Available immediately, Valve has launched an extensive update to Counter-Strike: Source, now in beta.

The update includes a host of new features and functionality developed in collaboration with Hidden Path Studios. These include 144 new achievements, a new domination and revenge system, player stats, and more.

This beta will run for a limited time, and once complete, the update will be deployed to all Counter-Strike: Source owners for free via Steam.

For more information, please visit www.steamgames.com.