If the split screens look stretched, check the game's native video settings in each window. Change the aspect ratio manually (e.g., to 16:9 or 4:3) until the UI looks normal.
Nucleus Co-Op needs to know where your game files are located.
: Lock/Unlock mouse and keyboard input (required if playing with a mouse). Ctrl + Q : Close all game instances and Nucleus Co-op.
The community-driven Nucleus Co-op project has finally bridged this gap. By utilizing a "multi-instance" method—where the computer runs several versions of the game simultaneously and "snaps" them into a split-screen view—players can now experience high-refresh-rate, modded Zombies with friends in the same room. This setup doesn't just replicate the console experience; it enhances it by allowing for custom field-of-view (FOV) settings and even support for up to four players on a single ultra-wide monitor. It’s the ultimate way to revisit a classic, proving that even a decade later, the PC modding scene is the true guardian of gaming history. black ops 1 zombies split screen pc install
If one controller inputs actions on both halves of the screen, the windows have lost focus. Click on one of the game windows with your mouse, or press Ctrl + Alt + T (the default Nucleus hotkey) to lock the input to the respective windows. Low Performance and Framerate Drops
Player 2 will then use their controller to join the local LAN lobby hosted by Player 1. Select your map and start the match. Troubleshooting Common Issues
Click to let the tool scan your drives, or click Add Game to find it manually. If the split screens look stretched, check the
Drag and drop Controller 1 into the top half of the screen configuration and Controller 2 into the bottom half (or side-by-side, depending on your preference). Click the button in the top right corner. Step 5: In-Game Connection for Zombies
Nucleus Co-Op is an open-source tool that allows split-screen by launching multiple instances of the game and automatically resizing them.
This happens when XInput IDs clash. Ensure you launch Nucleus Co-Op as an administrator. If the issue persists, open the Nucleus settings and enable "Hook Focus" or "Hide Cursor" to prevent input bleed-through. Issue 2: Second Instance Fails to Join the LAN Lobby : Lock/Unlock mouse and keyboard input (required if
Drag and drop the icon for Player 1 into the top half of the screen representation.
Assign your controllers (gamepads, mouse, or keyboard) to different screen segments in the setup configuration.
The application will prompt you to find the game's executable file ( BlackOps.exe ).