To understand why the WUA format is significant, it's helpful to look at the landscape of Wii U file types:
IMPORTANT: Cemu is shifting away from encrypted ROMs (WUX, WUD). It is strongly recommended you use decrypted ROMs (Loadiine, WUA) EmuDeck Wiki wii u wua roms archive
: WUA files are substantially smaller than uncompressed folder formats. In one comparison, a library of 23 games was reduced from 176 GB to 144 GB. Consolidation To understand why the WUA format is significant,
: Combines the base game with all its additional content, so you don't have to manage thousands of files in a folder structure. wii u wua roms archive