different deaths?

hi guys i was wondering if its possible to do this in the game engine
http://www.youtube.com/watch?v=AxnZgeAplVg&feature=related
i really like this game and thought, hey, why not put this in my game? the effects are awsone, the blood and gore and fun…and fun…and i think something like this would make a game a little more interesting instead of the constant pull-the-trigger method.