Wua Roms Wii U |top| Access

For users who utilize " rom packs" or simply want a clean library, WUA is ideal. Instead of a folder with 400 files that can be corrupted if one is accidentally moved, you have one solid file. It makes backing up libraries to external drives much faster and safer.

Here is a blog post detailing what they are and how to use them. Streamline Your Wii U Emulation with .WUA Files wua roms wii u