Available now on the Marketplace is a DLC Survival Pack for Left 4 Dead. Here is another reason as to why you should be firing up that game again to blast some zombies away.

Content: Left 4 Dead Survival Pack
Price: Free
Availability: All Xbox LIVE regions
Dash Text: [ESRB: M (Mature) BLOOD AND GORE,INTENSE VIOLENCE,LANGUAGE] The Left 4 Dead Survival Pack introduces a new multiplayer game mode, entitled “Survival”, plus two complete campaigns for Versus Mode.

Quite exciting new additions to the multiplayer mode.

Source [Major Nelson and Co-Optimus]