Second ending: You wake up from cryogenic sleep in a medical bunker underground. The Earth is dead after the final war, first nuked, then radiated, then burned to a sterile crisp. You're not just the last member of Homo Sapiens Sapiens, you're the last biological life form on the planet, full stop. All you have is a bunch of robots of limited AI capabilities designed to Serve Man, your memories, and a cryogenic chamber that can let you sleep for thousands of years at a time if you want. What do you do?