If you want to change Addie's outfit all you have to do is stand in front of her wardrobe and press B. A screen will then appear where you can enter the following codes.

Unlock Outfit Number 1:
Enter the code 4B20C5

Unlock Outfit Number 2:
Enter the code N5J8HZ

Unlock Outfit Number 3:
Enter the code Z16DB5

Unlock Outfit Number 4:
Enter the code M519FH

At the Main menu choose 'Continue' and enter the following passwords to unlock the corresponding stages in the game.

Unlock 'Addie's Dream:
Ben, Geena, Addie, Brandywine.

Unlock 'Wild Style Performance':
Geena, Zach, Zach, Brandywine.

Unlock 'Addie discovers the Punch is Spiked':
Brandywine, Geena, Geena, Zach.

Unlock Addie plays with the Roundabouts:
Ben, Addie, Zach, Brandywine.

Unlock 'Addie Prepairs for a Party':
Brandywine, Geena, Addie, Ben.

Addie teams up with Cranberry and Maris:
Brandywine, Addie, Addie, Zach.

Addie recieves the Flyer for the Talent Show:
Brandywine, Zach, Brandywine, Geena.

Unlock 'Addie gets into a Dissagreement about the Talent Show':
Addie, Geena, Addie, Ben.

End of the Game:
Zach, Brandywine, Addie, Addie.

View the Credits:
Geena, Ben, Addie, Ben.

Unlock Mini Game:
Ben, Zach, Ben, Addie.