Left 4 Dead Survival DLC is Free, Says Valve

Valve has announced that the upcoming expansion pack for Left 4 Dead, the Survival Pack, will be free for both the Xbox 360 and PC release. We expected that the Xbox 360 content would be priced, due to Microsoft requring approval of it whereas on the PC it can just be released.

The Survival Pack is set to include a new Survival game mode and two new Versus campaigns.

Left 4 Dead DLC to be Free on PC, 360 [1UP News]