Link: http://www.gamepro.com/article/features/207777/
To not give free traffic to Gamepro:
26. Warhammer Online: Age of Reckoning
25. Kingdom Hearts 2
24. Grandia
23. Skies of Arcadia
22. Planescape Torment
21. Persona 3
20. Deus Ex
19. Disgea Afternoon of Darkness
18. Baldur's Gate 2 Shadows of Amn
17. Elders Scrolls IV
16. Pokemon DP
15. Suikoden 3
14. Mario RPG
13. FF XII
12. Earthbound
11. Mass Effect
10. KOTOR
9. A Link to the Past
8. Xenogears
7. Ultima Series
6. Diablo 2
5. Fallout 3
4. Chrono Trigger
3. Ocarina of Time
2. WoW
1. FF VII
Very bad list IMO, no FFVI, no Pokemon R/G/B, no Pokemon G/S