Haven’t tried it, but this seems like something you can customize ingame at any time with the builtin map editor. See the “setting up research” on the editor w

Haven’t tried it, but this seems like something you can customize ingame at any time with the builtin map editor. See the “setting up research” on the editor wiki page: https://wiki.factorio.com/Map_editor#Setting_up_research https://wiki.factorio.com/Map_editor#Setting_up_research Edit: you’d probably have to give yourself the necessary modular armor, roboport and initial bots.