diff --git a/.gitmodules b/.gitmodules
index 06dea016..e2ac7c73 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -16,3 +16,6 @@
 [submodule "opus"]
 	path = 3rdparty/opus/opus
 	url = https://github.com/xiph/opus
+[submodule "3rdparty/xash-extras"]
+	path = 3rdparty/extras/xash-extras
+	url = https://github.com/FWGS/xash-extras
diff --git a/3rdparty/extras/xash-extras b/3rdparty/extras/xash-extras
new file mode 160000
index 00000000..e16b9826
--- /dev/null
+++ b/3rdparty/extras/xash-extras
@@ -0,0 +1 @@
+Subproject commit e16b9826c2a0960a537139737241f498f9c0e938