Community-Made Mods: Day of Defeat: Source

Action, Indie - Released: Feb 12, 2010

Pirates, Vikings and Knights II pits three teams against each other in a struggle for wealth, power and total domination. The game features many different game modes including Territory, where players fight to control key locations in the map; Holy...

Released: Jun 2009

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Released: Oct 3, 2008

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Action, Free to Play, Indie - Released: Oct 3, 2008

Zombie Panic: Source is a cooperative survival horror Half-Life 2 Modification, the sequel to the popular Half-Life Modification "Zombie Panic".

Indie - Released: Oct 3, 2008

Age of Chivalry is a total conversion for Half-Life 2 from Team Chivalry, a close group of friends dedicated to creating a fun, story-driven multiplayer experience set in a fantasy world in the medieval ages.

Action, Free to Play - Released: Oct 3, 2008

Synergy enables you to play through the Half-Life 2 series cooperatively with friends. Supported Games: Half-Life 2 (required) Half-Life 2: Lost Coast Half-Life 2: Episode One Half-Life 2: Episode Two Calamity City 7: Toronto Conflict Dangerous...