{ config, lib, pkgs, ... }: let
  inherit (lib) mkIf enabled;
in mkIf (config.isDesktopNotWsl && config.isGaming) {
  programs.steam = enabled {
    remotePlay.openFirewall                = true;
    dedicatedServer.openFirewall           = true;
    localNetworkGameTransfers.openFirewall = true;
    gamescopeSession.enable                = true;
  };
  # Performance.
  ];
  # Hardware acceleration and 32-bit graphics support.
  hardware.graphics = {
    enable32Bit = true; # Required for Steam and 32-bit games
  };
  # Audio settings for gaming
  security.rtkit.enable = true; # For low-latency audio
}
  home-manager.sharedModules = [{
    xdg.desktopEntries.overwatch = {
      name     = "Overwatch";
      icon     = "com.valvesoftware.Steam";
      exec     = "steam steam://rungameid/2357570";
      terminal = false;
    };
  }];
    enable      = true;
  environment.systemPackages = [
    pkgs.protontricks
    pkgs.winetricks
  programs.gamemode = enabled {
    settings = {
      custom = {
        # Doesn't seem to work right now.
        start = "${pkgs.systemd}/bin/systemctl --user stop gammastep.service";
        end   = "${pkgs.systemd}/bin/systemctl --user start gammastep.service";
      };
    };
  };

  config.flake.modules.nixosModules.games =

  config.flake.modules.nixos.games =

    in {
      environment.systemPackages = packages;

    in
    {
      environment.systemPackages = packages ++ [
        (pkgs.writeTextFile {
          name = "overwatch";
          destination = "/share/applications/overwatch.desktop";
          text = ''
            [Desktop Entry]
            Name=Overwatch
            Icon=Overwatch
            Exec=steam steam://rungameid/2357570
            Terminal=false
          '';
        })
      ];

        enable      = true;

        enable = true;

      # TODO: fix
      # xdg.desktopEntries.overwatch = {
      #   name     = "Overwatch";
      #   icon     = "com.valvesoftware.Steam";
      #   exec     = "steam steam://rungameid/2357570";
      #   terminal = false;
      # };