Sneaky Spirits/Unused

Rhythm Tengoku
Shiroi Obake consists of the following versions in Rhythm Tengoku:

Miscellaneous
Version 01 of Shiroi Obake uses the same graphics as version 00, with the only difference being the slowing down that occurs when hitting a ghost does not occur in version 01. This allows remixes to retain their natural flow even when Shiroi Obake is being played.

Rhythm Heaven Fever
Tap Trial consists of the following versions in Rhythm Heaven Fever:

Rhythm Heaven Megamix
Tap Trial consists of the following versions in Rhythm Heaven Megamix:

Unused Content
Sneaky Spirits 2 introduces a new mechanic not found in Sneaky Spirits, that being the music fading out as the ghosts hide behind the wall. Despite this, there is no Practice section for this. There is an unused audio track for it, however.