

In addition, those with Left 4 Dead 2 receive L4D's "No Mercy" campaign.


In The Sacrifice for Left 4 Dead 2, owners receive "The Sacrifice" campaign playable with the original Left 4 Dead Survivors. In The Sacrifice for Left 4 Dead 1 gamers receive the complete Sacrifice campaign with maps playable in Campaign, Versus, and Survival modes. The Sacrifice DLC for L4D1 and L4D2 are separate downloads for each version of the game. In addition to advancing the story, "The Sacrifice" introduces a new style finale featuring "Sacrificial Gameplay" where players get to decide who will give their life so the others may live. It is the prequel to "The Passing," and takes place from the L4D Survivors' perspective as they make their way South, before meeting up with the quartet from L4D2. "The Sacrifice" downloadable content is due for release on October 5, 2010. As fans of the franchise will know, "The Sacrifice" is going to explain why Bill, one of the original four survivors from the first game, is dead in "The Passing" map, which was released for L4D2 a few months back. Valve just sent over a trailer and screenshots for "The Sacrifice" DLC, which is in development for both Left 4 Dead and Left 4 Dead 2.
