1. Red Dead Redemption
Play it. GOTY; it shouldn't even be questioned. Surprised anyone even debates it. A masterpiece.
2. Alan Wake
Late to the list...beat it in 2011 but definitely one of the top games. Story was fun and interesting as well as the combat. I wish it were a bit more survival horror and less action-oriented.
3. Gran Turismo 5
Still, despite any flaws, nothing comes close to the racing in this game.
Surprisingly good. I'm not a huge fan of hack n' slashers but between this and God of War 3...they got me this year. And, yes, I rate this better than GOW3.
5. God of War III
It's God of War again. But some of the boss battles are insane; stuff never seen in a game and never done again thus far. Ending was horrible, however.
6. Assassin's Creed: Brotherhood
Haven't finished it yet, but it's easy to see it's one of the best games this year and probably the best of the Assassin's Creed games.
7. Super Street Fighter IV
The best fighter around.
8. EA Sports MMA
I love MMA. I wish more people did. Sadly, this game appears to be a dud (not surprising since it doesn't have the UFC brand). I ended up selling it because I mainly bought it for multiplayer and it became annoying having a difficult time finding players online. Shame because it not only is a really good MMA game but a great fighting game in general.
I feel the need to put a shooter on here. When I think back at all the ones I played...Halo Reach, Medal of Honor, Call of Duty Black Ops. What stands out? MAG.
10. Heavy Rain
Not GOTY by any means, imo, but a unique experience that I'll mention. It kept me entertained from start to finish. However, the killer was a major let-down and once you have beaten it there isn't any excitement to play it again.