The following are known Game Genie Codes for Majyuuou on Super Nintendo (SNES).

• Start A New Game On Stage 2
  DF6D-1DA4
• Start A New Game On Stage 3
  D16D-1DA4
• Start A New Game On Stage 4
  DB6D-1DA4
• Start A New Game On Stage 5
  DC6D-1DA4
• Start A New Game On Stage 6
  D36D-1DA4
• Start A New Game On Stage 7
  F76D-1DA4
• Music/Sound Test Menu Activated When Starting A New Game
  F06D-1DA4