Updated system

user/app/games/games.nix

@@ -21,6 +21,12 @@ in
     superTux
     superTuxKart
   ];
+
+  nixpkgs.config = {
+    allowUnfree = true;
+    allowUnfreePredicate = (_: true);
+  };
+
   # The following 2 declarations allow retroarch to be imported into gamehub
   # Set retroarch core directory to ~/.local/bin/libretro
   # and retroarch core info directory to ~/.local/share/libretro/info