Product Release - Valve
2010 年 05 月 20 日
Valve and Prima today launched the first set of in-game Prima guides on Steam. All the guides are readable in game via Steam's UI overlay functionality, as well as being available outside of game. The launch collection of guides available now on Steam include Dragon Age: Origins, Just Cause 2, and Battlefield: Bad Company 2.

To celebrate the launch of Prima guides on Steam, all the launch titles are available at 50% off their regular price.