diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..3420488
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "knockoutwhist"]
+	path = knockoutwhist
+	url = https://git.janis-eccarius.de/KnockOutWhist/KnockOutWhist.git
diff --git a/knockoutwhist b/knockoutwhist
new file mode 160000
index 0000000..48cd4d3
--- /dev/null
+++ b/knockoutwhist
@@ -0,0 +1 @@
+Subproject commit 48cd4d3956ec9a94074a147544cfe22e2c8c6bae