: An older format used primarily for playing games on original hardware via USB loaders. Popular "Highly Compressed" Titles

: Originally a N64 game, the actual data is tiny (around 20–30MB), but the ISO is 1.35GB. Super Smash Bros. Melee : Highly optimized; removes several hundred MBs of padding. The Legend of Zelda: The Wind Waker : Compresses well due to its cel-shaded assets. ⚠️ A Note on Safety

You can right-click any game in your library and select "Compress ISO" to convert it to RVZ .

(best balance) Dolphin → Tools → Compress ISO → GCZ compression level 5

In the pantheon of retro gaming, the Nintendo GameCube (GCN) holds a unique place. Shaped like a lunchbox, powered by a handle, and home to timeless classics like Super Smash Bros. Melee , The Legend of Zelda: The Wind Waker , and Metroid Prime , it was a powerhouse for its era. But in 2026, a new kind of heat surrounds this purple cube—not from its 485MHz processor, but from the digital fire of .

: An older Dolphin-specific compressed format. While still supported, it is generally superseded by RVZ in modern setups. NKit (.nkit.iso)