The need for compression is simple: space. Over time, a few dozen games can fill a multi-terabyte drive. Here are the primary motivations for compressing a collection:
If you don’t own the game, buy it used or find official re-releases (e.g., Nintendo Switch ports).
Here is a practical breakdown of what that means for your storage:
Perfect for the Dolphin emulator on PC, Android, and Steam Deck. However, it cannot be read natively by a physical, modded Nintendo Wii console. 3. CISO (Compressed ISO)
The most significant development in this area is the format, a revolutionary, lossless compressed disc image developed specifically for the Dolphin emulator by its creators.