If you run it on a USB drive formatted as WBFS (not FAT32/NTFS with a WBFS folder—common misunderstanding), you cannot easily add or remove other games without Wii Backup Manager. That’s why most modern loaders use FAT32 + .wbfs files. The file you see— Just Dance 2015 [SE3P41].wbfs —is actually a file , not a raw disk format. True WBFS partitions died around 2012.
If you have that specific file, treat it well. It’s the last great dance on a little white console that refused to die. Wii Just Dance 2015 -SE3P41- -WBFS-
For the homebrew enthusiast: finding a clean, unscrubbed WBFS of this title is like finding a first-edition vinyl. For the casual player: it’s still the most forgiving, lowest-lag way to play "Happy" or "Tetris" (the main theme) with four friends. If you run it on a USB drive
This is not a review of the game’s soundtrack or choreography. Instead, this is a technical, historical, and platform-specific deep dive into why this particular combination— Just Dance 2015 , on the Wii, in WBFS format—represents a fascinating anomaly in gaming history. By 2014, the Wii was a dead platform walking. The Wii U had been out for two years. The PS4 and Xbox One were dominating the "core" market. Most third-party publishers had abandoned the Wii entirely. True WBFS partitions died around 2012