Users who own this game also own:

Half-Life: Opposing Force
Half-Life: Opposing Force
Quake Mission Pack No. 2: Dissolution of Eternity
Quake Mission Pack No. 2: Dissolution of Eternity
Tomb Raider: Underworld
Tomb Raider: Underworld
Devil May Cry 4
Devil May Cry 4
Grand Theft Auto: Episodes from Liberty City
Grand Theft Auto: Episodes from Liberty City