The following are known Action Replay Codes for Mario’s Time Machine on Super Nintendo (SNES).

These codes are for the U.S. version of the game.

• 1 Wrong Answer to Questions Allowed
  80D92D01
• 255 Wrong Answers Allowed (Ignore Sad Face Icon)
  80D92DFF
• Bonus Timer Does Not Countdown In The Whole Game
  818DC900
• Do Not Lose Mushrooms In Collisions
  808F2800
  818727A9
  81872900