"Highly compressed" doesn't just mean a smaller download; it often refers to formats optimized for modern play:
A standard uncompressed Wii ISO is typically . This size is static because Nintendo Wii discs are padded with "junk data" to fill the entire 4.7 GB capacity of a DVD, which helps with disc reading speeds on original hardware. sonic colors wii highly compressed
Unlike video compression, modern game compression formats like RVZ and WBFS are typically "lossless". This means they remove the empty padding but keep every bit of actual game data, ensuring the textures, music, and gameplay remain identical to the original. "Highly compressed" doesn't just mean a smaller download;
If you are building a library on a 128GB SD card or a portable hard drive, using WBFS or RVZ allows you to fit nearly double the amount of games compared to raw ISOs. This means they remove the empty padding but