{ config, lib, nixpkgs, ... }: { nixpkgs.config.allowUnfree = true; nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [ "steam" "steam-original" "steam-run" ]; programs.steam = { enable = true; remotePlay.openFirewall = true; dedicatedServer.openFirewall = true; }; }