Users Playing this game are also playing:

Half-Life: Opposing Force
Half-Life: Opposing Force
Half-Life 2: Episode Two
Half-Life 2: Episode Two
Half-Life 2: Episode One
Half-Life 2: Episode One
Half-Life 2
Half-Life 2
Half-Life
Half-Life

Users who own this game also own:

Portal
Portal
Half-Life 2: Lost Coast
Half-Life 2: Lost Coast
Portal 2
Portal 2
Half-Life 2: Deathmatch
Half-Life 2: Deathmatch
The Elder Scrolls V: Skyrim
The Elder Scrolls V: Skyrim

Users who love this game also love:

Half-Life: Source
Half-Life: Source
Counter-Strike
Counter-Strike
Max Payne
Max Payne
Team Fortress 2
Team Fortress 2
BioShock
BioShock