Alien Swarm is a game and Source SDK release from a group of talented designers at Valve who were hired from the Mod community.

If you want an excuse to stay inside and play games all summer, this just be it. This is just not your average one or two game sale, there are literally hundreds of games on sale. And some of them are 85% off. Good job again Steam on making at least some games affordable :) Be sure to check out the madness at Steam: http://store.steampo...

The Left 4 Dead 2 demo features gameplay taken from "The Parish" campaign, set in the New Orleans French Quarter. Playable by 1 to 4 players over local or Internet connections, the demo features new melee weapons and all the new boss infected zombies included in the full product.

http://store.steampo...