The following are known Game Genie Codes for The Addams Family on SEGA Game Gear.

• Immune to Everything
  006-46F-F7A
• Start With 2 Lives
  01B-AD9-F7E
• Start With 8 Lives
  07B-AD9-F7E
• Start With 10 Lives
  09B-AD9-F7E
• Infinite Lives
  3A4-D1F-2A2
• Start With 1/4 Energy
  3AB-9F9-195
• Start With 1/2 Energy
  7AB-9F9-195
• Start With 3/4 Energy
  BBB-9F9-195