Fast Start
As the "Go!" sign appears, press the A button. Your character
should jump and go faster.
All Tracks, Boards, and Characters
At the "Start" screen (where you can select Start, Lesson, or
Option), press Analog Stick Down, Analog Stick Up, D-pad
Down, D-pad Up, C-DOWN, C-UP, L, R, Z, D-pad Left, C-RIGHT,
Analog Stick Up, B, D-pad Right, C-LEFT, and Start. If you've
entered the code correctly, you'll hear "Yeah!" and will start out
with all the extra mountains, boards, and the hidden character
Hidden Ninja Land Track
Earn Gold Cups on the first 8 tracks. The ending sequence will be
displayed and Ninja Land (track 9) will now be open.
Hidden Quicksand Valley Track
Earn Gold Cups on the first 6 tracks and you will be rewarded
with Quicksand Valley and another snowboard.
Hidden Silver Mountain Track
Earn Gold Cups on the first 7 tracks and Silver Mountain will open
up.
Secret Character
Earn a Gold Cup on Ninja Land and you will get the secret
character.