Doomsday is a classic shoot'em up game where your task is to defend our planet from attacks of terrifying aliens. The task is not easy - at the beginning you have only small arsenal of weapons and small amount of ammunition. It is right to mention that the interesting element, which makes Doomsday different from other games of that kind, is evolutionary system of increasing pilot skills. During the game, you can choose 3 ways of evolution. You can upgrade ship with 18 unique skills. Action takes place on 48 unique, photorealistic maps, which we have to clear from hundreds of space invaders.