nixcfg/modules/steam.nix

{ config, pkgs, ... }:

{
  hardware.steam-hardware.enable = true;
  programs.steam = {
    enable = true;
    remotePlay.openFirewall =
      true; # Open ports in the firewall for Steam Remote Play
    dedicatedServer.openFirewall =
      true; # Open ports in the firewall for Source Dedicated Server
  };
}