Here are some cheats and tips for the game The Simpsons: Bart vs. The Space Mutants.
If one code doesn’t work, try the other code.
IPKYXUGA / IPUYVUGA Super-jumping Bart!
XVONYXXK / XVOYLXXK Stop timer
ANENPXGU / AYNNIXGU Slow down timer
AXENPXGL / AZNNIXGL Speed up timer
PAONAYAA / PAENGYAA Gain 2 coins for every 1 collected
PAONTNTE / PAOYZNTE Only 10 coins needed to get an extra life
GXXZZOVK + GXXULEVK / Buy items for free!
GXOXIXVK + GXXLIEVK