{ lib, config, ... }: { options = { package.steam.enable = lib.mkEnableOption "Enable Steam module"; }; config = lib.mkIf config.package.steam.enable { 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 localNetworkGameTransfers.openFirewall = true; # Open ports in the firewall for Steam Local Network Game Transfers }; }; }