https://1d4chan.org/wiki/Engine_Heart
https://www.rpg.net/reviews/archive/16/16698.phtml
Given the worst case putting humanity as going byebye… Here is a tabletop game where you play as robots in a post human world. Creative Commons and the guy that wrote it is pretty swell to talk to.
http://ebook.bike/books/65497/Mars-Needs-Sprockets
I wrote a book awhile back to see how it would work as a setting in the traditional sense, and to be honest it really does hold up well.
