You are now a demolisher. Have fun!
Mods introducing new content into the game.
Since you already made something that changes the engineer, is it possible that you can port the "Spidertron Engineer" mod to 2.0? since the original author doesnt seam to update it anymore
Seems like someone had a similar desire and ended up forking it themselves: https://mods.factorio.com/mod/SpidertronEngineerFork
