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

Controller Flexibility: You aren't limited to one type of input. You can mix and match Xbox, PlayStation, or generic controllers, and even have one player use a keyboard and mouse while another uses a gamepad.

: Unlike consoles, which often drop to 30 FPS or lower in split-screen, a modern PC can maintain high frame rates across multiple instances. How to Set It Up

How to Play Black Ops 1 Zombies in Split Screen on PC: A Better Experience

Step 3 – Launch with controller support

• Plug in both controllers.
• Launch BO1 normally.
• Player 2 must press Start repeatedly in the main menu until a second “Press Start” text appears.
• Go to Zombies → Split-Screen option will appear if done right.

Plutonium Mod: For the most stable experience with modern PC hardware, many users prefer the Plutonium Project version of Black Ops 1, which includes various engine fixes and better controller support.

The modding community has done what Treyarch wouldn't: they made the PC version the ultimate couch co-op machine.