diff --git a/.gitmodules b/.gitmodules
index af466a1..0a6bfa1 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 [submodule "lib/lunasvg"]
 	path = lib/lunasvg
 	url = https://github.com/sammycage/lunasvg
+[submodule "lib/DukeNukemZeroHour"]
+	path = lib/DukeNukemZeroHour
+	url = https://github.com/Gillou68310/DukeNukemZeroHour
diff --git a/lib/DukeNukemZeroHour b/lib/DukeNukemZeroHour
new file mode 160000
index 0000000..4637588
--- /dev/null
+++ b/lib/DukeNukemZeroHour
@@ -0,0 +1 @@
+Subproject commit 4637588575173c82c15ed03d72a20ecd299f4ff7