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.

Call of Duty Zombies peaked in Black Ops 3 and won't be as good again

Call of Duty: Warzone to Go Offline Amidst Sequel Launch, Modern Warfare 2 Season 1 Details Revealed

Call of Duty: Black Ops 3 Reviews - WholesGame

TREYARCH TAKES OVER VANGUARD ZOMBIES DEVELOPMENT – CALL OF DUTY 2021 LEAKED!

New Call of Duty Zombies Mode Coming from Treyarch - IGN

Call of Duty: Vanguard' Drops First Look at Zombies Mode from Treyarch Studios – The Nerds of Color

Who else is ready for COD 2024? MW2 is in a terrible state right now being as the developers only care about WZ. I believe Treyarch will deliver a good game next

Call of Duty: Black Ops 4 Review

Why you might want to skip Call of Duty: Vanguard - TryRolling

Call Of Duty: Vanguard Is Finally Getting Round-Based Zombies, But Expect To Wait A Little Longer - GameSpot

IW (game engine) - Wikipedia