From what I played.
1. Gran Turismo 5
2. Metal Gear Solid 4: Guns of the Patriots
3. LittleBigPlanet 2
4. Journey
5. Uncharted 3: Drake's Deception
5. Halo 3
6. Uncharted 2: Among Thieves
7. Demon's Souls
8. Killzone 3
10. Bioshock
11. Heavy Rain
12. God of War III
13. Gears of Wars
14. Batman: Arkham City
15. Uncharted: Drake's Fortune
Edit - I saw I can do 15.