A few days ago we brought you details and box art from the new Left 4 Dead DLC, The Sacrifice. The original survivors return in this prequel to Left 4 Dead 2's The Passing, which was released earlier this year. The trailer is out now, and it looks like The Sacrifice will be serious business indeed.
Left 4 Dead: The Sacrifice will be available for both Left 4 Dead 1 and 2. The content comes out next week on October 5th for 560 MS points. If you have a PC, Valve is just giving it away on Steam.