Unlocking the Horde: A Guide to Black Ops 1 Zombies Split-Screen on PC While the console versions of Call of Duty: Black Ops 1
: None. BO1 on PC does not natively support split-screen or LAN. Player Count : You can run up to 4-player split-screen for Zombies using specific community handlers. Performance black ops 1 zombies split screen pc better
: Instantly close all game instances and the Nucleus software. Unlocking the Horde: A Guide to Black Ops
Search for and download the handler.
Officially impossible. But you can: