* WhatCouldHaveBeen: Some of the art that appears after beating the faster mode of a song reveals these.
** The game was originally going to be a straight-up platformer.
** Tempo's weapon used to be a [[http://storage.siliconera.com/wordpress/wp-content/uploads/2013/03/harmo_knight_design_thumb.jpg battleaxe.]]
** Apparently, Tyko's design would be more oriented towards samurai rather than his viking/barbarian based attire.