{ lib, ... }:
{
  nixpkgs.config.allowUnfreePredicate =
    pkg:
    builtins.elem (lib.getName pkg) [
      "valheim-server"
      "steamworks-sdk-redist"
    ];

  services.valheim = {
    enable = true;
    crossplay = true;
    openFirewall = true;
    password = "hunter2";
    serverName = "Nixheim";
    worldName = "Owoheim";
  };
}