asdfjkl;

modules/desktop/game/default.nix

@@ -4,5 +4,6 @@
     ./lutris
     ./wine
     ./grapejuice
+    ./tetrio
   ];
 }

modules/desktop/game/tetrio/tetrio.nix

@@ -0,0 +1,21 @@
+{
+  outputs,
+  options,
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+with lib; let
+  cfg = config.modules.desktop.game.tetrio;
+in {
+  options.modules.desktop.game.tetrio = {
+    enable = mkEnableOption false;
+  };
+
+  config = mkIf cfg.enable {
+    users.users.sako.packages = with pkgs; [
+      tetrio-desktop
+    ];
+  };
+}