The following are known Action Replay Codes for The Simpsons: Bart’s Nightmare on Super Nintendo (SNES).

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

• Have 10 Lives
  7E09380A
• Infinite Life
  7E0F180F
• Score Digit 1 is 9
  7E010009
• Score Digit 2 is 9
  7E010109
• Score Digit 3 is 9
  7E010209
• Score Digit 4 is 9
  7E010309
• Score Digit 5 is 9
  7E010409
• Score Digit 6 is 9
  7E010509
• Score Digit 7 is 9
  7E010609
• Always Have Z #1
  7E04E6DE
• Always Have Z #2
  7E04E8DE
• Always Have Z #3
  7E04EADE
• Always Have Z #4
  7E04ECDE
• Always Have Z #5
  7E04EEDE
• Always Have Z #6
  7E04F0DE
• Always Have Z #7
  7E04F2DE
• Always Have Z #8
  7E04F4DE
• Always Have Z #9
  7E04F6DE
• Always Have Z #10
  7E04F8DE
• Always Have Z #11
  7E04FADE
• Infinite Hits
  7E05140B
• Have 99 Watermelon Seeds Left
  7E013763
• Have 99 Gum Left
  7E013D63
• All Pages
  7E013F08
• Infinite Watermelon Seeds
  7E013705
• Infinite Bubblegum
  7E013D05
• No Pages
  7E013F00