diff --git a/.gitmodules b/.gitmodules
index 4301ff8c..a3e93cd8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -754,3 +754,6 @@
 [submodule "repos/Noise86"]
 	path = repos/Noise86
 	url = https://github.com/spacejoey86/Noise86.git
+[submodule "repos/SIM"]
+	path = repos/SIM
+	url = https://github.com/imDanSable/SIM.git
diff --git a/repos/SIM b/repos/SIM
new file mode 160000
index 00000000..873bd7f5
--- /dev/null
+++ b/repos/SIM
@@ -0,0 +1 @@
+Subproject commit 873bd7f5cdec102d01f9dad06e5fc926158f678e