Removing the "garbage data" added by developers to fill out the physical disks.
A game like New Super Mario Bros. Wii can be shrunk from 4.37 GB down to just 350 MB. Best File Formats for Highly Compressed Dolphin Games dolphin games highly compressed
Originally designed for playing Wii games off USB drives. It is highly compressed and works excellently on the Android version of Dolphin. Removing the "garbage data" added by developers to
An older, effective compression format native to Dolphin. It works perfectly for GameCube titles. How to Compress Your Own Dolphin Games Best File Formats for Highly Compressed Dolphin Games
Highly compressed files are standard ISO images processed with special software to strip out blank data and filler bytes.
Finding or creating highly compressed game files is the easiest way to preserve hard drive space and mobile storage. What is a Highly Compressed Dolphin Game?