Castle of Illusion is a side-scrolling platformer in which the player takes control of Mickey Mouse as he goes inside the Castle of Illusion in order to rescue Minnie Mouse from an evil witch named Mizrabel, who wants to steal Minnie's youth and beauty. Upon meeting and conversing with the castle's true owner and king, Mickey is told that in order to defeat Mizrabel he must find the Seven Gems of the Rainbow. The majority of the seven gems are kept within various illusion-filled worlds.
