In my personal order:
1. Ghost Recon Advanced Warfighter 2
2. Ghost Recon Advanced Warfighter
3. Call of Duty 5 World at War
4. Borderlands
5. Medal of Honor Rising Sun
6. Ghost Recon
7. Call of Duty 2
8. Operation Flash Point Dragon Rising
9. Battle Field Vietnam
10. Bulletstorm
That is just a small list of what I play and have played but I figured the top 10 would be enough :D
My favorite FPS:
1. Counter-Strike 1.6
2. Half-Life 2 (all episode).
:)
OH **** i forgot HL2
My favorites :
1. Call of duty modern-warfare-2
2. C&C GENERALS zerohour Contra mod
3. HALFLIFE
4. BATTLEFIELD VIETNAM
cool