The No. 1 online action game in the world, Counter-Strike: Source, is now available for Mac OS X via Valve's Steam distribution platform, and is free for those who already own it on Windows. "CSS is a ...

In Counter Strike Source, the first person shooter video game from Valve, you can use the right or left hand to hold your weapon. Because the weapon appears on your screen, changing the weapon from ...

GameSpot may get a commission from retail offers. Producer Jess Cliffe and marketing director Doug Lombardi fill us in on Counter-Strike: Source. Double-click the video window for a full-screen view.

Nostalgics and newbies alike have swarmed to classic Valve shooter Counter-Strike Source. Hailed as one of the defining FPS games of its era, CS Source is now furiously bunnyhopping its way up the ...