The Mysterious Murasame Castle

The Mysterious Murasame Castle (????? Nazo no Murasame J?) is an action-adventure video game developed and published by Nintendo for the Family Computer Disk System. The player takes on the role of the main protagonist Takamaru. The objective is to race through Murasame Castle and the four neighboring castles, obtain the four gems from the castle lords and defeat the main antagonist Murasame. The player moves from different directions in a top-down view with no side-scrolling. (wiki