Cheat:

     Save up enough money to buy back all of your stars and then go to
the shop and buy one star. Exit to body mode and pull down the balloon
to go back to the shop Then enter to buy another star.
     Repeat  this process until you have bought back all of your stars
then re-enter the shop and you are give $100. You can now re-enter the
shop  as  many times as you like or until you have enough money to buy
any of the items on display.

Cheat:

     Did  you  know  that  there's a level warp and a hidden asteroids
game within this bizarre adventure? On level 1 buy a token and exit in
body  mode.  Use  the well handle to bring up the bucket and jump into
it.  Then  go  through  the  door on the left and use the token in the
machine. Take the left door then the hidden exit on the right. You now
find  yourself  at  the  start of a maze from which you can access the
rest  of  the  game.  Enter the maze through the door on your left. To
reach the various warp rooms follow these directions (L means left - R
means  right). Remember that if you get lost en-route you can take the
hidden door on the right in any of the maze rooms to get yourself back
to the start:

Level 1: LLLLRR
      2: RLLLR
      3: LRRLL
      4: LLRLR
      5: RRRRLL
      6: RRLLLR
      7: RLLRLL
      8: LRLRLR
      9: LLLRLL
Sound Test: RRLLRR
Wizaroids: LRRLLLR