Nucleus Co-Op is a free, open-source tool that automates the process of opening multiple game instances, partitioning your screen, and routing controller inputs to specific instances. Step 1: Download and Install Nucleus Co-Op
Call of Duty: Black Ops 1 (BO1) Zombies in split-screen on PC requires third-party tools, as the PC version does not natively support local co-op. Installation Guide for Split-Screen The most reliable way to achieve split-screen is by using Nucleus Co-Op
Click the button in the top right corner of Nucleus Co-Op.
Search for "Call of Duty: Black Ops" and download the handler. Search Game and navigate to your game’s main directory to select BlackOps.exe Configure the Session Select the Black Ops icon in Nucleus Co-op. Choose the number of players/instances. black ops 1 zombies split screen pc install
This is the open-source software that automates split-screen functionality for PC games that do not natively support it. Method 1: The Nucleus Co-Op Method (Recommended)
Official split-screen support for Call of Duty: Black Ops 1 is not available on PC.
Once loaded, navigate to the menu on both screens, select LAN Game or Local , host a lobby on Player 1, and join the lobby using Player 2. Nucleus Co-Op is a free, open-source tool that
This forces Steam to bypass the "Application already running" restriction, opening two independent instances of the game.
In the , navigate to Zombies > Find Match (or Private Match) and select your map.
Works for nearly any game (Left 4 Dead 2, Resident Evil 5, etc.), supports more than 2 players (up to 4 if your PC can handle it). Search for "Call of Duty: Black Ops" and
Running two instances of the game simultaneously requires more hardware resources than running a single instance. Step 1: Install and Set Up Nucleus Co-op
It is important to clarify immediately:
The tool will automatically launch two separate instances of the game, resize the windows to fit your layout, and block outside cursor movement to prevent accidental window switching.