Valve has announced the first downloadable content for Left 4 Dead 2, called “The Passing.” The new campaign is set after the events of “Dead Center,” wherein Ellis, Nick, Coach and Rochelle escape from an overrun mall.

“The Passing” will see the new team meet up with original zombie survivors Bill, Zoey, Francis and Louis in a small town in the state of Georgia. It will also introduce a new uncommon common type of infected, a new melee weapon and a new firearm, and a “new co-operative challenge mode of play,” in addition to scavenge, survival and versus modes. Eight player co-op? Valve remain tight-lipped.

The DLC is scheduled for release in New Zealand’s autumn.