Call of Duty Zombies was stealthily released as a post-credit bonus after you finish the Call of Duty: World at War campaign. The first ever Zombies map, Nacht der Untoten, sees you holding out for as long as possible in a fort of rubble, as waves of undead foes force their way through boarded-up windows in their relentless assault.

The Zombies mode was first introduced in Call of Duty: World at War in 2008, but it was with Call of Duty: Black Ops in 2010 that the mode gained widespread popularity. Since then, the franchise has developed intricate storylines, diverse maps, and engaging gameplay mechanics. Black Ops 6 continues this tradition.