You know, the world needs to be saved. Somehow it is always in danger. And there is always a hero that you can count on at times like this. A hero that you can look up to. But sometimes, there comes a hero, a bit different and unorthodox in his ways. This is the story of that hero. Relive the memory of a mad guy who saved the world and ended up in an asylum. Unlock different weapons, pickup random effects, kill swarms of enemies and different bosses, bring your own apocalypse on the aliens.