Black Ops 2 Zombies has been revived with new maps and modes

New Black Ops 2 mods are reviving the Zombies series with new maps and modes.

Overview - Zombies Mode - Zombies Guide, Call of Duty: Black Ops II

Black Ops Cold War Feb 4 patch notes: Express, Firebase Z, new modes & playlists, more - Dexerto

Call of Duty: Black Ops II, Call of Duty Wiki

Die Rise - Call of Duty: Black Ops 2 Guide - IGN

Custom servers and modding for Black Ops 2 Zombies on Plutonium in General Discussion - Page 1 of 1

Call of Duty: Black Ops 4 - Wikipedia

Nuketown Zombies - Black Ops 2, Zombies - Call of Duty Maps

Black Ops Cold War Zombies Gameplay Guide - Treyarch

Review: Call of Duty: Black Ops II: Vengeance – Destructoid

Resolution 1295 - Borough - Call of Duty: Black Ops 2 Guide - IGN