{ factorio-headless, pkgs }: factorio-headless.overrideAttrs (_: rec { version = "2.0.15"; src = pkgs.fetchurl { name = "factorio_headless_x64-${version}.tar.xz"; url = "https://www.factorio.com/get-download/${version}/headless/linux64"; hash = "sha256-cLRBy4B4EaYFhsARBySMHY164EO9HyNnX8kk+6qlONg="; }; })