This was my favorite Xbox game of all time. In fact I still have this game, just can't play it on 360. Not back/compat. Sure wish they would re-make this game for the now generation, they would love it.
I remember playing this game a long time ago back when there was no xbox 360. But what game fly has wrong is that this game is TWO PLAYERS. Gamefly might be calling it one player maybe because when you play as two players, you're the same person. One controls the shooting (and powers? I'm not sure if it's the other person) and the other controls the movement and camera. I find that the only let down (which is the biggest there could be) is that it's not compatible for Xbox 360. Just be sure you know, this game IS for TWO players.