The following are known Game Genie Codes for R-Type III: The Third Lightning on Super Nintendo (SNES).

• Infinite Lives
  C26B-C7D0
• Always Start at Speed Level
  ??6F-CE0D
  Modifiers
  • D6: Level 2
  • DA: Level 3
  • FD: Level 4
  • F0: Level 5