{ pkgs, ... }: { nixpkgs.config.allowUnfree = true; programs.zsh.enable = true; environment.systemPackages = with pkgs; [ killall usbutils openssl qmk-udev-rules ]; programs.steam = { enable = true; remotePlay.openFirewall = true; dedicatedServer.openFirewall = true; localNetworkGameTransfers.openFirewall = true; extraPackages = [ pkgs.jdk ]; }; programs.java.enable = true; programs.gamemode.enable = true; programs.obs-studio.enable = true; }