After a surprise delay late last month, Left 4 Dead 2's Cold Stream DLC has an official release date for Xbox 360.

The DLC will be coming this Friday, August 3, according to the official Left 4 Dead Twitter account. Death Toll, Dead Air, Blood Harvest, and Crash Course from Left 4 Dead will be playable with Left 4 Dead 2's characters and weapons, and a new map, Cold Stream, will be included as well. The DLC will cost 560 Microsoft Points.