PC versionGameCube Fans have made a PC version. Some are still early, so read the project page first.
Fans took Super Mario Sunshine apart and rebuilt it so it runs natively on a computer, often with widescreen, higher frame rates and mods. Here are the 3 projects we know about:
A decompilation of Super Mario Sunshine brought to you by a bunch of clever folks.
Native PC port of Super Mario Sunshine with a launcher: up to 8x resolution, MSAA, fullscreen, HD texture installer, free camera and mouse look. Windows and Linux. Bring your own disc.
Super Mario Sunshine Native PC Port