{lib, pkgs, ...}: {
  programs.steam = {
    enable = true;
    package = pkgs.steam.override {
      extraEnv = {
        LD_PRELOAD = "${pkgs.gamemode.lib}/lib/libgamemodeauto.so";
      };
      extraLibraries = pkgs: with pkgs; [
        gamemode
      ];
    };
    remotePlay.openFirewall = true;
    dedicatedServer.openFirewall = true;
    localNetworkGameTransfers.openFirewall = true;
  };

  nixpkgs.config.allowUnfreePredicate = pkg:
    builtins.elem (lib.getName pkg) [
      "steam"
      "steam-original"
      "steam-unwrapped"
      "steam-run"
    ];

  programs.appimage.enable = true;
  programs.appimage.binfmt = true;
}