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Activision and Treyarch released a new video to their official Call of Duty channel on YouTube to unveil a new Zombies experience called "Outbreak." In this mode, you can play solo, or co-op with another player or multiple players in an open-ended storyline through portals in an attempt to escape the horde of zombies...
View: https://www.youtube.com/watch?v=oHBzHS87w6k
