Users Playing this game are also playing:

Team Fortress 2
Team Fortress 2
Half-Life 2
Half-Life 2
Half-Life 2: Episode Two
Half-Life 2: Episode Two
Half-Life 2: Deathmatch
Half-Life 2: Deathmatch
Counter-Strike: Source
Counter-Strike: Source

Users who own this game also own:

Half-Life 2: Episode One
Half-Life 2: Episode One
Portal
Portal
Half-Life
Half-Life
Portal 2
Portal 2
Left 4 Dead 2
Left 4 Dead 2

Users who love this game also love:

BioShock
BioShock
Half-Life: Opposing Force
Half-Life: Opposing Force
Half-Life: Blue Shift
Half-Life: Blue Shift
Left 4 Dead
Left 4 Dead
Doom II
Doom II