diff --git a/modules/nix/default.nix b/modules/nix/default.nix
index 509e64b..e01f3fb 100644
--- a/modules/nix/default.nix
+++ b/modules/nix/default.nix
@@ -9,6 +9,7 @@
     ./de
     ./displaymanager
     ./ebook
+    ./emulator
     ./flatpak
     ./games
     ./groups
diff --git a/modules/nix/emulator/default.nix b/modules/nix/emulator/default.nix
new file mode 100644
index 0000000..f96cb27
--- /dev/null
+++ b/modules/nix/emulator/default.nix
@@ -0,0 +1,6 @@
+{ ... }:
+{
+  imports = [
+    ./desmume.nix
+  ];
+}
diff --git a/modules/nix/emulator/desmume.nix b/modules/nix/emulator/desmume.nix
new file mode 100644
index 0000000..f1e9a01
--- /dev/null
+++ b/modules/nix/emulator/desmume.nix
@@ -0,0 +1,20 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}:
+let
+  inherit (lib) mkIf mkOption types;
+in
+{
+  options.smayzy.desmume.enable = mkOption {
+    type = types.bool;
+    default = false;
+    description = "enable desmume";
+  };
+
+  config = mkIf config.smayzy.desmume.enable {
+    environment.systemPackages = with pkgs; [ desmume ];
+  };
+}
diff --git a/modules/nix/groups/desktop.nix b/modules/nix/groups/desktop.nix
index 1b495e0..8c95d36 100644
--- a/modules/nix/groups/desktop.nix
+++ b/modules/nix/groups/desktop.nix
@@ -47,6 +47,7 @@ in
       aegisub.enable = true;
       tor.enable = true;
       chromium.enable = true;
+      desmume.enable = true;
     };
   };
 }