Call of Duty: Black Ops 1 does not officially support split-screen on PC, you can achieve it using third-party tools like Nucleus Co-Op
B. Using a Split-Screen Launcher (Easier) black ops 1 zombies split screen pc install
Split-screen Zombies in Black Ops 1 PC is achievable without emulators or virtual machines. While not officially supported, both console commands and community mods provide a functional local co-op experience. The modded method is strongly advised for stability and quality of life. Call of Duty: Black Ops 1 does not
Before diving into installation, it’s crucial to understand why this is so difficult. Treyarch’s PC port of Black Ops 1 was built directly from the console version but with specific features stripped out to optimize for online multiplayer. Go to Zombies → Split Screen option will now appear
If Player 2 spawns but cannot look around:
| Problem | Solution |
|---------|----------|
| Player 2’s controller moves Player 1 | Disable Steam Input for Black Ops 1 (Properties → Controller → Override = “Disable Steam Input”). Use the mod’s controllers.cfg file. |
| Split screen is stretched/off-center | Edit the mod’s split_screen.ini – change aspect_ratio = auto to your exact monitor ratio (e.g., 1.78 for 16:9). |
| No sound for Player 2 | By design – both players share audio from the same instance. Use headphones splitter or play at lower volume. |
| Game minimizes when second player presses Start | Windows Game Mode interference. Go to Settings → Gaming → Game Mode → Off. |
| Black screen on launch after installing mod | Delete d3d9.dll and use DXVK (DirectX to Vulkan wrapper). Download dxvk-2.0.tar.gz, extract x32/d3d9.dll into game folder. |
| Controllers disconnect mid-game | Update controller firmware. Use wired connections instead of Bluetooth for stability. |
Future Updates: A four-player update for Zombies is planned for this specific package. Essential Technical Tips