Nice thread revival.
FPS : Duke Nukem 3D, Call of Duty series, The Chronicles of Riddick: Escape from Butcher Bay
RPG : Deus Ex, System Shock 2, Star Wars: Knights of the Old Republic, Oblivion
Fighting : Street Fighter series, Mortal Kombat series, Tekken series
Action : Max Payne 1 & 2, God of War, Devil May Cry series, Metal Gear series, Splinter Cell series
Adventure : Legacy of Kain: Defiance, Beyond Good and Evil, Prince of Persia series
Platform : Prince of Persia 2: The Shadow and The Flame, Commander Keen series
RTS : Red Alert series, Warcraft III & The Frozen Throne
Horror: Resident Evil series, Condemned: Criminal Origins, Manhunt 1 & 2, Clive Barker's Undying, The Suffering 1 & 2
Racing: Need for Speed: Hot Pursuit and Most Wanted, Burnout series, GTR 2
Sports: Madden NFL series, Tiger Woods PGA Tour series