Note: This method is often buggy and may not support all DLC maps. Troubleshooting Common Issues
If you want a more modernized experience with server browsers and custom mods, many players use the client.
Call of Duty: Black Ops 1 does not natively support split-screen on PC, you can enable it by using Nucleus Co-op
: Ensure your PC is powerful enough to run multiple instances of the game simultaneously.