Play Milon's Secret Castle emulator game online in the highest quality available. Milon's Secret Castle is a Nintendo game that you can enjoy on Play Emulator. This NES game is the US English version that works in all modern web browsers without downloading. Milon's Secret Castle is part of the Arcade Games, Adventure Games, and Action Games you can play here. PlayEmulator has many online retro games available including related games like Secret Agent Barbie - Royal Jewels Mission, Might and Magic: Secret of the Inner Sanctum, and Princess Natasha - Student, Secret Agent, Princess.