osGetTime() - D_801BF8F8[D_801BF970];
+                        case TIMER_STATE_11:
+                            D_801BF930[sTimerId] = osGetTime() - D_801BF8F8[sTimerId];
                             break;
 
-                        case 12:
+                        case TIMER_STATE_12:
                             spD0 = osGetTime();
-                            gSaveContext.unk_3EC0[D_801BF970] =
-                                gSaveContext.unk_3EC0[D_801BF970] + spD0 - D_801BF8F8[D_801BF970];
-                            D_801BF930[D_801BF970] = 0;
-                            gSaveContext.unk_3DD0[D_801BF970] = 4;
+                            gSaveContext.funcTimer3Value[sTimerId] =
+                                gSaveContext.funcTimer3Value[sTimerId] + spD0 - D_801BF8F8[sTimerId];
+                            D_801BF930[sTimerId] = 0;
+                            gSaveContext.timerState[sTimerId] = TIMER_STATE_4;
                             break;
 
-                        case 8:
-                            gSaveContext.unk_3DE0[D_801BF970] = (gSaveContext.save.playerData.health >> 1) * 100;
-                            gSaveContext.timersNoTimeLimit[D_801BF970] = false;
-                            gSaveContext.unk_3E18[D_801BF970] = gSaveContext.unk_3DE0[D_801BF970];
+                        case TIMER_STATE_8:
+                            gSaveContext.eventTimer1Value[sTimerId] = (gSaveContext.save.playerData.health >> 1) * 100;
+                            gSaveContext.timersNoTimeLimit[sTimerId] = false;
+                            gSaveContext.eventTimer2Value[sTimerId] = gSaveContext.eventTimer1Value[sTimerId];
                             D_801BFCE4 = 20;
-                            gSaveContext.unk_3DD0[D_801BF970] = 3;
+                            gSaveContext.timerState[sTimerId] = TIMER_STATE_3;
                             break;
 
-                        case 5:
+                        case TIMER_STATE_5:
                             spD0 = osGetTime();
 
-                            gSaveContext.unk_3E88[D_801BF970] = (spD0 - ((void)0, gSaveContext.unk_3E50[D_801BF970]) -
-                                                                 ((void)0, gSaveContext.unk_3EC0[D_801BF970])) *
-                                                                64 / 3000 / 10000;
+                            gSaveContext.funcTimer2Value[sTimerId] =
+                                (spD0 - ((void)0, gSaveContext.funcTimer1Value[sTimerId]) -
+                                 ((void)0, gSaveContext.funcTimer3Value[sTimerId])) *
+                                64 / 3000 / 10000;
 
-                            gSaveContext.unk_3DD0[D_801BF970] = 0;
+                            gSaveContext.timerState[sTimerId] = TIMER_STATE_OFF;
 
-                            if (D_801BF970 == 3) {
+                            if (sTimerId == TIMER_ID_3) {
                                 gSaveContext.save.day = 4;
                                 if ((play->sceneNum == SCENE_OKUJOU) && (gSaveContext.sceneSetupIndex == 3)) {
                                     play->nextEntranceIndex = 0x5410;
@@ -5415,40 +5415,41 @@ void Interface_DrawTimers(PlayState* play) {
                                 } else {
                                     func_8011C808(play);
                                 }
-                            } else if (gSaveContext.unk_3DD0[6] != 0) {
-                                gSaveContext.timerX[6] = 115;
-                                gSaveContext.timerY[6] = 80;
-                                if (gSaveContext.unk_3DD0[6] < 0xB) {
-                                    gSaveContext.unk_3DD0[6] = 3;
+                            } else if (gSaveContext.timerState[TIMER_ID_6] != TIMER_STATE_OFF) {
+                                gSaveContext.timerX[TIMER_ID_6] = 115;
+                                gSaveContext.timerY[TIMER_ID_6] = 80;
+                                if (gSaveContext.timerState[TIMER_ID_6] <= TIMER_STATE_10) {
+                                    gSaveContext.timerState[TIMER_ID_6] = TIMER_STATE_3;
                                 }
                             }
                             break;
 
-                        case 6:
+                        case TIMER_STATE_6:
                             spD0 = osGetTime();
 
-                            gSaveContext.unk_3E88[D_801BF970] = (spD0 - ((void)0, gSaveContext.unk_3E50[D_801BF970]) -
-                                                                 ((void)0, gSaveContext.unk_3EC0[D_801BF970])) *
-                                                                64 / 3000 / 10000;
+                            gSaveContext.funcTimer2Value[sTimerId] =
+                                (spD0 - ((void)0, gSaveContext.funcTimer1Value[sTimerId]) -
+                                 ((void)0, gSaveContext.funcTimer3Value[sTimerId])) *
+                                64 / 3000 / 10000;
 
                             if ((gSaveContext.minigameState == 1) && (gSaveContext.save.entranceIndex == 0x6400)) {
-                                if (gSaveContext.unk_3E88[D_801BF970] >= 12000) {
-                                    gSaveContext.unk_3E88[D_801BF970] = 12000;
-                                    gSaveContext.unk_3DE0[D_801BF970] = 12000;
+                                if (gSaveContext.funcTimer2Value[sTimerId] >= 12000) {
+                                    gSaveContext.funcTimer2Value[sTimerId] = 12000;
+                                    gSaveContext.eventTimer1Value[sTimerId] = 12000;
                                 }
                             } else if ((gSaveContext.eventInf[3] & 0x10) && (play->sceneNum == SCENE_DEKUTES) &&
-                                       (gSaveContext.unk_3E88[D_801BF970] >= 12000)) {
-                                gSaveContext.unk_3DE0[D_801BF970] = 12000;
+                                       (gSaveContext.funcTimer2Value[sTimerId] >= 12000)) {
+                                gSaveContext.eventTimer1Value[sTimerId] = 12000;
                             }
-                            gSaveContext.unk_3DD0[D_801BF970] = 7;
+                            gSaveContext.timerState[sTimerId] = TIMER_STATE_7;
 
-                            if (gSaveContext.unk_3DD0[6] != 0) {
-                                gSaveContext.timerX[6] = 115;
-                                gSaveContext.timerY[6] = 80;
-                                if (gSaveContext.unk_3DD0[6] < 11) {
-                                    gSaveContext.unk_3DD0[6] = 3;
+                            if (gSaveContext.timerState[TIMER_ID_6] != TIMER_STATE_OFF) {
+                                gSaveContext.timerX[TIMER_ID_6] = 115;
+                                gSaveContext.timerY[TIMER_ID_6] = 80;
+                                if (gSaveContext.timerState[TIMER_ID_6] <= TIMER_STATE_10) {
+                                    gSaveContext.timerState[TIMER_ID_6] = TIMER_STATE_3;
                                 }
-                                gSaveContext.unk_3DD0[D_801BF970] = 0;
+                                gSaveContext.timerState[sTimerId] = TIMER_STATE_OFF;
                             }
                             break;
                     }
@@ -5457,35 +5458,37 @@ void Interface_DrawTimers(PlayState* play) {
             }
         }
 
-        if ((D_801BF970 != 99) && gSaveContext.unk_3DD0[D_801BF970]) { // TODO: No != 0
-            if (!gSaveContext.timersNoTimeLimit[D_801BF970]) {
+        if ((sTimerId != TIMER_ID_NONE) && gSaveContext.timerState[sTimerId]) { // TODO: No != 0
+            if (!gSaveContext.timersNoTimeLimit[sTimerId]) {
                 D_801BFCE8[0] = D_801BFCE8[1] = D_801BFCE8[3] = D_801BFCE8[4] = D_801BFCE8[6] = 0;
                 D_801BFCE8[2] = D_801BFCE8[5] = 10;
-                if ((gSaveContext.unk_3DD0[D_801BF970] == 4) || (gSaveContext.unk_3DD0[D_801BF970] == 10) ||
-                    (gSaveContext.unk_3DD0[D_801BF970] == 11) || (gSaveContext.unk_3DD0[D_801BF970] == 14)) {
+                if ((gSaveContext.timerState[sTimerId] == TIMER_STATE_4) ||
+                    (gSaveContext.timerState[sTimerId] == TIMER_STATE_10) ||
+                    (gSaveContext.timerState[sTimerId] == TIMER_STATE_11) ||
+                    (gSaveContext.timerState[sTimerId] == TIMER_STATE_14)) {
                     spD0 = osGetTime();
-                    spD0 = (spD0 - ((void)0, gSaveContext.unk_3EC0[D_801BF970]) - D_801BF930[D_801BF970] -
-                            ((void)0, gSaveContext.unk_3E50[D_801BF970])) *
+                    spD0 = (spD0 - ((void)0, gSaveContext.funcTimer3Value[sTimerId]) - D_801BF930[sTimerId] -
+                            ((void)0, gSaveContext.funcTimer1Value[sTimerId])) *
                            64 / 3000 / 10000;
                 } else {
-                    if (gSaveContext.unk_3DD0[D_801BF970] == 7) {
-                        spD0 = gSaveContext.unk_3E88[D_801BF970];
+                    if (gSaveContext.timerState[sTimerId] == TIMER_STATE_7) {
+                        spD0 = gSaveContext.funcTimer2Value[sTimerId];
                     } else {
                         spD0 = 0;
                     }
                 }
 
                 if (spD0 == 0) {
-                    gSaveContext.unk_3DE0[D_801BF970] = gSaveContext.unk_3E18[D_801BF970] - spD0;
-                } else if (gSaveContext.unk_3E18[D_801BF970] >= spD0) {
-                    if (gSaveContext.unk_3E18[D_801BF970] <= spD0) {
-                        gSaveContext.unk_3DE0[D_801BF970] = 0;
+                    gSaveContext.eventTimer1Value[sTimerId] = gSaveContext.eventTimer2Value[sTimerId] - spD0;
+                } else if (gSaveContext.eventTimer2Value[sTimerId] >= spD0) {
+                    if (gSaveContext.eventTimer2Value[sTimerId] <= spD0) {
+                        gSaveContext.eventTimer1Value[sTimerId] = 0;
                     } else {
-                        gSaveContext.unk_3DE0[D_801BF970] = gSaveContext.unk_3E18[D_801BF970] - spD0;
+                        gSaveContext.eventTimer1Value[sTimerId] = gSaveContext.eventTimer2Value[sTimerId] - spD0;
                     }
                 } else {
-                    gSaveContext.unk_3DE0[D_801BF970] = 0;
-                    gSaveContext.unk_3DD0[D_801BF970] = 5;
+                    gSaveContext.eventTimer1Value[sTimerId] = 0;
+                    gSaveContext.timerState[sTimerId] = TIMER_STATE_5;
                     if (D_801BF8E0 != 0) {
                         gSaveContext.save.playerData.health = 0;
                         play->damagePlayer(play, -(((void)0, gSaveContext.save.playerData.health) + 2));
@@ -5493,14 +5496,14 @@ void Interface_DrawTimers(PlayState* play) {
                     D_801BF8E0 = 0;
                 }
 
