: An older, lossy compression format that is generally less efficient than RVZ and can occasionally cause performance issues in certain games. Practical Implementation
: While compressed files were easier to store, the Wii's SD card slots were notoriously slow. Loading a "highly compressed" game from a cheap card could sometimes take longer than the original disc. The Modern Resurrection highly compressed wii games
Highly compressed Wii games allow players to store hundreds of titles on a single SD card or hard drive by stripping away this "filler" and using modern encoding techniques. Why Compress Wii Games? : An older, lossy compression format that is
RVZ (Dolphin native) Best for archival + compatibility: Lossless NKit or WIA The Modern Resurrection Highly compressed Wii games allow
| Format | Best For | Compression Ratio | Speed | | :--- | :--- | :--- | :--- | | | USB Loaders on real Wii hardware | 40% – 70% of original | Very Fast | | CISO | Older Emulators / PSP | 50% – 80% | Fast | | RVZ | Dolphin Emulator (PC/Android) | 30% – 60% | Fast (Decomp on the fly) | | GCZ | Dolphin Emulator (Archive) | 40% – 75% | Slow to compress |