It is strictly compatible with the BLUS31011 version of Black Ops II. If you have the European (BLES) version, the DLC will not show up in-game unless you use a region-conversion tool like KMZ Ultra Loader .

It seems you're referring to a specific software package or identifier: . Here’s a breakdown of what this likely means and the associated context:

Let’s break down what this term actually means and why the "Portable" aspect matters.

Ensure you have the matching file in your exdata folder and have updated the game to v1.19. Region Mismatch

Managing BLUS31011 in a modern retro-gaming environment is all about the files and knowing your way around a file manager. Once those licenses are active and your region is set, those Black Ops II lobbies (or solo Zombie runs) are just a click away. AI responses may include mistakes. Learn more