The game's storyline follows Mickey Mouse as he enters the mysterious Castle of Illusion to rescue Minnie from Pete's clutches. As Mickey navigates through the castle, he'll encounter various illusions, puzzles, and enemies, all while trying to stay one step ahead of Pete's minions.

: The game features fully realized 3D environments that maintain the 2D side-scrolling spirit of the original [26]. The forest, toyland, and library levels are vibrant and more imaginative than their predecessors [4].

Castle of Illusion Starring Mickey Mouse (Game Gear) - Sega-16