Users Playing this game are also playing:

Serious Sam: The Second Encounter
Serious Sam: The Second Encounter
Spear of Destiny
Spear of Destiny
Doom II
Doom II
Saints Row: The Third
Saints Row: The Third
Painkiller
Painkiller

Users who own this game also own:

Half-Life 2
Half-Life 2
Half-Life
Half-Life
Serious Sam HD: The First Encounter
Serious Sam HD: The First Encounter
Serious Sam HD: The Second Encounter
Serious Sam HD: The Second Encounter
Portal
Portal

Users who love this game also love:

Diablo II
Diablo II
Doom
Doom
Max Payne
Max Payne
Warcraft III: Reign of Chaos
Warcraft III: Reign of Chaos
Deus Ex
Deus Ex