Call of Duty: Vanguard will have a Zombies mode, made by Treyarch - Polygon

Call of Duty: Vanguard will get a Zombies mode developed directly by Treyarch, despite not being a Treyarch game. The Black Ops Cold War developer will pitch in for Sledgehammer’s entry in the series by creating new Zombies content for Vanguard.

Treyarch teases more round-based Zombies ahead of Shi No Numa - Dexerto

Call Of Duty: Vanguard': Gameplay And Story Details Revealed

SDCC] Treyarch apresenta modo zumbi de Call of Duty: Black Ops 3 - NerdBunker

Call of Duty: Vanguard is getting round-based Zombies maps

New Call of Duty Zombies Mode Coming from Treyarch - IGN

Call of Duty 2023 is delayed, but more CoD is coming in 2023

Treyarch to develop Call of Duty Zombies in CoD: Vanguard - Dexerto

Call of Duty: Vanguard's Zombies mode won't have a main quest at launch - Polygon

Call Of Duty: Vanguard Will Have Its Own Zombies Mode, Developed By Treyarch - GameSpot

IW (game engine) - Wikipedia