Alternative Costumes
Complete the final castle and obtain all forty-four Entry Passes. You will now be able to buy alternative costumes for each of the four characters at specific stores. These include a turban'd ''Arabian Nights'' costume, and a maid outfit.

Make hula hoop faster
At the game over screen, push try again and then tap A rapidly to make the hula hoop go faster.

Select from your purchased costumes
When starting a game on a perfect save file, you can choose which of the costumes (that you've already purchased) your character should start wearing, by highlighting them and pushing up or down on either the analogue stick or + shaped control pad.