Yay0
From Just Solve the File Format Problem
Yay0 is a compression format used by Nintendo for game development. Like its brother Yaz0, it is found in Nintendo titles from the 2000s used to compress files, and can be identified by its Yay0 magic number.
Tools that handle Yay0 compressed files
- Yay0 decoder
- Wiimms SZS Tools, by Wiimm
- Wexos's Toolbox
- A python library for various GameCube file formats by LagoLunatic
- The "Yet Another GameCube Documentation" decompression routine