It looks like Left 4 Dead started out as a Counter-Strike: Condition Zero mod, and you can now try it yourself. Counter-Strike 1.6’s latest update inadvertently included Valve’s earliest prototype of ...

GameSpot may get a commission from retail offers. It's been quite some time since Valve released Half-Life way back in 1998, but the game's influence is still felt, not least of all by the more than ...

Here's a riddle for you. Of all the popular FPS games out there, which one is the most popular? Quake III Arena? Yeah right. Unreal Tournament? Not even close. Tribes 2? Whatever. If you hadn't ...