-                func_8011C898(((void)0, gSaveContext.unk_3DE0[D_801BF970]), D_801BFCE8);
+                func_8011C898(((void)0, gSaveContext.eventTimer1Value[sTimerId]), D_801BFCE8);
 
-                if (gSaveContext.unk_3DE0[D_801BF970] > 6000) {
+                if (gSaveContext.eventTimer1Value[sTimerId] > 6000) {
                     if ((D_801BFCF8 != D_801BFCE8[4]) && (D_801BFCE8[4] == 1)) {
                         play_sound(NA_SE_SY_MESSAGE_WOMAN);
                         D_801BFCF8 = D_801BFCE8[4];
                     }
-                } else if (gSaveContext.unk_3DE0[D_801BF970] > 1000) {
+                } else if (gSaveContext.eventTimer1Value[sTimerId] > 1000) {
                     if ((D_801BFCF8 != D_801BFCE8[4]) && ((D_801BFCE8[4] % 2) != 0)) {
                         play_sound(NA_SE_SY_WARNING_COUNT_N);
                         D_801BFCF8 = D_801BFCE8[4];
@@ -5513,15 +5516,16 @@ void Interface_DrawTimers(PlayState* play) {
                 D_801BFCE8[0] = D_801BFCE8[1] = D_801BFCE8[3] = D_801BFCE8[4] = D_801BFCE8[6] = 0;
                 D_801BFCE8[2] = D_801BFCE8[5] = 10;
 
-                if ((gSaveContext.unk_3DD0[D_801BF970] == 4) || (gSaveContext.unk_3DD0[D_801BF970] == 14)) {
+                if ((gSaveContext.timerState[sTimerId] == TIMER_STATE_4) ||
+                    (gSaveContext.timerState[sTimerId] == TIMER_STATE_14)) {
                     spD0 = osGetTime();
-                    spD0 = (spD0 - ((void)0, gSaveContext.unk_3E50[D_801BF970]) -
-                            ((void)0, gSaveContext.unk_3EC0[D_801BF970]) - D_801BF930[D_801BF970]) *
+                    spD0 = (spD0 - ((void)0, gSaveContext.funcTimer1Value[sTimerId]) -
+                            ((void)0, gSaveContext.funcTimer3Value[sTimerId]) - D_801BF930[sTimerId]) *
                            64 / 3000 / 10000;
-                } else if (gSaveContext.unk_3DD0[D_801BF970] == 7) {
-                    spD0 = gSaveContext.unk_3E88[D_801BF970];
-                } else if (D_801BF970 == 0) {
-                    spD0 = gSaveContext.unk_3DE0[D_801BF970];
+                } else if (gSaveContext.timerState[sTimerId] == TIMER_STATE_7) {
+                    spD0 = gSaveContext.funcTimer2Value[sTimerId];
+                } else if (sTimerId == TIMER_ID_0) {
+                    spD0 = gSaveContext.eventTimer1Value[sTimerId];
                 } else {
                     spD0 = 0;
                 }
@@ -5534,16 +5538,16 @@ void Interface_DrawTimers(PlayState* play) {
                     spD0 = 12000;
                 }
 
-                gSaveContext.unk_3DE0[D_801BF970] = spD0;
+                gSaveContext.eventTimer1Value[sTimerId] = spD0;
                 func_8011C898(spD0, D_801BFCE8);
 
                 if ((gSaveContext.minigameState == 1) && (gSaveContext.save.entranceIndex == 0x6400)) {
-                    if ((gSaveContext.unk_3DE0[D_801BF970] > 11000) && (D_801BFCF8 != D_801BFCE8[4])) {
+                    if ((gSaveContext.eventTimer1Value[sTimerId] > 11000) && (D_801BFCF8 != D_801BFCE8[4])) {
                         play_sound(NA_SE_SY_WARNING_COUNT_E);
                         D_801BFCF8 = D_801BFCE8[4];
                     }
                 } else if ((gSaveContext.eventInf[3] & 0x10) && (play->sceneNum == SCENE_DEKUTES)) {
-                    if ((((void)0, gSaveContext.unk_3DE0[D_801BF970]) >
+                    if ((((void)0, gSaveContext.eventTimer1Value[sTimerId]) >
                          (gSaveContext.save.dekuPlaygroundHighScores[CURRENT_DAY - 1] - 900)) &&
                         (D_801BFCF8 != D_801BFCE8[4])) {
                         play_sound(NA_SE_SY_WARNING_COUNT_E);
@@ -5556,69 +5560,70 @@ void Interface_DrawTimers(PlayState* play) {
             gDPSetPrimColor(OVERLAY_DISP++, 0, 0, 255, 255, 255, 255);
             gDPSetEnvColor(OVERLAY_DISP++, 0, 0, 0, 0);
             OVERLAY_DISP =
-                Gfx_TextureIA8(OVERLAY_DISP, gTimerClockIconTex, 0x10, 0x10, ((void)0, gSaveContext.timerX[D_801BF970]),
-                               ((void)0, gSaveContext.timerY[D_801BF970]) + 2, 0x10, 0x10, 1 << 10, 1 << 10);
+                Gfx_TextureIA8(OVERLAY_DISP, gTimerClockIconTex, 0x10, 0x10, ((void)0, gSaveContext.timerX[sTimerId]),
+                               ((void)0, gSaveContext.timerY[sTimerId]) + 2, 0x10, 0x10, 1 << 10, 1 << 10);
             gDPPipeSync(OVERLAY_DISP++);
             gDPSetCombineLERP(OVERLAY_DISP++, 0, 0, 0, PRIMITIVE, TEXEL0, 0, PRIMITIVE, 0, 0, 0, 0, PRIMITIVE, TEXEL0,
                               0, PRIMITIVE, 0);
 
-            if (((D_801BF970 == 0) && (gSaveContext.unk_3DD0[0] == 14) && (D_801BF8E4 == 0) &&
-                 (gSaveContext.unk_3DE0[0] < 300)) ||
-                (D_801BF8E4 == 2) || (gSaveContext.unk_3DD0[D_801BF970] < 13)) {
-                if (gSaveContext.unk_3DD0[D_801BF970]) { // TODO: No != 0
-                    if (D_801BF970 == 2) {
-                        if ((gSaveContext.unk_3DE0[D_801BF970] == 0) || (gSaveContext.unk_3DD0[D_801BF970] == 4)) {
+            if (((sTimerId == TIMER_ID_0) && (gSaveContext.timerState[TIMER_ID_0] == TIMER_STATE_14) &&
+                 (D_801BF8E4 == 0) && (gSaveContext.eventTimer1Value[TIMER_ID_0] < 300)) ||
+                (D_801BF8E4 == 2) || (gSaveContext.timerState[sTimerId] <= TIMER_STATE_12)) {
+                if (gSaveContext.timerState[sTimerId]) { // TODO: No != 0
+                    if (sTimerId == TIMER_ID_2) {
+                        if ((gSaveContext.eventTimer1Value[sTimerId] == 0) ||
+                            (gSaveContext.timerState[sTimerId] == TIMER_STATE_4)) {
                             gDPSetPrimColor(OVERLAY_DISP++, 0, 0, 255, 50, 0, 255);
                         } else {
                             gDPSetPrimColor(OVERLAY_DISP++, 0, 0, 255, 255, 255, 255);
                         }
                     } else if ((gSaveContext.minigameState == 1) && (gSaveContext.save.entranceIndex == 0x6400)) {
-                        if (gSaveContext.unk_3DE0[D_801BF970] >= 11000) {
+                        if (gSaveContext.eventTimer1Value[sTimerId] >= 11000) {
                             gDPSetPrimColor(OVERLAY_DISP++, 0, 0, 255, 50, 0, 255);
                         } else {
                             gDPSetPrimColor(OVERLAY_DISP++, 0, 0, 255, 255, 255, 255);
                         }
                     } else if ((gSaveContext.eventInf[3] & 0x10) && (play->sceneNum == SCENE_DEKUTES)) {
-                        if (((void)0, gSaveContext.unk_3DE0[D_801BF970]) >=
+                        if (((void)0, gSaveContext.eventTimer1Value[sTimerId]) >=
                             gSaveContext.save.dekuPlaygroundHighScores[CURRENT_DAY - 1]) {
                             gDPSetPrimColor(OVERLAY_DISP++, 0, 0, 255, 50, 0, 255);
-                        } else if (((void)0, gSaveContext.unk_3DE0[D_801BF970]) >=
+                        } else if (((void)0, gSaveContext.eventTimer1Value[sTimerId]) >=
                                    (gSaveContext.save.dekuPlaygroundHighScores[CURRENT_DAY - 1] - 900)) {
                             gDPSetPrimColor(OVERLAY_DISP++, 0, 0, 255, 255, 0, 255);
                         } else {
                             gDPSetPrimColor(OVERLAY_DISP++, 0, 0, 255, 255, 255, 255);
                         }
-                    } else if ((gSaveContext.unk_3DE0[D_801BF970] < 1000) &&
-                               !gSaveContext.timersNoTimeLimit[D_801BF970] &&
-                               (gSaveContext.unk_3DD0[D_801BF970] != 11)) {
+                    } else if ((gSaveContext.eventTimer1Value[sTimerId] < 1000) &&
+                               !gSaveContext.timersNoTimeLimit[sTimerId] &&
+                               (gSaveContext.timerState[sTimerId] != TIMER_STATE_11)) {
                         gDPSetPrimColor(OVERLAY_DISP++, 0, 0, 255, 50, 0, 255);
                     } else {
                         gDPSetPrimColor(OVERLAY_DISP++, 0, 0, 255, 255, 255, 255);
                     }
                 }
 
