Open the latest beta or development version of the .
*NKIT files can sometimes be restored using a recovery partition, but it is complex compared to RVZ. Practical Tools for Compression gamecube rom highly compressed
: An older, lossy compression format previously used by Dolphin. It is less efficient than RVZ but still widely recognized. Open the latest beta or development version of the
Legitimate options for obtaining GameCube ROMs include: It is less efficient than RVZ but still widely recognized
: This removes all the padding and dummy data, turning the 1.4 GB ISO into a “scrubbed” or “shrunken” game of its true size—often 200 MB to 1 GB . Mario Party games, for instance, might shrink to 200 MB because most of the disc is filler. This scrubbed file is then compressed further with 7z.
| Format | Lossless? | Hardware Playable? | Dolphin Playable? | Typical Size (of 1.35 GB) | Restorable to Original | |---|---|---|---|---|---| | | Yes | No | Yes | 300–500 MB | Yes | | RVZ (lzma2) | Yes | No | Yes | 250–400 MB | Yes | | NKit.iso | Yes | Yes | Yes | 200–700 MB | Yes | | NKit.gcz | Yes | No | Yes | 200–600 MB | Yes | | GCZ | Varies | No | Yes | 800 MB–1.1 GB | Limited | | CISO | No | Varies | Yes | 400–800 MB | No | | WBFS | No | Varies | Yes | 400–800 MB | No | | Raw ISO | N/A | Yes | Yes | 1.46 GB | N/A |