Aladdin Cheats (Genesis)

level 2-jafar,abu,jasmine,gennie
  level 3-gennie,jafar,alladin,abu
  level 4-abu,aladdin,gennie,jasmine
  level 5-aladdin,jasmine.abu,sultan

When in the options menu, put the cursor on 'difficulty' then push A, C, A, C, A, C, A, C,
B, B, B, B. That will give you a cheat menu. Or, in the middle of the game, pause the game
and push A, B, B, A, A, B, B, A. That will skip you to the next level.