-                if (D_801BF970 == 0) {
+                if (sTimerId == TIMER_ID_0) {
                     if (D_801BF8E4 == 2) {
                         for (j = 0; j < 4; j++) {
                             OVERLAY_DISP = Gfx_TextureI8(
                                 OVERLAY_DISP, ((u8*)gCounterDigit0Tex + (8 * 16 * D_801BFCE8[j + 3])), 8, 0x10,
-                                ((void)0, gSaveContext.timerX[D_801BF970]) + D_801BFCFC[j],
-                                ((void)0, gSaveContext.timerY[D_801BF970]), D_801BFD0C[j], 0xFA, 0x370, 0x370);
+                                ((void)0, gSaveContext.timerX[sTimerId]) + D_801BFCFC[j],
+                                ((void)0, gSaveContext.timerY[sTimerId]), D_801BFD0C[j], 0xFA, 0x370, 0x370);
                         }
                     } else {
                         for (j = 0; j < 5; j++) {
                             OVERLAY_DISP = Gfx_TextureI8(
                                 OVERLAY_DISP, ((u8*)gCounterDigit0Tex + (8 * 16 * D_801BFCE8[j + 3])), 8, 0x10,
-                                ((void)0, gSaveContext.timerX[D_801BF970]) + D_801BFCFC[j],
-                                ((void)0, gSaveContext.timerY[D_801BF970]), D_801BFD0C[j], 0xFA, 0x370, 0x370);
+                                ((void)0, gSaveContext.timerX[sTimerId]) + D_801BFCFC[j],
+                                ((void)0, gSaveContext.timerY[sTimerId]), D_801BFD0C[j], 0xFA, 0x370, 0x370);
                         }
                     }
                 } else {
                     for (j = 0; j < 8; j++) {
-                        OVERLAY_DISP = Gfx_TextureI8(
-                            OVERLAY_DISP, ((u8*)gCounterDigit0Tex + (8 * 16 * D_801BFCE8[j])), 8, 0x10,
-                            ((void)0, gSaveContext.timerX[D_801BF970]) + D_801BFCFC[j],
-                            ((void)0, gSaveContext.timerY[D_801BF970]), D_801BFD0C[j], 0xFA, 0x370, 0x370);
+                        OVERLAY_DISP =
+                            Gfx_TextureI8(OVERLAY_DISP, ((u8*)gCounterDigit0Tex + (8 * 16 * D_801BFCE8[j])), 8, 0x10,
+                                          ((void)0, gSaveContext.timerX[sTimerId]) + D_801BFCFC[j],
+                                          ((void)0, gSaveContext.timerY[sTimerId]), D_801BFD0C[j], 0xFA, 0x370, 0x370);
                     }
                 }
             }
@@ -5663,38 +5668,40 @@ void Interface_UpdateTimers(PlayState* play) {
             var3 = osGetTime();
 
             for (j = BOTTLE_FIRST; j < BOTTLE_MAX; j++) {
-                if (gSaveContext.unk_101A[j] == 1) {
-                    gSaveContext.unk_10B0[j] += var3 - D_801BF8F0;
+                if (gSaveContext.bottleStatus[j] == 1) {
+                    gSaveContext.bottleTimer4Value[j] += var3 - D_801BF8F0;
                 }
             }
 
             D_801BF96C = false;
         }
 
-        D_801BF970 = 99;
+        sTimerId = TIMER_ID_NONE;
 
         for (i = BOTTLE_FIRST; i < BOTTLE_MAX; i++) {
-            if (gSaveContext.unk_101A[i] == 1) {
+            if (gSaveContext.bottleStatus[i] == 1) {
                 var3 = osGetTime();
-                var3 = (((var3 - ((void)0, gSaveContext.unk_10B0[i]) - ((void)0, gSaveContext.unk_1020[i])) / 10000) *
+                var3 = (((var3 - ((void)0, gSaveContext.bottleTimer4Value[i]) -
+                          ((void)0, gSaveContext.bottleTimer1Value[i])) /
+                         10000) *
                         64) /
                        3000;
                 if (var3 == 0) {
-                    gSaveContext.unk_1080[i] = gSaveContext.unk_1050[i] - var3;
-                } else if (gSaveContext.unk_1050[i] >= var3) {
-                    if (gSaveContext.unk_1050[i] <= var3) {
-                        gSaveContext.unk_1080[i] = 0;
+                    gSaveContext.bottleTimer3Value[i] = gSaveContext.bottleTimer2Value[i] - var3;
+                } else if (gSaveContext.bottleTimer2Value[i] >= var3) {
+                    if (gSaveContext.bottleTimer2Value[i] <= var3) {
+                        gSaveContext.bottleTimer3Value[i] = 0;
                     } else {
-                        gSaveContext.unk_1080[i] = gSaveContext.unk_1050[i] - var3;
+                        gSaveContext.bottleTimer3Value[i] = gSaveContext.bottleTimer2Value[i] - var3;
                     }
                 } else {
-                    gSaveContext.unk_1080[i] = 0;
+                    gSaveContext.bottleTimer3Value[i] = 0;
 
                     if (gSaveContext.save.inventory.items[i + SLOT_BOTTLE_1] == ITEM_HOT_SPRING_WATER) {
                         Inventory_UpdateItem(play, i + SLOT_BOTTLE_1, ITEM_SPRING_WATER);
                         Message_StartTextbox(play, 0xFA, NULL);
                     }
-                    gSaveContext.unk_101A[i] = 0;
+                    gSaveContext.bottleStatus[i] = 0;
                 }
             }
         }
@@ -6605,23 +6612,23 @@ void Interface_Update(PlayState* play) {
         Magic_UpdateAddRequest();
     }
 
-    if (gSaveContext.unk_3DD0[5] == 0) {
+    if (gSaveContext.timerState[TIMER_ID_5] == TIMER_STATE_OFF) {
         if ((D_801BF8DC == 1) || (D_801BF8DC == 4)) {
             if (CUR_FORM != PLAYER_FORM_ZORA) {
                 if (play->gameOverCtx.state == 0) {
                     if ((gSaveContext.save.playerData.health >> 1) != 0) {
-                        gSaveContext.unk_3DD0[5] = 8;
-                        gSaveContext.timerX[5] = 115;
-                        gSaveContext.timerY[5] = 80;
+                        gSaveContext.timerState[TIMER_ID_5] = TIMER_STATE_8;
+                        gSaveContext.timerX[TIMER_ID_5] = 115;
+                        gSaveContext.timerY[TIMER_ID_5] = 80;
                         D_801BF8E0 = 1;
-                        gSaveContext.timersNoTimeLimit[5] = false;
+                        gSaveContext.timersNoTimeLimit[TIMER_ID_5] = false;
                     }
                 }
             }
         }
     } else {
-        if (((D_801BF8DC == 0) || (D_801BF8DC == 3)) && (gSaveContext.unk_3DD0[5] < 5)) {
-            gSaveContext.unk_3DD0[5] = 0;
+        if (((D_801BF8DC == 0) || (D_801BF8DC == 3)) && (gSaveContext.timerState[TIMER_ID_5] <= TIMER_STATE_4)) {
+            gSaveContext.timerState[TIMER_ID_5] = TIMER_STATE_OFF;
         }
     }
 
@@ -6733,12 +6740,11 @@ void Interface_Update(PlayState* play) {
     }
 }
 
-void func_80121F94(void) {
+void Interface_Destroy(void) {
     Map_Destroy();
-    func_80174F9C(func_8010E968, NULL);
+    func_80174F9C(Interface_TimerCallback, NULL);
 }
 
-// OoT func_801109B0 (from z_construct.c)
 void Interface_Init(PlayState* play) {
     s32 pad;
     InterfaceContext* interfaceCtx = &play->interfaceCtx;
@@ -6787,11 +6793,13 @@ void Interface_Init(PlayState* play) {
         Interface_LoadItemIconImpl(play, EQUIP_SLOT_C_RIGHT);
     }
 
-    if (((gSaveContext.unk_3DD0[4] == 4) || (gSaveContext.unk_3DD0[6] == 4)) &&
-        ((gSaveContext.respawnFlag == -1) || (gSaveContext.respawnFlag == 1)) && (gSaveContext.unk_3DD0[4] == 4)) {
-        gSaveContext.unk_3DD0[4] = 1;
-        gSaveContext.timerX[4] = 115;
-        gSaveContext.timerY[4] = 80;
+    if (((gSaveContext.timerState[TIMER_ID_4] == TIMER_STATE_4) ||
+         (gSaveContext.timerState[TIMER_ID_6] == TIMER_STATE_4)) &&
+        ((gSaveContext.respawnFlag == -1) || (gSaveContext.respawnFlag == 1)) &&
+        (gSaveContext.timerState[TIMER_ID_4] == TIMER_STATE_4)) {
+        gSaveContext.timerState[TIMER_ID_4] = TIMER_STATE_1;
+        gSaveContext.timerX[TIMER_ID_4] = 115;
+        gSaveContext.timerY[TIMER_ID_4] = 80;
     }
 
     LifeMeter_Init(play);
@@ -6804,19 +6812,19 @@ void Interface_Init(PlayState* play) {
 
     if (gSaveContext.eventInf[3] & 0x10) {
         gSaveContext.eventInf[3] &= (u8)~0x10;
-        gSaveContext.unk_3DD0[4] = 0;
+        gSaveContext.timerState[TIMER_ID_4] = TIMER_STATE_OFF;
     }
 
