{
  config,
  lib,
  pkgs,
  inputs,
  ...
}:
{
  imports = [ inputs.nix-gaming.nixosModules.platformOptimizations ];
  options.my.apps.gaming.enable = lib.mkEnableOption "enable";
  config = lib.mkIf config.my.apps.gaming.enable {
    programs = {
      gamemode.enable = true;
      steam = {
        enable = true;
        gamescopeSession.enable = true;
        remotePlay.openFirewall = true;
        dedicatedServer.openFirewall = true;
        platformOptimizations.enable = true;
      };
    };
    users.users.jawz.packages =
      let
        packages = builtins.attrValues {
          inherit (pkgs)
            shipwright # zelda OoT port
            mangohud # fps & stats overlay
            lutris # games launcher & emulator hub
            cartridges # games launcher
            gamemode # optimizes linux to have better gaming performance
            heroic # install epic games
            protonup-qt # update proton-ge
            ns-usbloader # load games into my switch
            # minecraft # minecraft official launcher

            # emulators
            rpcs3 # ps3
            pcsx2 # ps2
            cemu # wii u
            dolphin-emu # wii
            snes9x-gtk # snes
            ryujinx # switch
            ;
        };
        customPackages = [
          # minecraft launcher
          (pkgs.callPackage ../../pkgs/polymc/default.nix { })
          # 3Ds emulator
          (pkgs.callPackage ../../pkgs/citra/default.nix { branch = "nightly"; })
        ];
      in
      packages ++ customPackages;
  };
}