Find all of the gaps in the original levels to unlock Wolverine.

Beat the Career Mode once with all goals and three Gold Medals to unlock the Sith Lord Darth Maul.

Complete the Career Mode 100% (All goals and three Gold Medals) with a created skater to unlock Officer Dick.

Moon Gravity
After pausing the game, HOLD L1 and press UP then DOWN.

Lower Gravity
After pausing the game, HOLD L1 and press RIGHT then UP.

Get Turbo Mode
After pausing the game, HOLD L1 and press LEFT, UP, SQUARE, TRIANGLE.

Get Tiny Skater
After pausing the game, HOLD L1 and press X, X, X, X, SQUARE, X, X, X, X, Square, X, X, X, X

Get Fat Skater
After pausing the game, HOLD L1 and press X, X, X, X, LEFT, X, X, X, X, LEFT, X, X, X, X, LEFT

Get Stud Mode
After pausing the game, HOLD L1 and press DOWN, X

Get Disco
After pausing the game, HOLD L1 and press LEFT, RIGHT

Get Officer Dick
Get all game goals and all gold medals in three competitions.

Get Wolverine
Clear all gaps with all regular skaters.

Get Darth Maul
Beat Career mode once and get all goals and gold medals.