-    gSaveContext.unk_3DD0[1] = 0;
-    gSaveContext.unk_3DE0[1] = 0;
-    gSaveContext.unk_3E18[1] = 0;
-    gSaveContext.unk_3E50[1] = 0;
-    gSaveContext.unk_3E88[1] = 0;
-    gSaveContext.unk_3EC0[1] = 0;
+    gSaveContext.timerState[TIMER_ID_1] = TIMER_STATE_OFF;
+    gSaveContext.eventTimer1Value[TIMER_ID_1] = 0;
+    gSaveContext.eventTimer2Value[TIMER_ID_1] = 0;
+    gSaveContext.funcTimer1Value[TIMER_ID_1] = 0;
+    gSaveContext.funcTimer2Value[TIMER_ID_1] = 0;
+    gSaveContext.funcTimer3Value[TIMER_ID_1] = 0;
 
     for (i = 0; i < 7; i++) {
-        if (gSaveContext.unk_3DD0[i] == 7) {
-            gSaveContext.unk_3DD0[i] = 0;
+        if (gSaveContext.timerState[i] == TIMER_STATE_7) {
+            gSaveContext.timerState[i] = TIMER_STATE_OFF;
         }
     }
 
diff --git a/src/code/z_sram_NES.c b/src/code/z_sram_NES.c
index da7d9248d..dfe5b2bd5 100644
--- a/src/code/z_sram_NES.c
+++ b/src/code/z_sram_NES.c
@@ -873,13 +873,13 @@ void func_80144A94(SramContext* sramCtx) {
         gSaveContext.cycleSceneFlags[i].collectible = gSaveContext.save.permanentSceneFlags[i].collectible;
     }
 
-    for (i = 0; i < ARRAY_COUNT(gSaveContext.unk_3DD0); i++) {
-        gSaveContext.unk_3DD0[i] = 0;
-        gSaveContext.unk_3DE0[i] = 0;
-        gSaveContext.unk_3E18[i] = 0;
-        gSaveContext.unk_3E50[i] = 0;
-        gSaveContext.unk_3E88[i] = 0;
-        gSaveContext.unk_3EC0[i] = 0;
+    for (i = 0; i < ARRAY_COUNT(gSaveContext.timerState); i++) {
+        gSaveContext.timerState[i] = TIMER_STATE_OFF;
+        gSaveContext.eventTimer1Value[i] = 0;
+        gSaveContext.eventTimer2Value[i] = 0;
+        gSaveContext.funcTimer1Value[i] = 0;
+        gSaveContext.funcTimer2Value[i] = 0;
+        gSaveContext.funcTimer3Value[i] = 0;
     }
 
     D_801BDAA0 = 1;
@@ -944,13 +944,13 @@ void Sram_OpenSave(FileChooseContext* fileChooseCtx, SramContext* sramCtx) {
             gSaveContext.cycleSceneFlags[i].collectible = gSaveContext.save.permanentSceneFlags[i].collectible;
         }
 
-        for (i = 0; i < ARRAY_COUNT(gSaveContext.unk_3DD0); i++) {
-            gSaveContext.unk_3DD0[i] = 0;
-            gSaveContext.unk_3DE0[i] = 0;
-            gSaveContext.unk_3E18[i] = 0;
-            gSaveContext.unk_3E50[i] = 0;
-            gSaveContext.unk_3E88[i] = 0;
-            gSaveContext.unk_3EC0[i] = 0;
+        for (i = 0; i < ARRAY_COUNT(gSaveContext.timerState); i++) {
+            gSaveContext.timerState[i] = TIMER_STATE_OFF;
+            gSaveContext.eventTimer1Value[i] = 0;
+            gSaveContext.eventTimer2Value[i] = 0;
+            gSaveContext.funcTimer1Value[i] = 0;
+            gSaveContext.funcTimer2Value[i] = 0;
+            gSaveContext.funcTimer3Value[i] = 0;
         }
 
         if (gSaveContext.save.isFirstCycle) {
diff --git a/src/overlays/actors/ovl_Dm_Stk/z_dm_stk.c b/src/overlays/actors/ovl_Dm_Stk/z_dm_stk.c
index 0c3f69c51..88439c993 100644
--- a/src/overlays/actors/ovl_Dm_Stk/z_dm_stk.c
+++ b/src/overlays/actors/ovl_Dm_Stk/z_dm_stk.c
@@ -1046,9 +1046,9 @@ void DmStk_Init(Actor* thisx, PlayState* play) {
 
             if (gSaveContext.save.entranceIndex == 0x2C00) {
                 if (gSaveContext.sceneSetupIndex == 0) {
-                    if (gSaveContext.unk_3DD0[3] == 0) {
+                    if (gSaveContext.timerState[TIMER_ID_3] == TIMER_STATE_OFF) {
                         // Starts a 5 minute (300 second) timer until the moon falls.
-                        func_8010E9F0(3, 300);
+                        func_8010E9F0(TIMER_ID_3, 300);
                         XREG(80) = 200;
                         XREG(81) = 115;
                     }
@@ -1063,10 +1063,10 @@ void DmStk_Init(Actor* thisx, PlayState* play) {
 
                 } else if (gSaveContext.sceneSetupIndex == 3) {
                     this->animationId = SK_ANIMATION_FLOATING_ARMS_CROSSED;
-                    if (gSaveContext.unk_3DD0[3] == 0) {
+                    if (gSaveContext.timerState[TIMER_ID_3] == TIMER_STATE_OFF) {
                         // This code is called when the Giants fail to stop the moon.
                         // Starts a 1 minute (60 second) timer until the moon falls.
-                        func_8010E9F0(3, 60);
+                        func_8010E9F0(TIMER_ID_3, 60);
                         XREG(80) = 200;
                         XREG(81) = 115;
                     }
diff --git a/src/overlays/actors/ovl_En_Dno/z_en_dno.c b/src/overlays/actors/ovl_En_Dno/z_en_dno.c
index e2e8e4145..cbe44d834 100644
--- a/src/overlays/actors/ovl_En_Dno/z_en_dno.c
+++ b/src/overlays/actors/ovl_En_Dno/z_en_dno.c
@@ -216,7 +216,7 @@ void EnDno_Init(Actor* thisx, PlayState* play) {
                     } else {
                         SubS_ChangeAnimationBySpeedInfo(&this->skelAnime, sAnimations, 14, &this->unk_32C);
                         thisx->room = -1;
-                        gSaveContext.unk_3DD0[1] = 5;
+                        gSaveContext.timerState[TIMER_ID_1] = TIMER_STATE_5;
                         this->lightNode = LightContext_InsertLight(play, &play->lightCtx, &this->lightInfo);
                         this->unk_3B0 |= 1;
                         this->actionFunc = func_80A72438;
@@ -817,7 +817,7 @@ void func_80A73244(EnDno* this, PlayState* play) {
     this->unk_328 = 2;
     this->actor.speedXZ = 0.0f;
     Flags_UnsetSwitch(play, ENDNO_GET_3F80(&this->actor));
-    gSaveContext.unk_3DD0[1] = 5;
+    gSaveContext.timerState[TIMER_ID_1] = TIMER_STATE_5;
     this->unk_44E = 0;
     this->actionFunc = func_80A732C8;
 }
diff --git a/src/overlays/actors/ovl_En_Fu/z_en_fu.c b/src/overlays/actors/ovl_En_Fu/z_en_fu.c
index a6d5b8ab6..04e498715 100644
--- a/src/overlays/actors/ovl_En_Fu/z_en_fu.c
+++ b/src/overlays/actors/ovl_En_Fu/z_en_fu.c
@@ -401,7 +401,7 @@ void func_80962340(EnFu* this, PlayState* play) {
                     Message_StartTextbox(play, 0x287E, &this->actor);
                     this->unk_552 = 0x287E;
                 }
-            } else if ((gSaveContext.unk_3DE0[4] == 0) && (this->unk_552 != 0x2888)) {
+            } else if ((gSaveContext.eventTimer1Value[TIMER_ID_4] == 0) && (this->unk_552 != 0x2888)) {
                 Message_StartTextbox(play, 0x2886, &this->actor);
                 this->unk_552 = 0x2886;
             } else {
@@ -644,7 +644,7 @@ void func_80962A10(EnFu* this, PlayState* play) {
 
     play_sound(NA_SE_SY_FOUND);
     player->stateFlags1 &= ~0x20;
-    func_8010E9F0(4, 60);
+    func_8010E9F0(TIMER_ID_4, 60);
     if (this->unk_546 == 1) {
         func_809616E0(this, play);
     } else {
@@ -682,7 +682,7 @@ void func_80962BCC(EnFu* this, PlayState* play) {
     play_sound(NA_SE_SY_FOUND);
     player->stateFlags1 &= ~0x20;
     player->stateFlags3 |= 0x400000;
-    func_8010E9F0(4, 60);
+    func_8010E9F0(TIMER_ID_4, 60);
 
     if (this->unk_546 == 1) {
         func_809616E0(this, play);
@@ -713,7 +713,7 @@ void func_80962D60(EnFu* this, PlayState* play) {
     play_sound(NA_SE_SY_FOUND);
     player->stateFlags1 &= ~0x20;
     player->stateFlags3 |= 0x400000;
-    func_8010E9F0(4, 60);
+    func_8010E9F0(TIMER_ID_4, 60);
 
     if (this->unk_546 == 1) {
         func_809616E0(this, play);
@@ -761,11 +761,11 @@ void func_80962F4C(EnFu* this, PlayState* play) {
             break;
     }
 
-    if (gSaveContext.unk_3DE0[4] < 2000) {
+    if (gSaveContext.eventTimer1Value[TIMER_ID_4] < 2000) {
         s16 val = D_80964B00[this->unk_542] + 200;
 
         Math_SmoothStepToS(&fuKaiten->rotationSpeed, val, 10, 5, 5);
-    } else if (gSaveContext.unk_3DE0[4] < 4000) {
+    } else if (gSaveContext.eventTimer1Value[TIMER_ID_4] < 4000) {
         s16 val = D_80964B00[this->unk_542] + 100;
 
