: Before individual game keys can work, you also need the Wii U Common Key at the top of your keys.txt . This key is globally used by all Wii U consoles to decrypt content. How to Obtain Keys Legally
To use these keys, you must add them to a specific text file named located in your Cemu installation folder. Cemu Disc Title Key
Use a tool like SAK (Simple Auth Key) to batch-decrypt your dumps into loadable .rpx folders, eliminating the need for runtime decryption. : Before individual game keys can work, you
: Each key should be on its own line. You can add comments (like the game name) after a symbol to keep the file organized. Automatic Selection Use a tool like SAK (Simple Auth Key)
When you rip a Wii U game to your PC (a process called "dumping"), you obtain an encrypted copy of the game data—usually as a , .WUD , or .RPX file. This file is useless without the Title Key. Cemu needs that specific string of hexadecimal characters to unlock the game.