Humanity has been on this planet long enough, and it’s time to clear the surface of Earth from this plague. That’s what the main hero of the game thinks concocting a deadly virus in his secret laboratory. Playing as a mad genus, you have to come up with a perfect death recipe that will put the entire mankind into graves. Join various bacteria, research and enhance their properties, spread the infection all around the globe! Outsmart the vigilant doctors and succeed and bringing the Doomsday along!