         Math_SmoothStepToS(&fuKaiten->rotationSpeed, val, 10, 5, 5);
@@ -777,12 +777,12 @@ void func_80962F4C(EnFu* this, PlayState* play) {
 
     if ((!DynaPolyActor_IsInRidingRotatingState((DynaPolyActor*)this->actor.child) &&
          (player->actor.bgCheckFlags & 1)) ||
-        (gSaveContext.unk_3DE0[4] < 1) || (this->unk_548 == this->unk_54C)) {
+        (gSaveContext.eventTimer1Value[TIMER_ID_4] < 1) || (this->unk_548 == this->unk_54C)) {
         player->stateFlags3 &= ~0x400000;
         func_80961E88(play);
         player->stateFlags1 |= 0x20;
         if (this->unk_548 < this->unk_54C) {
-            if (gSaveContext.unk_3DE0[4] == 0) {
+            if (gSaveContext.eventTimer1Value[TIMER_ID_4] == 0) {
                 Message_StartTextbox(play, 0x2885, &this->actor);
                 this->unk_552 = 0x2885;
             } else {
@@ -790,15 +790,15 @@ void func_80962F4C(EnFu* this, PlayState* play) {
                 this->unk_552 = 0x2888;
             }
             func_801A2C20();
-            gSaveContext.unk_3DE0[4] = 0;
-            gSaveContext.unk_3DD0[4] = 5;
+            gSaveContext.eventTimer1Value[TIMER_ID_4] = 0;
+            gSaveContext.timerState[TIMER_ID_4] = TIMER_STATE_5;
             this->unk_548 = 0;
             func_809632D0(this);
         } else {
             this->unk_548 = 0;
             func_801A2C20();
-            gSaveContext.unk_3DE0[4] = 0;
-            gSaveContext.unk_3DD0[4] = 5;
+            gSaveContext.eventTimer1Value[TIMER_ID_4] = 0;
+            gSaveContext.timerState[TIMER_ID_4] = TIMER_STATE_5;
             func_801A3098(NA_BGM_GET_ITEM | 0x900);
             Interface_SetPerfectMinigame(play, 1);
             this->unk_54A = 3;
diff --git a/src/overlays/actors/ovl_En_Gb2/z_en_gb2.c b/src/overlays/actors/ovl_En_Gb2/z_en_gb2.c
index 92b727838..12104c324 100644
--- a/src/overlays/actors/ovl_En_Gb2/z_en_gb2.c
+++ b/src/overlays/actors/ovl_En_Gb2/z_en_gb2.c
@@ -459,7 +459,7 @@ void func_80B10240(EnGb2* this, PlayState* play) {
                            D_80B119B0[this->unk_280].unk_04.y, D_80B119B0[this->unk_280].unk_04.z, 0, 0, 0,
                            this->unk_27E);
         if (this->unk_280 == 0) {
-            func_8010E9F0(1, 180);
+            func_8010E9F0(TIMER_ID_1, 180);
         }
         this->actionFunc = func_80B10344;
     } else {
@@ -487,7 +487,7 @@ void func_80B10344(EnGb2* this, PlayState* play) {
     if (this->unk_26C & 0x200) {
         if (this->unk_280 == 3) {
             this->unk_26C &= ~0x200;
-            gSaveContext.unk_3DD0[1] = 5;
+            gSaveContext.timerState[TIMER_ID_1] = TIMER_STATE_5;
             func_800FE498();
             gSaveContext.eventInf[4] |= 0x40;
             func_80B0FE7C(play);
@@ -506,7 +506,7 @@ void func_80B10344(EnGb2* this, PlayState* play) {
     }
 
     if (gSaveContext.save.playerData.health < 49) {
-        gSaveContext.unk_3DD0[1] = 5;
+        gSaveContext.timerState[TIMER_ID_1] = TIMER_STATE_5;
         gSaveContext.eventInf[4] |= 0x40;
         gSaveContext.eventInf[4] |= 0x20;
 
@@ -519,8 +519,8 @@ void func_80B10344(EnGb2* this, PlayState* play) {
         }
 
         func_80B0FE7C(play);
-    } else if (gSaveContext.unk_3DE0[1] == 0) {
-        gSaveContext.unk_3DD0[1] = 5;
+    } else if (gSaveContext.eventTimer1Value[TIMER_ID_1] == 0) {
+        gSaveContext.timerState[TIMER_ID_1] = TIMER_STATE_5;
         gSaveContext.eventInf[4] |= 0x40;
         gSaveContext.eventInf[4] |= 0x10;
 
diff --git a/src/overlays/actors/ovl_En_Horse_Game_Check/z_en_horse_game_check.c b/src/overlays/actors/ovl_En_Horse_Game_Check/z_en_horse_game_check.c
index 90c67839c..1cd96bd32 100644
--- a/src/overlays/actors/ovl_En_Horse_Game_Check/z_en_horse_game_check.c
+++ b/src/overlays/actors/ovl_En_Horse_Game_Check/z_en_horse_game_check.c
@@ -121,7 +121,7 @@ s32 func_808F8CCC(EnHorseGameCheck* this, PlayState* play2) {
         return false;
     }
 
-    func_8010E9F0(4, 0);
+    func_8010E9F0(TIMER_ID_4, 0);
     play->interfaceCtx.unk_280 = 1;
 
     this->horse1 =
@@ -145,7 +145,7 @@ s32 func_808F8CCC(EnHorseGameCheck* this, PlayState* play2) {
 }
 
 s32 func_808F8E94(EnHorseGameCheck* this, PlayState* play) {
-    gSaveContext.unk_3DD0[4] = 0;
+    gSaveContext.timerState[TIMER_ID_4] = TIMER_STATE_OFF;
     return true;
 }
 
@@ -247,11 +247,11 @@ s32 func_808F8FAC(EnHorseGameCheck* this, PlayState* play) {
         return true;
     }
 
-    if (gSaveContext.unk_3DE0[4] >= 0x4650) {
+    if (gSaveContext.eventTimer1Value[TIMER_ID_4] >= 0x4650) {
         Audio_QueueSeqCmd(0x8041);
         play_sound(NA_SE_SY_START_SHOT);
         this->unk_164 |= 0x40000;
-        gSaveContext.unk_3DD0[4] = 6;
+        gSaveContext.timerState[TIMER_ID_4] = TIMER_STATE_6;
         SET_RACE_FLAGS(RACE_FLAG_4);
         this->unk_174 = 60;
     }
@@ -284,7 +284,7 @@ s32 func_808F8FAC(EnHorseGameCheck* this, PlayState* play) {
         Audio_QueueSeqCmd(0x8041);
         play_sound(NA_SE_SY_START_SHOT);
         this->unk_164 |= 0x40000;
-        gSaveContext.unk_3DD0[4] = 6;
+        gSaveContext.timerState[TIMER_ID_4] = TIMER_STATE_6;
         SET_RACE_FLAGS(RACE_FLAG_3);
         this->unk_174 = 60;
     }
@@ -317,7 +317,7 @@ s32 func_808F8FAC(EnHorseGameCheck* this, PlayState* play) {
         Audio_QueueSeqCmd(0x8041);
         play_sound(NA_SE_SY_START_SHOT);
         this->unk_164 |= 0x02000000;
-        gSaveContext.unk_3DD0[4] = 6;
+        gSaveContext.timerState[TIMER_ID_4] = TIMER_STATE_6;
         SET_RACE_FLAGS(RACE_FLAG_3);
         this->unk_174 = 60;
     }
@@ -346,7 +346,7 @@ s32 func_808F8FAC(EnHorseGameCheck* this, PlayState* play) {
         Audio_QueueSeqCmd(0x8041);
         play_sound(NA_SE_SY_START_SHOT);
         this->unk_164 |= 0x800;
-        gSaveContext.unk_3DD0[4] = 6;
+        gSaveContext.timerState[TIMER_ID_4] = TIMER_STATE_6;
         SET_RACE_FLAGS(RACE_FLAG_2);
         this->unk_174 = 60;
     }
diff --git a/src/overlays/actors/ovl_En_Jgame_Tsn/z_en_jgame_tsn.c b/src/overlays/actors/ovl_En_Jgame_Tsn/z_en_jgame_tsn.c
index ef99496be..57da759e1 100644
--- a/src/overlays/actors/ovl_En_Jgame_Tsn/z_en_jgame_tsn.c
+++ b/src/overlays/actors/ovl_En_Jgame_Tsn/z_en_jgame_tsn.c
@@ -155,7 +155,7 @@ void func_80C13BB8(EnJgameTsn* this, PlayState* play) {
     if (Actor_ProcessTalkRequest(&this->actor, &play->state)) {
         if (this->actor.flags & ACTOR_FLAG_10000) {
             this->actor.flags &= ~ACTOR_FLAG_10000;
-            if (gSaveContext.unk_3DE0[4] > 0) {
+            if (gSaveContext.eventTimer1Value[TIMER_ID_4] > 0) {
                 Actor_ChangeAnimationByInfo(&this->skelAnime, sAnimations, 1);
                 Message_StartTextbox(play, 0x10A2, &this->actor);
                 this->unk_300 = 0x10A2;
@@ -287,7 +287,7 @@ void func_80C1410C(EnJgameTsn* this, PlayState* play) {
     play->interfaceCtx.unk_280 = 1;
     Interface_InitMinigame(play);
     gSaveContext.save.weekEventReg[90] |= 0x20;
-    func_8010E9F0(4, 0x78);
+    func_8010E9F0(TIMER_ID_4, 120);
     this->actionFunc = func_80C1418C;
 }
 
@@ -352,7 +352,7 @@ void func_80C14230(EnJgameTsn* this, PlayState* play) {
         func_80C14030(this);
     }
 
-    if (gSaveContext.unk_3DE0[4] == 0) {
+    if (gSaveContext.eventTimer1Value[TIMER_ID_4] == 0) {
         Message_StartTextbox(play, 0x10A1, &this->actor);
         this->unk_300 = 0x10A1;
         player->stateFlags1 |= 0x20;
@@ -479,7 +479,7 @@ void func_80C147B4(EnJgameTsn* this, PlayState* play) {
             case 0x10A1:
                 func_801477B4(play);
                 gSaveContext.minigameState = 3;
-                gSaveContext.unk_3DD0[4] = 5;
+                gSaveContext.timerState[TIMER_ID_4] = TIMER_STATE_5;
                 gSaveContext.save.weekEventReg[90] &= (u8)~0x20;
                 func_80C144E4(this);
                 break;
diff --git a/src/overlays/actors/ovl_En_Ma4/z_en_ma4.c b/src/overlays/actors/ovl_En_Ma4/z_en_ma4.c
index 1d40d36a9..51131b05e 100644
--- a/src/overlays/actors/ovl_En_Ma4/z_en_ma4.c
+++ b/src/overlays/actors/ovl_En_Ma4/z_en_ma4.c
@@ -678,7 +678,7 @@ void EnMa4_HorsebackGameCheckPlayerInteractions(EnMa4* this, PlayState* play) {
         // "You're feeling confident"
         Message_StartTextbox(play, 0x336E, &this->actor);
         this->actionFunc = EnMa4_HorsebackGameTalking;
-    } else if ((gSaveContext.unk_3DE0[4] < 115 * 100)) { // timer < 115 seconds
+    } else if ((gSaveContext.eventTimer1Value[TIMER_ID_4] < 115 * 100)) { // timer < 115 seconds
         func_800B8614(&this->actor, play, 100.0f);
     }
 }
@@ -693,7 +693,7 @@ void EnMa4_InitHorsebackGame(EnMa4* this, PlayState* play) {
     Player* player = GET_PLAYER(play);
 
     play->interfaceCtx.unk_280 = 1;
-    func_8010E9F0(4, 0);
+    func_8010E9F0(TIMER_ID_4, 0);
     gSaveContext.save.weekEventReg[8] |= 1;
     Interface_InitMinigame(play);
     player->stateFlags1 |= 0x20;
@@ -721,9 +721,9 @@ void EnMa4_HorsebackGameWait(EnMa4* this, PlayState* play) {
         play->interfaceCtx.unk_25C = 1;
     }
 
