{pkgs, ...}: {
  environment.systemPackages = with pkgs.unstable; [
    heroic # Game Launcher
    lutris # Game Launcher
    steam # Game Launcher
  ];

  programs = {
    steam = {
      enable = true;
      remotePlay.openFirewall = true;
      gamescopeSession.enable = false;
    };
    # Steam: Right-click game - Properties - Launch options: gamemoderun %command%
    # Lutris: General Preferences - Enable Feral GameMode
    #                             - Global options - Add Environment Variables: LD_PRELOAD=/nix/store/*-gamemode-*-lib/lib/libgamemodeauto.so
  };
}