diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..c24df8f1
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "regamedll/extra/cssdk"]
+	path = regamedll/extra/cssdk
+	url = https://github.com/s1lentq/CSSDK