In the world of emulation, a "highly compressed" file refers to a game ROM or ISO that has been processed to take up significantly less disk space than its original physical counterpart.

: The Nintendo Kit (nKit) format is designed to shrink files to their smallest possible "matchable" size. It is excellent for archiving but sometimes requires "restoring" to a full ISO to work on certain hardware.

| Version | Load Time | Audio Quality | Race FPS | | :--- | :--- | :--- | :--- | | Original ISO (1.35GB) | 12 seconds | Perfect | 45-50 FPS | | 140MB RVZ (lossless) | 13 seconds | Perfect | 48-60 FPS | | | 15 seconds | Slight crackle in menus | 55-60 FPS | | 75MB (heavy downsampling) | 18 seconds | Tinny, mono | 60 FPS locked |

: An older compression format native to Dolphin that similarly strips unnecessary data. RIPs / Trimming