Action Replay Codes

The following are known Action Replay Codes for The Simpsons: Bart vs. The Space Mutants on Nintendo Entertainment System (NES).

• Infinite Lives
  66403
• Invulnerability
  0004B202

Cheats, Secrets, Tips & Tricks

Sound Test
Position Bart on the right side of the “E” on the “Quik-E-Mart” Sign on Level 1. Shoot the “E” with a rocket and a Krusty face will appear to confirm correct code entry. Three bonus lives and the Sound Test option will be available. Highlight the Sound Test and press Start. Press Up or Down and press Start to hear various game sounds.

Bonus Screen
Enter the Theater between 2:00 and 4:00.

Extra Coins
Purchase the whistle from the Toys ‘n’ Stuff Store and go to the Nursing Home. Blow the whistle and wait for Grandpa Simpson to begin throwing coins.

Winning the Wheel Game
Purchase the magnet from Toys N’ Stuff Store on Level 1. When playing the Wheel Game on Level 3, use the magnet while selecting a number. The magnet will allow that number to be selected by the wheel.

Game Genie Codes

The following are known Game Genie Codes for The Simpsons: Bart vs. The Space Mutants on Nintendo Entertainment System (NES).

Note: There are two versions of the game, so if the first code does not work try the second one.
• Super-Jumping Bart
  IPKYXUGA | IPUYVUGA
• Stop the Timer
  XVONYXXK | XVOYLXXK
• Slow Down the Timer
  ANENPXGU | AYNNIXGU
• Speed Up the Timer
  AXENPXGL | AZNNIXGL
• Gain 2 Coins for Every 1 Collected
  PAONAYAA | PAENGYAA
• Only 10 Coins Needed to Get an Extra Life
  PAONTNTE | PAOYZNTE
• Buy Items for Free
  GXXZZOVK + GXXULEVK | GXOXIXVK + GXXLIEVK
• Infinite Hits/Life
  PPOTESVG
• Infinite Hits
  SZOTESVK
• Get All Items By Selecting Them 1
  SPKTLESU
• No Goals Needed For Level Completion 2
  SAEYKESX
  SAEYNEIE
  AAKELSGA
• Less Than 10 Goals Needed For Level Completion 3
  SAEYKESX
  AAKELSGA

Footnotes

• Make sure you grab a paint can in level 1 before you cycle through items, or you won’t be able to use paint cans during that level. Also, don’t cycle through items in the Museum until you’ve picked up a gun, or the game will freeze when you try to fire the gun you don’t have.
• The last code allows you to complete the last level.
• The last code allows you to complete the last level with 0 goals left.