From Wikipedia: Milon's Secret Castle, known in Japan as Meikyū Kumikyoku: Miron no Daibōken (迷宮組曲 ミロンの大冒険, lit. "The Maze Suite: Milon's Great Adventure"), is an action-adventure game released by Hudson Soft for the Nintendo Famicom (Japan) on November 13, 1986, the Nintendo Entertainment System (North America) in September 1988. [User Summary]: A platformer made very difficult by its use of hidden areas,inscrutable puzzles, no temporary invulnerability when hit, and no save or password system.