Because arbitrary lists are fun. Because 10 wasn't enough to cover an entire decade. Because I never bought a PS3. And because I don't think I even bought ten games this year alone anyway.

1. Wario Ware Inc:Mega Microgame$
   
2. Super Smash Bros. Brawl
3. Team Fortress 2
4. Super Mario Galaxy
5. Advance Wars: Days of Ruin
6. Resident Evil IV
7. The Elder Scrolls IV: Oblivion
   
8. New Super Mario Bros.
9. Paper Mario: The Thousand-Year Door
10. MLB 07: The Show
11. Super Mario Sunshine  
    
12. Metroid Prime
13. Grand Theft Auto: San Andreas
14. Halo 3
15. Metal Gear Solid 3: Snake Eater