Modern Warfare 3's Zombies brings squad-based survival to an open world

Activision and Treyarch have revealed the first look at the Zombies game mode, which is featured fully in Sledgehammer's Call of Duty: Modern Warfare 3 universe. In this iteration, teams of players will cooperate in an open-world, PvE setting featuring multiple squads who can work together or on their own when facing down multiple threats, masses of undead, and enemy forces in a series of increasingly hostile environments. In this extraction-based mode, one of the biggest dangers is the expandin...