-    if ((gSaveContext.unk_3DE0[4] >= 2 * 60 * 100) // timer >= 2 minutes
+    if ((gSaveContext.eventTimer1Value[TIMER_ID_4] >= 2 * 60 * 100) // timer >= 2 minutes
         || (this->poppedBalloonCounter == 10)) {
-        gSaveContext.unk_3DD0[4] = 6;
+        gSaveContext.timerState[TIMER_ID_4] = TIMER_STATE_6;
         EnMa4_SetupHorsebackGameEnd(this, play);
         D_80AC0258 = 0;
     }
@@ -902,13 +902,13 @@ void EnMa4_StartDialogue(EnMa4* this, PlayState* play) {
                     gSaveContext.save.weekEventReg[21] |= 0x40;
                 }
             } else if (this->state == MA4_STATE_AFTERHORSEBACKGAME) {
-                if (gSaveContext.unk_3DE0[4] >= 2 * 60 * 100) {
+                if (gSaveContext.eventTimer1Value[TIMER_ID_4] >= 2 * 60 * 100) {
                     // "Too bad Grasshopper"
                     EnMa4_SetFaceExpression(this, 0, 0);
                     Message_StartTextbox(play, 0x336D, &this->actor);
                     this->textId = 0x336D;
                 } else {
-                    time = gSaveContext.unk_3DE0[4];
+                    time = gSaveContext.eventTimer1Value[TIMER_ID_4];
                     if ((s32)time < (s32)gSaveContext.save.horseBackBalloonHighScore) {
                         // [Score] New record!
                         gSaveContext.save.horseBackBalloonHighScore = time;
@@ -947,12 +947,12 @@ void EnMa4_StartDialogue(EnMa4* this, PlayState* play) {
                 Message_StartTextbox(play, 0x3354, &this->actor);
                 this->textId = 0x3354;
             } else if (this->state == MA4_STATE_AFTERHORSEBACKGAME) {
-                if (gSaveContext.unk_3DE0[4] >= 2 * 60 * 100) {
+                if (gSaveContext.eventTimer1Value[TIMER_ID_4] >= 2 * 60 * 100) {
                     // "Try again?"
                     Message_StartTextbox(play, 0x3356, &this->actor);
                     this->textId = 0x3356;
                 } else {
-                    time = gSaveContext.unk_3DE0[4];
+                    time = gSaveContext.eventTimer1Value[TIMER_ID_4];
                     if ((s32)time < (s32)gSaveContext.save.horseBackBalloonHighScore) {
                         gSaveContext.save.horseBackBalloonHighScore = time;
                         EnMa4_SetFaceExpression(this, 0, 3);
@@ -974,12 +974,12 @@ void EnMa4_StartDialogue(EnMa4* this, PlayState* play) {
                 Message_StartTextbox(play, 0x3358, &this->actor);
                 this->textId = 0x3358;
             } else if (this->state == MA4_STATE_AFTERHORSEBACKGAME) {
-                if (gSaveContext.unk_3DE0[4] >= 2 * 60 * 100) {
+                if (gSaveContext.eventTimer1Value[TIMER_ID_4] >= 2 * 60 * 100) {
                     // "Try again?"
                     Message_StartTextbox(play, 0x3356, &this->actor);
                     this->textId = 0x3356;
                 } else {
-                    time = gSaveContext.unk_3DE0[4];
+                    time = gSaveContext.eventTimer1Value[TIMER_ID_4];
                     if ((s32)time < (s32)gSaveContext.save.horseBackBalloonHighScore) {
                         // New record
                         gSaveContext.save.horseBackBalloonHighScore = time;
diff --git a/src/overlays/actors/ovl_En_Mm3/z_en_mm3.c b/src/overlays/actors/ovl_En_Mm3/z_en_mm3.c
index 4e182dfb6..553e216ba 100644
--- a/src/overlays/actors/ovl_En_Mm3/z_en_mm3.c
+++ b/src/overlays/actors/ovl_En_Mm3/z_en_mm3.c
@@ -245,13 +245,14 @@ void func_80A6F5E4(EnMm3* this, PlayState* play) {
                 break;
 
             case 0x2791:
-                if (gSaveContext.unk_3DE0[0] == 1000) {
+                if (gSaveContext.eventTimer1Value[TIMER_ID_0] == 1000) {
                     Message_StartTextbox(play, 0x2792, &this->actor);
                     this->unk_2B4 = 0x2792;
-                } else if ((gSaveContext.unk_3DE0[0] >= 1500)) {
+                } else if ((gSaveContext.eventTimer1Value[TIMER_ID_0] >= 1500)) {
                     Message_StartTextbox(play, 0x2797, &this->actor);
                     this->unk_2B4 = 0x2797;
-                } else if ((gSaveContext.unk_3DE0[0] <= 1050) && (gSaveContext.unk_3DE0[0] >= 950)) {
+                } else if ((gSaveContext.eventTimer1Value[TIMER_ID_0] <= 1050) &&
+                           (gSaveContext.eventTimer1Value[TIMER_ID_0] >= 950)) {
                     Message_StartTextbox(play, 0x2795, &this->actor);
                     this->unk_2B4 = 0x2795;
                 } else {
@@ -297,7 +298,7 @@ void func_80A6F5E4(EnMm3* this, PlayState* play) {
     } else if ((this->unk_2AC > 0) && (this->unk_2B4 == 0x2791)) {
         this->unk_2AC--;
         if (this->unk_2AC == 0) {
-            if (gSaveContext.unk_3DE0[0] == 1000) {
+            if (gSaveContext.eventTimer1Value[TIMER_ID_0] == 1000) {
                 func_801A3098(0x922);
             } else {
                 play_sound(NA_SE_SY_ERROR);
@@ -376,18 +377,18 @@ void func_80A6FBA0(EnMm3* this) {
 void func_80A6FBFC(EnMm3* this, PlayState* play) {
     Player* player = GET_PLAYER(play);
 
-    if (gSaveContext.unk_3DD0[0] == 0x10) {
+    if (gSaveContext.timerState[TIMER_ID_0] == TIMER_STATE_16) {
         player->stateFlags1 &= ~0x20;
         this->actor.flags |= ACTOR_FLAG_10000;
-        if (gSaveContext.unk_3DE0[0] > 1500) {
-            gSaveContext.unk_3DE0[0] = 1500;
-        } else if ((((void)0, gSaveContext.unk_3DE0[0]) >= (OSTime)(995 - XREG(16))) &&
-                   (((void)0, gSaveContext.unk_3DE0[0]) <= (OSTime)(1005 + XREG(17)))) {
-            gSaveContext.unk_3DE0[0] = 1000;
+        if (gSaveContext.eventTimer1Value[TIMER_ID_0] > 1500) {
+            gSaveContext.eventTimer1Value[TIMER_ID_0] = 1500;
+        } else if ((((void)0, gSaveContext.eventTimer1Value[TIMER_ID_0]) >= (OSTime)(995 - XREG(16))) &&
+                   (((void)0, gSaveContext.eventTimer1Value[TIMER_ID_0]) <= (OSTime)(1005 + XREG(17)))) {
+            gSaveContext.eventTimer1Value[TIMER_ID_0] = 1000;
         }
-    } else if (gSaveContext.unk_3DE0[0] > 1500) {
-        gSaveContext.unk_3DD0[0] = 15;
-        gSaveContext.unk_3DC8 = osGetTime();
+    } else if (gSaveContext.eventTimer1Value[TIMER_ID_0] > 1500) {
+        gSaveContext.timerState[TIMER_ID_0] = TIMER_STATE_15;
+        gSaveContext.timerOsTime = osGetTime();
     }
 
     if (Actor_ProcessTalkRequest(&this->actor, &play->state)) {
@@ -396,7 +397,7 @@ void func_80A6FBFC(EnMm3* this, PlayState* play) {
         Message_StartTextbox(play, 0x2791, &this->actor);
         this->unk_2B4 = 0x2791;
         this->unk_2AC = 7;
-        gSaveContext.unk_3DD0[0] = 0;
+        gSaveContext.timerState[TIMER_ID_0] = TIMER_STATE_OFF;
         this->actor.flags &= ~ACTOR_FLAG_10000;
         play_sound(NA_SE_SY_START_SHOT);
         func_80A6F9C8(this);
diff --git a/src/overlays/actors/ovl_En_Mt_tag/z_en_mt_tag.c b/src/overlays/actors/ovl_En_Mt_tag/z_en_mt_tag.c
index abd820d4d..7de90998b 100644
--- a/src/overlays/actors/ovl_En_Mt_tag/z_en_mt_tag.c
+++ b/src/overlays/actors/ovl_En_Mt_tag/z_en_mt_tag.c
@@ -253,7 +253,7 @@ s32 EnMttag_ExitRace(PlayState* play, s32 arg1, s32 nextTransition) {
  * Displays the text which says that the player has made a false start.
  */
 void EnMttag_ShowFalseStartMessage(EnMttag* this, PlayState* play) {
-    gSaveContext.unk_3DD0[4] = 0;
+    gSaveContext.timerState[TIMER_ID_4] = TIMER_STATE_OFF;
     Message_StartTextbox(play, 0xE95, NULL); // An entrant made a false start
     func_800B7298(play, &this->actor, 7);
     Audio_QueueSeqCmd(0x101400FF);
@@ -314,7 +314,7 @@ void EnMttag_RaceStart(EnMttag* this, PlayState* play) {
             gSaveContext.eventInf[1] |= 8;
         } else {
             if (DECR(this->timer) == 60) {
-                func_8010E9F0(4, 0);
+                func_8010E9F0(TIMER_ID_4, 0);
                 play->interfaceCtx.unk_280 = 1;
                 Audio_QueueSeqCmd(NA_BGM_GORON_RACE | 0x8000);
                 play->envCtx.unk_E4 = 0xFE;
@@ -359,14 +359,14 @@ void EnMttag_Race(EnMttag* this, PlayState* play) {
     s32 playerCheatStatus;
 
