I've had it for over week now and I love it. The single player game is quite tough IMO. The multi-player game is where it's at though. I don't have Xbox Live yet, so I've been using it through Xbconnect and it's very good indeed. I've seen some comments made about it being very basic, i.e. just shoot, strafe and move, but I can't agree with that. If you put in the time, then the game's subtleties will show!