The .WUX format uses lossless compression (likely LZMA ) to reduce the file size significantly, often bringing it down to approximately 10GB–13GB for the base game.
Technical Report: Breath of the Wild .WUX Files A file for The Legend of Zelda: Breath of the Wild is a compressed Wii U disc image used primarily for emulation. It is a specialized version of the .WUD (Wii U Disc) format, designed to save storage space by stripping out the empty "padding" data found on physical discs. 1. Format Overview and Functionality botw wux file
: Modern versions of Cemu (2.0+) prefer the .wua format. Unlike WUX, which only contains the base game, WUA files can bundle the base game, all updates, and DLC into a single, high-performance compressed file. How to Use a BOTW WUX File How to Use a BOTW WUX File To
To run a WUX file in Cemu, you must ensure the emulator can decrypt it. Unlike uncompressed "Loadiine" folders, WUX and WUD files are encrypted and require specific to function. which only contains the base game