Every Wii U game has a unique 32-character hexadecimal Title Key. For example, the European version of a game will have a different title key than the North American version. These keys must be listed individually alongside their corresponding Game IDs or names. How to Set Up and Configure keys.txt
Wii U games are stored in a encrypted format. The keys in keys.txt allow Cemu to decrypt this data, enabling the games to be read and played.
Double-check that you have both the common key and the correct game key in your keys.txt file.
For Nintendo Wii U enthusiasts exploring emulation on PC or Android, is the premier choice. However, users often hit a roadblock when attempting to load encrypted game files, resulting in a black screen or an error message requesting a keys.txt file. cemu emulator keys.txt
: A plain text file where each line usually follows a specific syntax (e.g., [Key] # [Game Name] ).
One of the most common issues users face is placing the keys.txt file in the wrong directory. Its location can vary based on your operating system and how you installed Cemu. Here is a breakdown of the most common locations:
: Download HxD (or an equivalent hex editor) and the NandDumper homebrew application. Place NandDumper in your SD:\wiiu\apps folder. Every Wii U game has a unique 32-character
, acting as a decryption library that allows the software to read and play encrypted Wii U game files. What is keys.txt?
You do not need this file for every single game. The requirement depends on the format of your game files: WUD, WUX.
: Open NandDumper on your Wii U and dump the OTP.bin file to your SD card. How to Set Up and Configure keys
Keys must be dumped from a legit Wii U console that has access.
There are a few ways to obtain the keys.txt file:
: Typically found in the root directory of the Cemu folder. For specific setups like Batocera , it may be located in the BIOS/cemu folder.
Your Wii U must have the Homebrew Channel installed.
