Alien unlocked
Pause the game and press Triangle, Square, L1, Circle, R1, X, R1, X. If you entered the code correctly, you will hear a sound. Challenges 43 (Race The Chief), 48 (Bomb #5), 49 (Alien Half Pipe), and 50 (Storm HQ) will be completed. You will also have Bomb Piece #5.
Challenges completed
Pause the game and press Triangle, Square, L1, Circle, R1, X, R1, Square. If you entered the code correctly, you will hear a sound. All challenges except for 43 (Race The Chief), 48 (Bomb #5), 49 (Alien Half Pipe), and 50 (Storm HQ) will be completed. You will also have all Bomb Pieces, with the exception of #5.
Extra Points
Pause the game and press Triangle, Square, L1, Circle, R1, X, R1, X. If you entered the code correctly, you will hear a sound. You will now have 9,100,000 lift points which unlocks all lifts except for the Moon Gate. You will also have 9,100,000 equipment points, which unlocks all boards, accessories, and special tricks.
Shoot projectile
Pause the game and press Square, Circle, Triangle, R1. If you entered the code correctly, you will hear a sound. Press R2 to shoot a barrel with a projectile.
Slow-motion mode
Pause the game and press Square, Circle, Triangle, L1. If you entered the code correctly, you will hear a sound. Press L1 + R1 when in the air on during a railslide to activate slow motion mode. This mode automatically ends when you reach the ground.
All boarders
Pause the game and press Triangle, Square, L1, Circle, R1, X, R1, Triangle. If you entered the code correctly, you will hear a sound.
Costume 3
Get at least 100,000 points.
Costume 4
Get at least 150,000 points.
Costume 5
Get at least 200,000 points.
Costume 6
Get at least 250,000 points.
Costume 7
Get at least 375,000 points.
Costume 8
Get at least 500,000 points.
Costume 9
Get at least 625,000 points.
Costume 10
Get at least 750,000 points.
Costume 11
Get at least 875,000 points.
Costume 12
Get at least 1,000,000 points.
Costume 13
Get at least 1,250,000 points.
Costume 14
Get at least 1,500,000 points.
Costume 15:
Get at least 1,750,000 points.
Costume 16
Get at least 2,000,000 points.
Dynamic 3000 snowboard
Get at least 1,000,000 points.
Prototype MG snowboard
Get at least 2,000,000 points.
Slick 250 snowboard
Get at least 250,000 points.
Boost of air
When on an area that has a bomb, jump immediately before it then land on it. This requires some practice. When timed correctly, you will be able to get a quick special move in for an extra 6,000 or so points. This is useful for beginners that do not have all of their equipment yet.
Costume 2
Get at least 50,000 points.