Users who own this game also own:

Halo 2
Halo 2
Halo: Combat Evolved
Halo: Combat Evolved
Halo 3
Halo 3
Doom 3
Doom 3
Gears of War
Gears of War

Users who love this game also love:

Call of Duty 4: Modern Warfare
Call of Duty 4: Modern Warfare
Call of Duty 2
Call of Duty 2
BioShock
BioShock
Jade Empire
Jade Empire
Mercenaries
Mercenaries