What did you expect from a collaboration between Painkiller creators People Can Fly and Gears of War overlords, Epic Games? A cerebral puzzler? An artsy platformer? Or a balls-to-the-wall shooter that could potentially be the most frenetic, pyrotechnic example of the genre yet? Bulletstorm might be the most headache-inducing FPS Strategy Informer has ever laid eyes on, but it looks as though it'll be a real blast to play.