To use encrypted Wii U games (typically in .wud or .wux format) in Cemu, you must have a keys.txt file containing the specific Title Keys for each game and the Wii U Common Key. How to Get and Use Keys
Official documentation like the Cemu Wiki and the Hacks Guide Wiki explains the technical requirements, but they do not host copyrighted keys. Community-maintained resources often provide compiled lists: cemu wii u title keys full
Place your decrypted or partially encrypted game folder in CEMU’s game path. CEMU will read the keys.txt and decrypt on the fly. To use encrypted Wii U games (typically in
Title keys are unique 32-character hexadecimal strings used to decrypt specific Wii U game titles. A detailed blog post about using Cemu legally
Legally, you should dump these keys from your own physical Wii U console using homebrew software like dumpling.