For deeper modding, you‘ll also need to work with , BFRES , AAMP , and other proprietary Nintendo formats. Tools like BCML (Breath of the Wild Cross-Platform Mod Loader) can help manage mod installations without modifying your original game files.
Under , click Add and select the folder containing your BOTW WUX file.
WUX stands for . It is a space-saving version of a WUD (Wii U Disc) file. While a standard WUD file is always a massive 23.3 GB—regardless of the actual game size—a WUX file strips away the "empty" filler data on the disc to reduce the file footprint. WUD (Wii U Disc) WUX (Compressed) Size Always 23.3 GB Variable (much smaller) Integrity Exact 1:1 copy Preserves all game data Encryption How to Use a WUX File in Cemu botw wux file
While a WUX file is great for simply playing the game, modders need to go deeper. Inside every BotW game dump, whether it's a WUX or an RPX folder, lies the game's content in a specific structure. The three most important components are:
Cemu requires game updates and DLC to be in a unpacked folder format ( rpx structure) to install them properly over a base game. For deeper modding, you‘ll also need to work
: Find the folder where Cemu.exe is located.
A common point of confusion for players is how to apply the crucial v208 (or latest) game update and the Master Trials/Champions' Ballad DLCs to a .wux file. WUX stands for
To play Breath of the Wild, you must add the specific and the BOTW Game Key to this text file.