All Arenas

From the Main Menu, go to "My Corner", and highlight "Create Boxer". Hold Left for 1 second, Right for 1 second, Left for 1 second, and Right for 1 second... A chime should confirm your code.

Big Head

From the Main Menu, highlight "Play Now". Hold Left for 1 second, Right for 1 second, and Left for 1 second... A chime should confirm your code.

Big Tigger

From the Main Menu, go to the "Record Books" and highlight the "Most Wins" screen. Hold Up for one second.