This is the only native way to play against bots without external software, though it was originally intended to require an internet connection for progression Accessing it : Launch the multiplayer application. Select Combat Training from the main menu Offline Limitations

I can provide specific console commands or step-by-step troubleshooting based on your setup. Share public link

Call of Duty: Black Ops 1 remains a masterpiece of the franchise, celebrated for its gritty Cold War atmosphere, intense gunplay, and iconic maps like Nuketown and Firing Range. While official matchmaking servers grow quiet and modern digital launchers present connectivity hurdles, you can still experience the full depth of Black Ops 1 multiplayer entirely offline on your PC.

If you receive an error stating the Call of Duty servers are unavailable, you likely clicked on "Xbox Live" or "Online Matchmaking" instead of Local Area Network or Combat Training. Go back to the main menu and ensure you select the local options. Missing DLC Maps

This third-party tool (created by a modder named "bgamer") is designed specifically to enable LAN play without needing an active internet connection. It makes it easier to set up local games, especially if you're planning to play with friends on the same network. Since it's designed to facilitate LAN connections rather than bypass any security, it's generally considered safe to use, though it's always wise to read community discussions before installing any mod.