Mutant: Mechatron - Rules of Play says:
In a huge facility hidden underneath the ocean, an army of robots continues to carry out the final orders of humanity. Waiting for the humans to return, the work tirelessly in decaying factories. But now, decades after the humans left, something has changed. Some robots have started to express their own free will. Will these self-aware robots save the Collective - or lead it to its final downfall?
This is the second major expansion to Mutant: Year Zero, the award-winning post-apocalyptic pen&paper roleplaying game by Free League Publishing. Mutant: Mechatron tells the origin story of the robots, and introduces them into the dawnworld of Mutant: Year Zero.