Definitely Bioshock 1, gives me goosebumps picturing the Andrew Ryan scene.
This or ES OblivionFFXI as it was in 2004.
FFXI as it was in 2004.
Assuming I could go back in time and forget about everything I've played since (otherwise they wouldn't have the same impact)... probably these games:
- Final Fantasy VII, VIII, IX, X and XII
- Shadow Hearts I & II
- Kingdom Hearts
- Star Ocean 3
- World of Warcraft
- Legend of Dragoon
- Lost Odyssey
- Dark Souls
- Demon's Souls
- Bloodborne (yes, really)
- Skyrim
- Oblivion
- Fable 2
- Persona 4
- Dragon Quest VIII