diff --git a/home.nix b/home.nix
index 0128c92..a4e1fe9 100644
--- a/home.nix
+++ b/home.nix
@@ -20,6 +20,7 @@
         keybindings = let modifier = "Mod4"; #xsession.windowManager.i3.config.modifier;
         in lib.mkOptionDefault {
           "${modifier}+0" = "workspace 10";
+          "${modifier}+Shift+0" = "move container to workspace 10";
 
           "${modifier}+Tab" = "workspace next";
           "${modifier}+Shift+Tab" = "workspace prev";
diff --git a/overlays/tuxkartmp.nix b/overlays/tuxkartmp.nix
new file mode 100644
index 0000000..ed3c674
--- /dev/null
+++ b/overlays/tuxkartmp.nix
@@ -0,0 +1,22 @@
+self: super:
+
+{
+  superTuxKartmp = super.superTuxKart.overrideAttrs(old: rec {
+    name = "superTuxKart-multiplayer";
+    srcs = [
+      (super.fetchFromGitHub {
+        owner	= "supertuxkart";
+        repo	= "stk-code";
+        rev	= "bb31d6b2265b86f5128f940584cee5ae3f033eaf";
+        sha256	= "0dpc3jrwdc7wv12z3hs0xc5xcdmh9i36164l46fi28bhfj9234c0";
+        name	= "stk-code";
+      })
+      (super.fetchsvn {
+        url	= "https://svn.code.sf.net/p/supertuxkart/code/stk-assets";
+        rev	= "17940";
+        sha256	= "1nhzvqh7x4jdvrck8k5xm7pvc6vyyjrdkqzlr2jnpx08mgjvgl0d";
+        name	= "stk-assets";
+      })
+    ];
+  });
+}