Planned DLC For Left 4 Dead will be Free

Valve announced today that the recently revealed Downloadable Content for Left 4 Dead will be delivered to Xbox 360 and PC gamers free of charge.

Due for release this spring, the DLC for the PC and Xbox 360, is dubbed the L4D Survival Pack and introduces a new multiplayer game mode entitled, Survival, plus two complete campaigns for Versus Mode (Death Toll, Dead Air). A Critic’s Choice Edition of the game will be heading to retail stores this spring, and will include access to all the content introduced in the L4D: Survival Pack.