     if (EnMttag_IsInFinishLine(playerPos)) {
-        gSaveContext.unk_3DD0[4] = 6;
+        gSaveContext.timerState[TIMER_ID_4] = TIMER_STATE_6;
         play_sound(NA_SE_SY_START_SHOT);
         Audio_QueueSeqCmd(NA_BGM_GORON_GOAL | 0x8000);
         this->timer = 55;
         gSaveContext.eventInf[1] |= 2;
         this->actionFunc = EnMttag_RaceFinish;
     } else if (EnMttag_IsAnyRaceGoronOverFinishLine(this)) {
-        gSaveContext.unk_3DD0[4] = 6;
+        gSaveContext.timerState[TIMER_ID_4] = TIMER_STATE_6;
         play_sound(NA_SE_SY_START_SHOT);
         Audio_QueueSeqCmd(NA_BGM_GORON_GOAL | 0x8000);
         this->timer = 55;
@@ -457,7 +457,7 @@ void EnMttag_HandleCantWinChoice(EnMttag* this, PlayState* play) {
         if (play->msgCtx.choiceIndex != 0) {
             // Exit the race
             func_8019F230();
-            gSaveContext.unk_3DD0[4] = 0;
+            gSaveContext.timerState[TIMER_ID_4] = TIMER_STATE_OFF;
             EnMttag_ExitRace(play, 2, 2);
             gSaveContext.eventInf[1] &= (u8)~8;
             gSaveContext.eventInf[1] |= 4;
@@ -503,8 +503,8 @@ void EnMttag_Init(Actor* thisx, PlayState* play) {
 
 void EnMttag_Destroy(Actor* thisx, PlayState* play) {
     EnMttag* this = THIS;
-    if (gSaveContext.unk_3DD0[4] != 6) {
-        gSaveContext.unk_3DD0[4] = 5;
+    if (gSaveContext.timerState[TIMER_ID_4] != TIMER_STATE_6) {
+        gSaveContext.timerState[TIMER_ID_4] = TIMER_STATE_5;
     }
 }
 
diff --git a/src/overlays/actors/ovl_En_Syateki_Dekunuts/z_en_syateki_dekunuts.c b/src/overlays/actors/ovl_En_Syateki_Dekunuts/z_en_syateki_dekunuts.c
index f0f0a225b..43d191c45 100644
--- a/src/overlays/actors/ovl_En_Syateki_Dekunuts/z_en_syateki_dekunuts.c
+++ b/src/overlays/actors/ovl_En_Syateki_Dekunuts/z_en_syateki_dekunuts.c
@@ -270,7 +270,7 @@ void func_80A2C2E0(EnSyatekiDekunuts* this, PlayState* play) {
 void func_80A2C33C(EnSyatekiDekunuts* this, PlayState* play) {
     EnSyatekiMan* syatekiMan = (EnSyatekiMan*)this->actor.parent;
 
-    if ((gSaveContext.unk_3DE0[1] <= 0) || (syatekiMan->unk_26A != 1)) {
+    if ((gSaveContext.eventTimer1Value[TIMER_ID_1] <= 0) || (syatekiMan->unk_26A != 1)) {
         func_80A2C3AC(this);
     }
 
diff --git a/src/overlays/actors/ovl_En_Syateki_Man/z_en_syateki_man.c b/src/overlays/actors/ovl_En_Syateki_Man/z_en_syateki_man.c
index 35595fca0..0229e0807 100644
--- a/src/overlays/actors/ovl_En_Syateki_Man/z_en_syateki_man.c
+++ b/src/overlays/actors/ovl_En_Syateki_Man/z_en_syateki_man.c
@@ -894,7 +894,7 @@ void func_809C80C0(EnSyatekiMan* this, PlayState* play) {
         this->unk_27A = 0;
         this->unk_27C = 0;
         this->unk_26E = 0;
-        func_8010E9F0(1, 100);
+        func_8010E9F0(TIMER_ID_1, 100);
         this->actor.draw = NULL;
         this->actionFunc = func_809C81D0;
     }
@@ -937,9 +937,9 @@ void func_809C81D0(EnSyatekiMan* this, PlayState* play) {
     }
 
     this->unk_26C++;
-    if (gSaveContext.unk_3DE0[1] == 0) {
-        gSaveContext.unk_3DE0[1] = 0;
-        gSaveContext.unk_3DD0[1] = 5;
+    if (gSaveContext.eventTimer1Value[TIMER_ID_1] == 0) {
+        gSaveContext.eventTimer1Value[TIMER_ID_1] = 0;
+        gSaveContext.timerState[TIMER_ID_1] = TIMER_STATE_5;
         this->actor.draw = EnSyatekiMan_Draw;
         this->unk_27E = 0;
         this->unk_27C = 0;
@@ -957,10 +957,10 @@ void func_809C81D0(EnSyatekiMan* this, PlayState* play) {
         this->unk_26A = 5;
         if (this->unk_280 == 0x848) {
             Interface_SetPerfectMinigame(play, 2);
-            gSaveContext.unk_3DD0[1] = 6;
+            gSaveContext.timerState[TIMER_ID_1] = TIMER_STATE_6;
             this->actionFunc = func_809C8610;
         } else {
-            gSaveContext.unk_3DD0[1] = 5;
+            gSaveContext.timerState[TIMER_ID_1] = TIMER_STATE_5;
             this->actionFunc = func_809C8488;
         }
     }
@@ -1016,15 +1016,15 @@ void func_809C8610(EnSyatekiMan* this, PlayState* play) {
 
     player->stateFlags1 |= 0x20;
     if (!play->interfaceCtx.isMinigamePerfect) {
-        if (gSaveContext.unk_3DE0[1] == 0) {
-            gSaveContext.unk_3DE0[1] = 0;
-            gSaveContext.unk_3DD0[1] = 5;
+        if (gSaveContext.eventTimer1Value[TIMER_ID_1] == 0) {
+            gSaveContext.eventTimer1Value[TIMER_ID_1] = 0;
+            gSaveContext.timerState[TIMER_ID_1] = TIMER_STATE_5;
             this->unk_27E = 0;
             this->unk_27C = 0;
             this->actionFunc = func_809C8488;
             D_809C94A0 = 0;
         } else if (D_809C94A0 > 10) {
-            gSaveContext.unk_3E88[1] += 100;
+            gSaveContext.funcTimer2Value[TIMER_ID_1] += 100;
             play->interfaceCtx.unk_25C += 10;
             this->unk_280 += 10;
             Actor_PlaySfxAtPos(&this->actor, NA_SE_SY_TRE_BOX_APPEAR);
@@ -1084,7 +1084,7 @@ void func_809C8808(EnSyatekiMan* this, PlayState* play) {
         this->unk_26C = 70;
         this->unk_26E = 0;
         D_809C94A4 = 30;
-        func_8010E9F0(1, 75);
+        func_8010E9F0(TIMER_ID_1, 75);
         this->actor.draw = NULL;
         this->actionFunc = func_809C898C;
     }
@@ -1097,15 +1097,15 @@ void func_809C898C(EnSyatekiMan* this, PlayState* play) {
     };
     static s32 D_809C94A8 = 0;
     Player* player = GET_PLAYER(play);
-    s32 sp30 = (((void)0, gSaveContext.unk_3DE0[1]) * 0.1f) + 1.0f;
+    s32 sp30 = (((void)0, gSaveContext.eventTimer1Value[TIMER_ID_1]) * 0.1f) + 1.0f;
 
     if (sp30 < 0x2EF) {
         s32 temp;
 
         if (D_809C94A8 == 0) {
-            temp = ((void)0, gSaveContext.unk_3DE0[1]) % 500;
+            temp = ((void)0, gSaveContext.eventTimer1Value[TIMER_ID_1]) % 500;
         } else {
-            temp = (((void)0, gSaveContext.unk_3DE0[1]) + 250) % 500;
+            temp = (((void)0, gSaveContext.eventTimer1Value[TIMER_ID_1]) + 250) % 500;
         }
 
         if (temp < 100) {
@@ -1114,7 +1114,7 @@ void func_809C898C(EnSyatekiMan* this, PlayState* play) {
 
         if (this->unk_26E != 0) {
             if (this->unk_26E == 2) {
-                gSaveContext.unk_3E18[1] -= 250;
+                gSaveContext.eventTimer2Value[TIMER_ID_1] -= 250;
                 D_809C94A8 = (D_809C94A8 + 25) % 50;
             }
             this->unk_26E = 0;
@@ -1132,11 +1132,11 @@ void func_809C898C(EnSyatekiMan* this, PlayState* play) {
             }
         }
 
