Fluid is an interactive sound lab which allows the player to create dance and electronic music. The player uses a dolphin character in the Cruise Stage to collect samples for mixing in the Groove Editor.
This needs some investigation. Discuss ideas and findings on the talk page. Specifically: In Japanese version, there is a large amount of dummy data, that has lots of unused cruise stage movies, as well as some animation tests
DUMMY.DAT and DUMMY1.DAT contain the following text: