This includes Apocalypse, Cartel, Checkmate, KBG, and Nuketown ‘84.īesides that, some changes are implemented in Zombies mode. The devs added a total of 23 maps across the Onslaught and Onslaught Containment modes. The most notable addition is the Zombies Onslaught for all platforms. New content is coming to Call of Duty: Black Ops Cold War as developer Treyarch Studios has launched the game’s latest update.