{ config , lib , ... }: let cfg = config.local.fragment.gaming; in { options.local.fragment.gaming.enable = lib.mkEnableOption '' Gaming related ''; config = lib.mkIf cfg.enable { programs.steam = { enable = true; # Open ports in the firewall for Steam Remote Play and Source Dedicated Server remotePlay.openFirewall = true; dedicatedServer.openFirewall = true; }; }; }