The following are known Game Genie Codes for The Death and Return of Superman on SEGA Genesis.

• Start With 1 Life
  AAOT-DYFC
• Start With 3 Lives
  AJOT-DYFC
• Start With 4 Lives
  ANOT-DYFC
• Start With 6 Lives
  AYOT-DYFC
• Start With 10 Lives
  BEOT-DYFC
• Infinite Lives
  ACDT-ANPE
• Start With 1/2 Health On Your First Life
  ACBA-AANL
• Start With 3/4 Health On Your First Life
  ACBA-BANL
• Start With Double Health On Your First Life
  ACBA-ABEL
• Start With 1/2 Health After Your First Life
  ECDT-BYFT
• Start With 3/4 Health After Your First Life
  GCDT-BYFT
• Start With Double Health After Your First Life
  TCDT-BYFT
• Start With 1 Special Attack
  AEOT-DYEO
• Start With 2 Special Attacks
  AJOT-DYEO
• Start With 5 Special Attacks
  AYOT-DYEO
• Start With 9 Special Attacks
  BEOT-DYEO
• Infinite Special Attacks
  ACLT-ANLC
• Invincibility
  RE6T-A6TN
  Note: Your character will always but enemies will not attack him. This code works up until Doomsday.
• Improved Invincibility
  AT6T-AA2N
  ST6T-BWKG
  TA6T-BLBL
  Note: Disable this code the first time you fight “The Cyborg”, preferably right before you defeat him.