Users Playing this game are also playing:

Super Smash Bros. Brawl
Super Smash Bros. Brawl
Left 4 Dead
Left 4 Dead
Guitar Hero III: Legends of Rock
Guitar Hero III: Legends of Rock
The Orange Box
The Orange Box
Plants vs. Zombies
Plants vs. Zombies

Users who own this game also own:

Counter-Strike: Source
Counter-Strike: Source
Half-Life
Half-Life
Counter-Strike: Condition Zero
Counter-Strike: Condition Zero
Half-Life 2
Half-Life 2
Counter-Strike: Global Offensive
Counter-Strike: Global Offensive

Users who love this game also love:

Portal
Portal
Team Fortress 2
Team Fortress 2
Portal 2
Portal 2
Final Fantasy VII
Final Fantasy VII
Half-Life 2: Episode One
Half-Life 2: Episode One