Botw - Wux File

A .wux file is a compressed version of a Wii U disc image (WUD) used primarily for emulating The Legend of Zelda: Breath of the Wild on PC using Cemu. While standard Wii U disc images are always 23.3 GB, a WUX file removes the "empty space" on the disc, reducing the game's size to roughly 13 GB for Breath of the Wild. Core Technical Details

Standard Wii U discs hold 25GB, even if the game itself is only 5GB. The Solution: botw wux file

The terminal blinked green. "BOTW WUX file transfer complete. Integrity: 100%." Download DiscU: You can find this on various

WUD (Wii U Disc): An uncompressed 1:1 raw copy of the original disc, which is always roughly 23.3GB to 25GB in size. (Note: Some versions of DiscU require the title

What is a BOTW WUX file?

  1. Download DiscU: You can find this on various Wii U hacking/modding forums or GitHub repositories.
  2. Place the files: Put the DiscU.exe and your botw.wux file in the same folder.
  3. Run the command: Open Command Prompt (cmd) in that folder and run:
    DiscU.exe "botw.wux"
    
    (Note: Some versions of DiscU require the title key to be placed in a keys.txt file next to the exe, though BotW is often decrypted automatically by modern tools. If asked, you will need to procure the title key for your game region.)