20. Final Fantasy XII (2006) / Square Enix 19. The Elder Scrolls IV: Oblivion (2006) / Bethesda Softworks 18. God Of War (2005) / SCE Studios Santa Monica 17. Mass Effect (2007) / BioWare 16. Metal Gear Solid 2: Sons of Liberty (2001) / Konami 15. Rock Band (2007) / Harmonix 14. Burnout 3: Takedown (2004) / Criterion Games 13. Super Mario Galaxy (2007) / Nintendo EAD Tokyo 12. World of Warcraft (2004) / Blizzard Entertainment 11. Gears of War 2 (2008) / Epic Games 10. Guitar Hero III: Legends of Rock (2007) / Neversoft 9. Grand Theft Auto: San Andreas (2004) / Rockstar North 8. Call of Duty 4: Modern Warfare (2007) / Infinity Ward 7. Half-Life 2 (2004) / Valve 6. Halo: Combat Evolved (2001) / Bungie Studios 5. Resident Evil 4 (2005) / Capcom 4. Shadow of the Colossus (2005) / Sony Computer Entertainment 3. Fallout 3 (2008)/ Bethesda Game Studios 2. Bioshock (2007) / 2K Boston/2K Australia 1. Portal (2007) / Valve