To unlock the Pipe Dreams track, get a Medal in all of the previous Showoff levels.

To unlock the free-form, powder-rich Untracked level, get a Medal in all of the previous Race levels.

To play as DJ Mix Master Mike, go to the main title screen. Press and hold L1 and R1, then press X, X, RIGHT, X, X, DOWN, X, X, LEFT, X, X, UP. Then select any character and he/she will be replaced by Mix Master Mike when the level begins.

Riders are unlocked in the game by completing the following tasks:

Brodi: Win one Gold Medal in World Circuit.
Zoe: Win two Gold Medals in World Circuit.
JP: Win three Gold Medals in World Circuit.
Kaori: Win four Gold Medals in World Circuit.
Psymon: Win five Gold Medals in World Circuit.
Seeah: Win six Gold Medals in World Circuit.
Luther: Win seven Gold Medals in World Circuit.

To play as Rectorator, enter your name as RECOR in World Circuit Mode. Then select any character and he/she will be replaced by Rectorator when the level begins.

On the title screen, hold L1 + R1 then press X, TRIANGLE, RIGHT, CIRCLE, SQUARE, DOWN, TRIANGLE, SQUARE, LEFT, CIRCLE, X, UP.

On the title screen, hold L1 + R1 then press TRIANGLE, TRIANGLE, RIGHT, TRIANGLE, TRIANGLE, DOWN, X, X, LEFT, X, X, UP.

On the title scree, hold L1 + R1 then press X, X, RIGHT, CIRCLE, CIRCLE, DOWN, TRIANGLE, TRIANGLE, LEFT, SQUARE, SQUARE, UP. Elise will have a Mallard Board and a blue outfit. This code only works for her.

On the title screen, hold L1 + R1 then press SQUARE, SQUARE, RIGHT, TRIANGLE, TRIANGLE, DOWN, CIRCLE, CIRCLE, LEFT, X, X, UP.

On the option screen, hold L1 + R1 + R2 + L2 then press SQUARE, TRIANGLE, CIRCLE, X, SQUARE, TRIANGLE, CIRCLE, X.