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

• Infinite Health (Matches Last Forever)
  82C7-046F
• Always Get 4 Bonus Points for Improving Abilities
  CBB2-ADDD
  D0B2-AD0D
  6DB2-A46D
• On Normal Level, Start With All Stats at 2 Bars Instead of 0
  D9B9-64DD
• 1st 6 Fights Are Against Sledge
  DDB0-ADAD
  6DB0-AFDD
  E9B0-AF0D
• 1st 6 Fights are Against Layban
  DFB0-ADAD
  6DB0-AFDD
  E9B0-AF0D
• 1st 6 Fights are Against Amon
  D4B0-ADAD
  6DB0-AFDD
  E9B0-AF0D
• 1st 6 Fights Are Against Daisy
  D7B0-ADAD
  6DB0-AFDD
  E9B0-AF0D
• 1st 6 Fights are Against P-Lump
  D0B0-ADAD
  6DB0-AFDD
  E9B0-AF0D
• 1st 6 Fights are Against Grimrock
  D9B0-ADAD
  6DB0-AFDD
  E9B0-AF0D
• 1st 6 Fights are Against Nuform
  D1B0-ADAD
  6DB0-AFDD
  E9B0-AF0D
• 1st 7 Fights are Against Shadow
  D5B0-ADAD
  6DB0-AFDD
  E9B0-AF0D
• 1st 6 Fights are Against Ashura
  D6B0-ADAD
  6DB0-AFDD
  E9B0-AF0D
• 1st 6 Fights are Against Main
  DBB0-ADAD
  6DB0-AFDD
  E9B0-AF0D
• All Fights Are In Order (You Do Not Choose Your Opponent)
  DDB7-AFAD
• You Can Heal Completely, Not Just To The Top Of Each Segment
  DD83-D4AF
• Do Not Heal At All
  3C8E-DDAF