Listen to the sound clip 9. Unused 2 from Ninja-Kid 忍者くん 魔城の冒険 - Video Game Music: 9. Unused 2 9. Unused 2 This sound is from Ninja-Kid 忍者くん 魔城の冒険 - Video Game Music Video game music from Ninja-Kid 忍者くん 魔城の冒険 for Arcade. Published by Taito (1984). Go to the full soundboardwith more sound clips Search