diff --git a/.gitmodules b/.gitmodules
index 8da32b89..bf88cd5f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -18,4 +18,7 @@
 	url = https://github.com/libsdl-org/SDL.git
 [submodule "src/lib/asar"]
 	path = src/lib/asar
-	url = https://github.com/RPGHacker/asar.git
\ No newline at end of file
+	url = https://github.com/RPGHacker/asar.git
+[submodule "src/lib/imgui_test_engine"]
+	path = src/lib/imgui_test_engine
+	url = https://github.com/ocornut/imgui_test_engine.git
diff --git a/src/lib/imgui_test_engine b/src/lib/imgui_test_engine
new file mode 160000
index 00000000..2c6b021d
--- /dev/null
+++ b/src/lib/imgui_test_engine
@@ -0,0 +1 @@
+Subproject commit 2c6b021da1fdf20cf7cc452cc3a4dd22a3536fcb