Favorite games of all time

[GundamZero]

Talk about all your favorite games here.

Mine, by system:

PS1:

1. Wing Commander IV: The Price of Freedom
2. Wing Commander III: Heart of the Tiger
3. Duke Nukem: Land of the Babes
4. Duke Nukem: Time to Kill
5. Future Cop: LAPD
6. Medal Of Honor
7. Medal Of Honor: Underground
8. Front Mission 3
9. Nuclear Strike
10. Soviet Strike

PS2:
1. Ace Combat 5: The Unsung War
2. Ace Combat 4: Shattered Skies
3. Medal Of Honor: Frontline
4. Medal Of Honor: European Assault
5. Mobile Suit Gundam SEED: Never Ending Tomorrow
6. Mobile Suit Gundam: Encounters in Space
7. TimeSplitters: Future Perfect
8. Inuyasha: Secret of the Cursed Mask
9. FullMetal Alchemist II: Curse of the Crimson Elixir
10. Metal Gear Solid 2: Sons Of Liberty
11. MGS3: Snake Eater
12. Turok: Evolution
13. Red Faction 2
14. Grand Theft Auto: Vice City
15. GTA: San Andreas
16. Sonic Mega Collection Plus
17. Secret Weapons Over Normandy
18. Robot Alchemic Drive
19. Ace Combat Zero: The Belkan War
20. Eureka Seven Vol.1-The New Wave

Xbox:
1. Halo: Combat Evolved
2. Halo 2