Players have to complete the mission challenges in Call of Duty: Modern Warfare 3 in order to gain new equipment to fight the hordes of zombies. In the infected Urzikstan mission region, players can take on each mission one at a time and accomplish objectives while on deployment. Operation Deadbolt is the first act of missions that players can complete.There are 20 missions in … [Read more...] about Full List Of MW3 Zombies Act 1