Users who own this game also own:

Team Fortress 2
Team Fortress 2
Left 4 Dead 2
Left 4 Dead 2
Counter-Strike: Source
Counter-Strike: Source
Half-Life 2
Half-Life 2
Portal
Portal

Users who love this game also love:

Age of Empires
Age of Empires
Age of Empires III
Age of Empires III
World of Warcraft
World of Warcraft
Rock 'N Roll Racing
Rock 'N Roll Racing
Grand Theft Auto: Vice City
Grand Theft Auto: Vice City