The following are known Game Genie Codes for Disney’s Ariel: The Little Mermaid on SEGA Game Gear.

• Infinite Lives
  006 109 19E
• Collect 1 Polyp To Find Exit
  AF5 AA9 19E
• Start With 3 Lives
  027 4AF F7A
• Start With 8 Lives
  077 4AF F7A
• *Start With 10 Lives
  097 4AF F7A
• *Start With 26 Lives
  197 4AF F7A
• *Start With 51 Lives
  327 4AF F7A
• *Start With 99 Lives
  627 4AF F7A
• Infinite Keys
  005 039 E6E

Note: For codes increasing Lives over 10, ignore the counter.