All Bikes Successfully complete the hardcore part of career mode to unlock all bikes.
Big Heads At the main menu, press B, X, R, L, Right. If you entered the code correctly, the lower left corner of the screen will flash and the message "Your head expands" will appear. Repeat the code to disable its effect.
Bouncy Bike At the main menu, press Up(2), Y(2), X(2). If you entered the code correctly, the lower left corner of the screen will flash and the message "Bouncy, bouncy" will appear. Repeat the code to disable its effect.
Infinite Turbo At the main menu, press Down(3), L, R, Z. If you entered the code correctly, the lower left corner of the screen will flash and the message "Need for speed" will appear. Repeat the code to disable its effect.
Low Gravity At the main menu, press Left, Right, Up, Down, B(3). If you entered the code correctly, the lower left corner of the screen will flash and the message "Feel lighter" will appear. Repeat the code to disable its effect.
No Boundaries At the main menu, press L, R, Z, L, R, Z. If you entered the code correctly, the lower left corner of the screen will flash and a message will appear. Repeat the code to disable its effect.
Tag Mode At the main menu, press Z, X, Z, X. If you entered the code correctly, the lower left corner of the screen will flash and the message "Tag you're it" will appear. Repeat the code to disable its effect.
Tiny Mode At the main menu, press L, Z, Left, Right, B(2). If you entered the code correctly, the lower left corner of the screen will flash and the message "Drink me" will appear. Repeat the code to disable its effect.
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