CheatCodes.com has all the official Revelations: The Demon Slayer Game Boy cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Monday June 17, 2013 for Revelations: The Demon Slayer are shown below.
Defeat Lucifer to successfully complete the game. Then you may explore any area in the game freely. Additionally, Lucifer can be found again inside the Cave of Oasis.
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