: Place your game files (which typically consist of .app , .h3 , .tik , and .tmd files) into subfolders inside the install directory.

In the strictest technical sense, a (Read-Only Memory) refers to the data extracted from a game cartridge or optical disc. However, the term has evolved to become a catch-all phrase for any digital copy of a game. Because the Wii U utilized a proprietary high-density optical disc format, "ripping" a Wii U game involves creating a digital image of that disc, often saved in formats like .wud (whole disc image) or the more compressed .wux format.

With the Wii U eShop gone, the only official way to purchase games is through the pre-owned market. Emulation provides:

Cemu requires decrypted Wii U ROMs and the necessary game keys to run. Key Wii U Exclusive Titles Worth Preserving