https://wccftech.com/call-of-duty-2020-zombies-mode-details/

Activision and Treyarch opened up their crypt to showcase just what the new undead mode will bring to Call of Duty Black Ops Cold War Zombies across all platforms.

With more than a nod to “Nacht der Untoten” – the map that started it all – “Die Maschine” takes place in the early ‘80s, but its roots reach back even further into the past.