# Steam configuration for NixOS { config, lib, pkgs, ... }: { 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 }; nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [ "steam" "steam-original" "steam-run" ]; }