FPS (first person shooters)
Still, it's worth installing and plaing it once or twice. However, if your internet is very slow or you pay it on a megabyte, look at the video below. This is the entire (and only) mission in the game. Finally, the truth behind everything is revealed - this parody game is actually a promo of the Epic Games Bulletstorm game.
And finally - the official warning included in the game: "This is a parody. It is not associated with Activision or the Call of Duty games. "
Official site (no longer exists):
Gameplay video review: