Getting things ready
The game needs a few browser features that are missing:
Use a recent Chrome, Edge or Firefox, and open the page from the provided server so it is cross-origin isolated.
Your browser is drawing graphics without the graphics card, so the game would run at a few frames a second. Turn graphics acceleration on:
Black Ops Zombies runs on a desktop or laptop computer: it needs the memory and graphics of one, and a keyboard and mouse or a controller.
Open this page in Chrome, Edge or Firefox on a computer to play.
This page does not contain any game data. To play you need Call of Duty: Black Ops (PC), installed from Steam or disc. Choose its install folder and the files the engine needs are copied into your browser's private storage. Nothing is uploaded.
zone and main. On Steam it is usually Steam/steamapps/common/Call of Duty Black Ops.Zombies
Getting ready
Solo
Ctrl+W, Ctrl+T and Ctrl+N are reserved by the browser and cannot be blocked while playing. Use fullscreen to keep them away from the crouch key.
Loading
Starting the engine