This Escalation pack brings maps that include an abandoned Russian Zoo, a Cuban luxury hotel and casino, a stockpile area holding secret weapons of mass destruction, and a close-quarters convoy. But perhaps most interesting is the additional star-studded zombie level where you can play as a dream team of zombie-killers featuring Sarah Michelle Gellar, Robert Englund, Michael Rooker, and Danny Trejo.
Escalation can be downloaded for 1,200 Microsoft Points or $15. Or you can check out this site and get it free for completing a few free surveys! The PC and PlayStation 3 release has yet to be announced by the publisher, Activision. But seeing how things are with the PSN, perhaps the PS3 version is in no hurry.
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Free Xbox Live
