Here are some cheats and tips for the game Bart vs. The Space Mutants.
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. 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.