Open an ISO in a hex editor or use wit (Wiimms ISO Tools) to explore:
Wii_Archive/ ├── ISOs/ │ └── Legend of Zelda – Twilight Princess.iso ├── WBFS/ │ └── Mario Kart Wii.wbfs ├── Metadata/ │ ├── game_ids.txt (e.g., RZDE01 for Zelda) │ └── disc_hashes.sha1 └── Tools/ wii rom archive
These are , but for: