Hey L4D fans! Tom here.

It's been almost a year since our last blog post since Valve's been busy with the Cold Stream DLC and being quiet about any news... until now.

Valve has spent about a year of playing and testing the Cold Stream campaign, Blood Harvest campaign, Crash Course, Dead Air, and Death Toll on the PC. Now they are ready to release the DLC on the Xbox 360.

The release date with be Tuesday, July 24th, and according to Valve there will be other surprises and details they will tell us soon. In addition to the DLC, players can choose any Mutation they want, they will be available at all times, whether it's a official mutation by Valve or a user created mutation.

Stay tuned for more information in the coming weeks from Valve.