-        if (gSaveContext.unk_3DE0[1] == 0) {
+        if (gSaveContext.eventTimer1Value[TIMER_ID_1] == 0) {
             this->unk_27E = 0;
             this->unk_26C = 80;
-            gSaveContext.unk_3DE0[1] = 0;
-            gSaveContext.unk_3DD0[1] = 5;
+            gSaveContext.eventTimer1Value[TIMER_ID_1] = 0;
+            gSaveContext.timerState[TIMER_ID_1] = TIMER_STATE_5;
             player->stateFlags1 |= 0x20;
             D_809C94A8 = 0;
             this->actor.draw = EnSyatekiMan_Draw;
diff --git a/src/overlays/actors/ovl_En_Time_Tag/z_en_time_tag.c b/src/overlays/actors/ovl_En_Time_Tag/z_en_time_tag.c
index 62634561d..2ed585d04 100644
--- a/src/overlays/actors/ovl_En_Time_Tag/z_en_time_tag.c
+++ b/src/overlays/actors/ovl_En_Time_Tag/z_en_time_tag.c
@@ -90,7 +90,7 @@ void func_80AC9FE4(EnTimeTag* this, PlayState* play) {
     if (ActorCutscene_GetCanPlayNext(this->actor.cutscene)) {
         ActorCutscene_StartAndSetUnkLinkFields(this->actor.cutscene, &this->actor);
         this->actionFunc = func_80AC9FD4;
-        gSaveContext.unk_3DD0[3] = 0;
+        gSaveContext.timerState[TIMER_ID_3] = TIMER_STATE_OFF;
         if (CHECK_QUEST_ITEM(QUEST_REMAINS_ODOWLA) && CHECK_QUEST_ITEM(QUEST_REMAINS_GOHT) &&
             CHECK_QUEST_ITEM(QUEST_REMAINS_GYORG) && CHECK_QUEST_ITEM(QUEST_REMAINS_TWINMOLD)) {
             gSaveContext.save.weekEventReg[25] |= 2;
@@ -107,7 +107,7 @@ void func_80ACA0A8(EnTimeTag* this, PlayState* play) {
         if (this->actor.cutscene != -1) {
             this->actionFunc = func_80AC9FE4;
             ActorCutscene_SetIntentToPlay(this2->actor.cutscene);
-            gSaveContext.unk_3DD0[3] = 0;
+            gSaveContext.timerState[TIMER_ID_3] = TIMER_STATE_OFF;
         }
         play->msgCtx.ocarinaMode = 4;
     }
diff --git a/src/overlays/actors/ovl_Obj_Roomtimer/z_obj_roomtimer.c b/src/overlays/actors/ovl_Obj_Roomtimer/z_obj_roomtimer.c
index b39187c75..d9f1aea5d 100644
--- a/src/overlays/actors/ovl_Obj_Roomtimer/z_obj_roomtimer.c
+++ b/src/overlays/actors/ovl_Obj_Roomtimer/z_obj_roomtimer.c
@@ -45,14 +45,14 @@ void ObjRoomtimer_Init(Actor* thisx, PlayState* play) {
 void ObjRoomtimer_Destroy(Actor* thisx, PlayState* play) {
     ObjRoomtimer* this = THIS;
 
-    if (this->actor.params != 0x1FF && gSaveContext.unk_3DD0[4] > 0) {
-        gSaveContext.unk_3DD0[4] = 5;
+    if (this->actor.params != 0x1FF && gSaveContext.timerState[TIMER_ID_4] >= TIMER_STATE_1) {
+        gSaveContext.timerState[TIMER_ID_4] = TIMER_STATE_5;
     }
 }
 
 void func_80973CD8(ObjRoomtimer* this, PlayState* play) {
     if (this->actor.params != 0x1FF) {
-        func_8010E9F0(4, this->actor.params);
+        func_8010E9F0(TIMER_ID_4, this->actor.params);
     }
 
     func_800BC154(play, &play->actorCtx, &this->actor, ACTORCAT_PROP);
@@ -62,11 +62,11 @@ void func_80973CD8(ObjRoomtimer* this, PlayState* play) {
 void func_80973D3C(ObjRoomtimer* this, PlayState* play) {
     if (Flags_GetClearTemp(play, this->actor.room)) {
         if (this->actor.params != 0x1FF) {
-            gSaveContext.unk_3DD0[4] = 5;
+            gSaveContext.timerState[TIMER_ID_4] = TIMER_STATE_5;
         }
         ActorCutscene_SetIntentToPlay(this->actor.cutscene);
         this->actionFunc = func_80973DE0;
-    } else if (this->actor.params != 0x1FF && gSaveContext.unk_3DD0[4] == 0) {
+    } else if (this->actor.params != 0x1FF && gSaveContext.timerState[TIMER_ID_4] == TIMER_STATE_OFF) {
         play_sound(NA_SE_OC_ABYSS);
         func_80169EFC(&play->state);
         Actor_MarkForDeath(&this->actor);
diff --git a/src/overlays/gamestates/ovl_select/z_select.c b/src/overlays/gamestates/ovl_select/z_select.c
index 413cc4b66..c0252c57b 100644
--- a/src/overlays/gamestates/ovl_select/z_select.c
+++ b/src/overlays/gamestates/ovl_select/z_select.c
@@ -365,13 +365,13 @@ void Select_UpdateMenu(SelectContext* this) {
 
     if (this->verticalInputAccumulator == 0) {
         if (CHECK_BTN_ALL(controller1->press.button, BTN_A) || CHECK_BTN_ALL(controller1->press.button, BTN_START)) {
-            for (i = 0; i < ARRAY_COUNT(gSaveContext.unk_3EC0); i++) {
-                gSaveContext.unk_3DD0[i] = 0;
-                gSaveContext.unk_3DE0[i] = 0;
-                gSaveContext.unk_3E18[i] = 0;
-                gSaveContext.unk_3E50[i] = 0;
-                gSaveContext.unk_3E88[i] = 0;
-                gSaveContext.unk_3EC0[i] = 0;
+            for (i = 0; i < ARRAY_COUNT(gSaveContext.funcTimer3Value); i++) {
+                gSaveContext.timerState[i] = TIMER_STATE_OFF;
+                gSaveContext.eventTimer1Value[i] = 0;
+                gSaveContext.eventTimer2Value[i] = 0;
+                gSaveContext.funcTimer1Value[i] = 0;
+                gSaveContext.funcTimer2Value[i] = 0;
+                gSaveContext.funcTimer3Value[i] = 0;
             }
             gSaveContext.minigameState = 0;
 
diff --git a/tools/disasm/functions.txt b/tools/disasm/functions.txt
index 9c225a650..8ea00efde 100644
--- a/tools/disasm/functions.txt
+++ b/tools/disasm/functions.txt
@@ -2093,7 +2093,7 @@
     0x8010DC58:("func_8010DC58",),
     0x8010DE38:("func_8010DE38",),
     0x8010E028:("Interface_InitVertices",),
-    0x8010E968:("func_8010E968",),
+    0x8010E968:("Interface_TimerCallback",),
     0x8010E9F0:("func_8010E9F0",),
     0x8010EA9C:("func_8010EA9C",),
     0x8010EB50:("func_8010EB50",),
@@ -2165,7 +2165,7 @@
     0x80120F90:("Interface_LoadStory",),
     0x80121064:("Interface_AllocStory",),
     0x801210E0:("Interface_Update",),
-    0x80121F94:("func_80121F94",),
+    0x80121F94:("Interface_Destroy",),
     0x80121FC4:("Interface_Init",),
     0x801224E0:("Path_GetByIndex",),
     0x80122524:("Path_OrientAndGetDistSq",),
diff --git a/tools/disasm/variables.txt b/tools/disasm/variables.txt
index 800913461..f1ce9f834 100644
--- a/tools/disasm/variables.txt
+++ b/tools/disasm/variables.txt
@@ -1083,7 +1083,7 @@
     0x801BF930:("D_801BF930","u64","[7]",0x38),
     0x801BF968:("D_801BF968","UNK_TYPE4","",0x4),
     0x801BF96C:("D_801BF96C","UNK_TYPE4","",0x4),
-    0x801BF970:("D_801BF970","UNK_TYPE4","",0x4),
+    0x801BF970:("sTimerId","UNK_TYPE4","",0x4),
     0x801BF974:("D_801BF974","UNK_TYPE4","",0x4),
     0x801BF978:("D_801BF978","UNK_TYPE4","",0x4),
     0x801BF97C:("D_801BF97C","UNK_TYPE4","",0x4),
diff --git a/tools/sizes/code_functions.csv b/tools/sizes/code_functions.csv
index fcb340f87..582a2355d 100644
--- a/tools/sizes/code_functions.csv
+++ b/tools/sizes/code_functions.csv
@@ -1607,7 +1607,7 @@ asm/non_matchings/code/z_parameter/func_8010D9F4.s,func_8010D9F4,0x8010D9F4,0x99
 asm/non_matchings/code/z_parameter/func_8010DC58.s,func_8010DC58,0x8010DC58,0x78
 asm/non_matchings/code/z_parameter/func_8010DE38.s,func_8010DE38,0x8010DE38,0x7C
 asm/non_matchings/code/z_parameter/Interface_InitVertices.s,Interface_InitVertices,0x8010E028,0x250
-asm/non_matchings/code/z_parameter/func_8010E968.s,func_8010E968,0x8010E968,0x22
+asm/non_matchings/code/z_parameter/Interface_TimerCallback.s,Interface_TimerCallback,0x8010E968,0x22
 asm/non_matchings/code/z_parameter/func_8010E9F0.s,func_8010E9F0,0x8010E9F0,0x2B
 asm/non_matchings/code/z_parameter/func_8010EA9C.s,func_8010EA9C,0x8010EA9C,0x2D
 asm/non_matchings/code/z_parameter/func_8010EB50.s,func_8010EB50,0x8010EB50,0x14
@@ -1679,7 +1679,7 @@ asm/non_matchings/code/z_parameter/Interface_Draw.s,Interface_Draw,0x8011F0E0,0x
 asm/non_matchings/code/z_parameter/Interface_LoadStory.s,Interface_LoadStory,0x80120F90,0x35
 asm/non_matchings/code/z_parameter/Interface_AllocStory.s,Interface_AllocStory,0x80121064,0x1F
 asm/non_matchings/code/z_parameter/Interface_Update.s,Interface_Update,0x801210E0,0x3AD
-asm/non_matchings/code/z_parameter/func_80121F94.s,func_80121F94,0x80121F94,0xC
+asm/non_matchings/code/z_parameter/Interface_Destroy.s,Interface_Destroy,0x80121F94,0xC
 asm/non_matchings/code/z_parameter/Interface_Init.s,Interface_Init,0x80121FC4,0x147
 asm/non_matchings/code/z_path/func_801224E0.s,func_801224E0,0x801224E0,0x11
 asm/non_matchings/code/z_path/func_80122524.s,func_80122524,0x80122524,0x2A