The following are known Game Genie Codes for Raging Fighter on Nintendo Game Boy.

• 10A-9AA-89C
  Start each fight with 10 seconds
• 50A-9AA-89C
  Start with 1/2 the normal amount of time
• 75A-9AA-89C
  Start with 3/4 the normal amount of time
• 009-1FB-A22
  Infinite time
• 004-E0B-E6D + 007-1AE-3B7
  Infinite energy
• 3EE-5BD-4C1 + 03E-5CD-4CB + 00E-5DD-E61
  Start on Level 4 (1-Player Tournament)
• 3EE-5BD-4C1 + 07E-5CD-4CB + 00E-5DD-E61
  Start on the Final Level (1-Player Tournament)
• 3E1-F2A-4CA + 041-F3A-E62 + 771-F4A-3BA
  This code is for experts only. Go to Options and set the difficulty by pressing Left 3 times. (This won’t show anything) Now exit, and you will be able to go to the 4th level of difficulty.