Wii U Roms -

Here is a useful write-up on Wii U ROMs, formats, and how they are used.

Wii U served as a bridge for several GameCube and Wii classics remastered in high definition: wii u roms

Encrypted files used by the Wii U's internal system. These are typically used when installing games directly to a modded console's home menu. 2. How to Play Wii U ROMs on PC (Cemu) Here is a useful write-up on Wii U