Apocalypse Inc.

Game description:

Welcome to an apocalypse simulator where you'll be deciding the fate of the planet! Your goal is to destroy humanity using various means. It's time to end this world, so start making plans how to do it right now! Collect sins on earth, wreck all sorts of havoc on the mankind and call forth various monsters. Become the best destroyer and don't let a single soul survive! You'll be moving around different eras doing your evil job in our time, in the future and in the past.