Pipedream Course:
     To unlock this you have to win a medal on all Showoff courses.

Untracked Course:
     To unlock this you have to win a medal on all Race courses.

Cheat Mode
     At  the  options  screen,  hold L1 + L2 + R1 + R2 and press Down,
Left,  Up,  Right,  X, Circle, Triangle, Square to unlock all courses,
characters,  boards,  and costumes. If you entered the code correctly,
you will hear a sound. Repeat this code to disable it.

Maximum Attributes
     At  the  options  screen,  hold L1 + L2 + R1 + R2 and press X(7),
Square.  If  you  entered  the  code correctly, you will hear a sound.
Alternately,  hold L1 + L2 + R1 + R2 and press Circle(5), X, Triangle,
Square.  For  the Japanese version of the game, hold L1 + L2 + R1 + R2
and press Square, X(7). Repeat this code to disable it.

All Course Hints
     At  the  options screen, hold L1 + L2 + R1 + R2 and press Circle,
X,  Circle,  X,  Circle,  X, Circle, X to view all course hints before
racing  a  course.  If you entered the code correctly, you will hear a
sound. Repeat this code to disable it.

Running Man Mode
     At  the  options screen, hold L1 + L2 + R1 + R2 and press Square,
Triangle,  Circle,  X, Square, Triangle, Circle, X. If you entered the
code correctly, you will hear a sound. Repeat this code to disable it.

Mallora Board
     At  the  options  screen,  hold  L1  +  L2  +  R1  + R2 and press
Circle(5), X, Triangle, Square. If you entered the code correctly, you
will  hear  a  sound. No matter what board you choose you will use the
Mallora  board. The Mallora board gives you a longer jumping distance,
longer  air,  and faster rotation while doing tricks. Repeat this code
to disable it.

Low Gravity
     At  the  options screen, hold L1 + L2 + R1 + R2 and press Square,
Triangle, Left, Right, Up. If you entered the code correctly, you will
hear a sound. Repeat this code to disable it.