diff --git a/.gitmodules b/.gitmodules
index 044283d..3c36910 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -16,3 +16,6 @@
 [submodule "framework/3rd/termbox"]
 	path = framework/3rd/termbox
 	url = https://github.com/nullgemm/termbox_next.git
+[submodule "framework/3rd/reactphysics3d"]
+	path = framework/3rd/reactphysics3d
+	url = https://github.com/DanielChappuis/reactphysics3d.git
diff --git a/framework/3rd/reactphysics3d b/framework/3rd/reactphysics3d
new file mode 160000
index 0000000..c273e7c
--- /dev/null
+++ b/framework/3rd/reactphysics3d
@@ -0,0 +1 @@
+Subproject commit c273e7cfe580037c6cb7073b0050e0ce7d6da231