http://ps3.ign.com/articles/117/1177019p1.html
25. Mushroom Wars
24. Soldner-X 2: Final Prototype
23. Critter Crunch
22. Lumines Supernova
21. Stacking
20. The Last Guy
19. Dead Nation
18. Peggle
17. PixelJunk Monsters
16. Castle Crashers
15. Tetris (EA)
14. Mega Man 9
13. Lara Croft and the Guardian of Light
12. Battlefield 1943
11. Marvel vs. Capcom 2
10. Hoard
9. Joe Danger
8. Plants vs. Zombies
7. Bionic Commando Rearmed
6. WipEout HD
5. Puzzle Quest: Challenge of the Warlords
4. Flower
3. Pac-Man Championship Edition DX
2. Super Stardust HD
1. Shatter
EDIT: Personally, I loved Shatter. Had more fun with Super Stardust HD though. And I would have liked to see Tekken5 DR Online on the list but oh well.
4 ≈ One