Milon's Secret Castle is an online NES game that you can play at Emulator Online. This free Nintendo game is the United States of America region version for the USA. Milon's Secret Castle is a single title from the many adventure games, puzzle games and platform games offered for this console. If you enjoyed playing this, then you can find similar games in the nes games category. Milon's Secret Castle game is from the various retro games on the site, and there are more games like this, including Harry Potter and the Chamber of Secrets, Castlevania and Secret of Mana.