{
  lib,
  pkgs,
  ...
}: {
  nixpkgs.config.allowUnfreePredicate = pkg:
    builtins.elem (lib.getName pkg) [
      "steam"
      "steam-unwrapped"
      "steam-run"
      "steam-original"
      "osu-lazer"
    ];
  programs.steam = {
    enable = true;
    remotePlay.openFirewall = true;
    dedicatedServer.openFirewall = true;
    gamescopeSession = {
      enable = true;
      args = ["-r" "144" "-O" "DP-1" "--rt"];
    };
  };
  programs.gamescope = {
    enable = true;
    capSysNice = true;
  };
  programs.gamemode.enable = true;
}