The Good: Great use of the Doom 3 engine, interesting story, nice selection of weapons, portals and gravity is fun
The Bad: Tommy is a jerk, not very challenging even on toughest difficulty, multiplayer is something to yawn at, Combat is too straight forward and simple, story could have been fleshed out more, not worth the 10 year wait
I'm very disappointed that we waited 10 years for this. Being 10 years in development this game could have been out of this world (ha-ha) but instead we get a straight forward run 'n' gun FPS. That doesn't make this bad though. Prey introduces the awesome portal engine and it just amazes you through the first few levels. Prey's puzzle solving is simple and uses its gravity engine as well where you'll be flipping rooms around. This game is also very easy even on hard and this is do to the fact you NEVER get a game over if you die. Tommy is a Cherokee Indian so his grandfather takes him to their "dead world" and Tommy can then project his soul outside his body and this adds to more puzzle solving elements since he can go through barriers his body can’t. When you die you do this "death walk" where you shoot enemies flying around to gain more health then you enter your body right where you died.
Despite all this Prey has one of the best stories a FPS has had in years. You'll definitely play through this twice and it's worth it at its bargain bin price now. The multiplayer I hear is crap but I don't have XBL Gold so I can't say. If you want a great FPS experience on your 360 or PC pick this baby up.