Valve will release Alien Swarm - a four-player, co-operative, top-down shooter - on Steam for free today. The PC game is an entirely new version of an old mod for Unreal Tournament 2004. The ...

The designers at Valve aren't particularly prolific when it comes to games, but what they lack in volume they more than make up for in passion and polish. While big titles like and soak up most of the ...

A mod that turns one of Valve's games into a real-time strategy set in the Half-Life 2 universe has been released on Steam after six years of development. Lambda Wars, a mod for Valve's 2010 top-down ...

Wow, here's a Friday surprise. Valve just announced that it's releasing a full version of Alien Swarm, a co-operative shooter based on an old Unreal Tournament 2004 mod, next week. And it’s free. Keep ...