NES: The Simpsons Bart vs the Space Mutants Zenkai Series Set 06 which are basic platform levels:

which are basic platform levels: the player moves from left to right while jumping a lot and avoiding enemies

Play game-show type bonus rounds

The Xbox 360 version has three additional

the very same place where the villainous soul of Malkil survives

NES: The Simpsons Bart vs the Space Mutants Zenkai Series Set 06 which are basic platform levels:Hello, fellow humans! Barthlomew J. Simpson here, with a very important secret: SPACE MUTANTS ARE INVADING SPRINGFIELD! That's right, man! A buncha slimy, horrible, totally gross and putrid monsters are taking over the bodies of the people who live here and they wanna build a weapon that's gonna take over the entire planet! Pretty cool, huh? Anyway, yours truly is the only one who can see 'em 'cause of my X ray glasses so it's up to me to stop 'em!