The following are known Game Genie Codes for Radical Dreamers: Nusumenai Houseki on Super Nintendo (SNES).

• Get All Endings, Most Bonuses When You Beat The Game Once
  CB89-E70D
  EE89-E76D
  3C89-E7AD
  Note: This code only works on an emulator. You do not get the secret bonus to the ending, but you get all the endings when you bear the game.