1. Metal Gear Solid 3: Snake Eater/Subsistence (PS2)
2. Metal Gear Solid 4: Guns Of The Patriots (PS3)
3. Metal Gear Solid 2: The Sons Of Liberty/Substance (PS2/Xbox)
4. Metal Gear Solid/VR Missions (PS1)
5. Kingdom Hearts/Kingdom Hearts II (PS2)
6. Street Fighter III 3rd Strike (ARC/DC/PS2/Xbox)
7. Okami (PS2)
8. Resident Evil 4 (PS2/GCN/Wii)
9. Star Wars: Knights Of The Old Republic (Xbox)
10. Rez/Rez HD (DC/PS2/XBLA)
I almost tied MGS3 and MGS4 for number 1, but I think MGS3 edges out MGS4 slightly.
I really couldn't choose between KH1 and KH2 (Not played COM) so I had to tie them.
SFIII kind of polarizes me as I'm a much bigger fan of the characters of SFII, but I recognize that SFIII is the best of the two, and ol' thunder thighs is top of the tier list, where she belongs.
Okami and Rez are just beautiful titles, both overlooked and under appreciated to a criminal degree. Plus Rez had a vibrator for a controller, so you know
RE4 and KOTOR are obvious choices for reasons that's already been said thousands of times I'm sure. Half-Life, Half-Life 2 and Final Fantasy VI came pretty close to making the list. I could have just grouped MGS into one thing, but I decided not to