Counter-Strike: Source Game
Blending single elimination, team-based gameplay with the notion of an economy to produce an online action experience of incredible depth and realism, Counter-Strike is the most played multi-player online action game in the world. With Counter-Strike: Source, the now legendary game has been given a complete overhaul, with graphic enhancements such as higher polygon models, shadows and reflective water to add dimension to the new characters, items, and environments. Counter-Strike: Source also contains all new maps.
In addition to the award-winning Counter-Strike gameplay, this package also includes Half-Life 2: Deathmatch--featuring fast action gameplay in physically simulated environments--and Day of Defeat: Source, Valve's World War II online action thriller set in the European theater of operations. 
Counter-Strike: Source full game features:
- Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source technology.
- Featuring state of the art graphics, all new sounds, and introducing physics.
- Counter-Strike: Source is a must-have for every action gamer.