Optimus Prime on 06 January 2008
I didn't play all the great FPS, but here's my list:
1. Halo: Combat Evolved
2. Halo 3
3. Halo 2
4. Call of Duty 4: Modern Warfare
5. Goldeneye007
6. Bioshock
7. Turok 2
8. Battlefield 2: Modern Combat
9. Call of Duty 3
The rest I played was crap.