The game was later ported to the Famicom Disk System. This version has all the 122 rooms from the original, but some were slightly adjusted. Other differences include the graphics being redrawn, the music being different, a smoother framerate, and the option to save a game in progress to the disk instead of having to use passwords. Additionally there's an opening cutscene, and a rock-paper-scissors mini-game final battle with King Egger,