The extensive soundtrack accounts for a significant portion of the remaining data. Common Compression Methods
, it is likely a "scrubbed" ISO where secondary content has been removed: Subspace Emissary Removal: super smash bros brawl highly compressed best
If you are using the , RVZ is the undisputed king. It is a lossless format created by the Dolphin team. The extensive soundtrack accounts for a significant portion
Use the built-in compression tool in the Dolphin Emulator. This ensures the game remains 100% compatible with mods like Project M while sitting at the smallest possible safe size. Use the built-in compression tool in the Dolphin Emulator
If using a FAT32 drive, use the "Split" feature in backup managers to break the file into 4 GB chunks so it is recognized by the Wii.
For the absolute experience, you should aim for a lossless .RVZ file . It offers the perfect balance—it shrinks the game to roughly 25% of its original size while ensuring every trophy, song, and cutscene remains in high definition.