Oni IV: Kishin no Ketsuzoku

Oni IV: Kishin no Ketsuzoku
Developer: Pandora Box Publisher: Banpresto Platform: Game Boy Released in JP: March 11, 1994 This game has debugging material. This game has a hidden sound test.

Debug Menu

Enable Game Genie code CDF‑55D‑C4D. During gameplay, press A to open the pause menu, then Start to open the debug menu. The available options are:

• MARKET ON/OFF (effect unknown)
• MAP {Map Select; Press Left/Right to select a map and A to go there. Unfortunately, this is somewhat broken as the player always spawns at coordinate 0,0 which is more often than not in a wall or otherwise out of bounds.)
• MUSIC (Music Test; Press Left/Right to select a song and A to play it.)
• SOUND EFFECT (Sound Effect Test; Press Left/Right to select a sound and A to play it.)
• ENEMIES ON/OFF (Toggle random encounters)
• PEOPLE (effect unknown)
• LEVEL ON/OFF (effect unknown)

(Source: cah4e3)