Users Playing this game are also playing:

Serious Sam: The Second Encounter
Serious Sam: The Second Encounter
Painkiller
Painkiller
Mario Kart Wii
Mario Kart Wii
Saints Row: The Third
Saints Row: The Third
Doom (1993)
Doom (1993)

Users who own this game also own:

Half-Life
Half-Life
Half-Life 2
Half-Life 2
Portal
Portal
Portal 2
Portal 2
Serious Sam II
Serious Sam II

Users who love this game also love:

Doom II
Doom II
Max Payne
Max Payne
BioShock
BioShock
Warcraft III: Reign of Chaos
Warcraft III: Reign of Chaos
Grand Theft Auto: Vice City
Grand Theft Auto: Vice City