Users Playing this game are also playing:

Half-Life
Half-Life
Garry's Mod
Garry's Mod
Half-Life 2
Half-Life 2
Diablo III
Diablo III
Portal
Portal

Users who own this game also own:

Batman: Arkham Asylum
Batman: Arkham Asylum
BioShock
BioShock
Dead Space
Dead Space
F.E.A.R. 2: Project Origin
F.E.A.R. 2: Project Origin
Left 4 Dead 2
Left 4 Dead 2

Users who love this game also love:

Mass Effect 2
Mass Effect 2
Fallout 3
Fallout 3
Crysis
Crysis
Half-Life 2: Episode Two
Half-Life 2: Episode Two
Counter-Strike: Global Offensive
Counter-Strike: Global Offensive