At the options screen hold R2 and press Up, Up, Down, Down, Left, Right, Left, Right, Square, Circle, Square, Circle. This brings up the Cheat Name screen, where you can enter the following:
Case Sensitive Codes:
Code ResultTopBird Stay on Jet-ski
AllOutAI Harder AI
Festival All rider movies
AllChar All characters
Peepshow All characters including steve and the Bermuda Triangle levelPassport All courses
LaPinata All character swinsuits (each has about 10)
Level 1 Tricks:
Cordova - L2 + Up
Lazy Boy - L2 + Down
Heart Attack - L2 + Left
Double Cancan - L2 + Right
Spade - R1 + Up
Rollover - R1 + Down
Saran Wrap - R1+ Left
Seat Surf - R1 + Right
Handlebar Handstand - R2 + Up
Superman - R2 + Down
Nac Nac - R2 + Left
Shin Grab - R2 + Right
Level 2 Tricks:
Air Walk - L2 + Up, Down, Up
Cliffhanger - R2 + Down, Up, Down
Rack - R2 + Up, Up, Down
Whirlybird - R2 + L3 (move in a circle in counter clockwise direction starting at top)
Metronome - R2 + L3 (half circle in counter clockwise direction starting at left and ending at right)
Roundhouse - R1 + L3 (half circle in counter clockwise direction starting at right and ending at left)
Tumbleweed - R1 + down + L3 (half circle in counter clockwise direction starting at top and ending at bottom)
Doubledouble Cancan - R2 + Right, Left, Right
Rear Handstand (R1 + R2) + Down, Up, Down
Bicycle Kick - R2 + right + L3(half circle in counter clockwise direction starting at left and ending at right)
Level 3 Tricks:
Backflip (R1 + R2) + Down, Down
Pommel Horse - R1 + Right, Left, L3(full circle, counter clockwise starting at bottom)
Wu Ping Crane - R2 + Up, Down, L3(full circle, counter clockwise starting at top)
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GameShark Codes
(M)Must Be On ECB15E9C141B74EC
Unlock Andy's Movie
4CF585501456E7A6
Unlock Haily's Movie 4CF585541456E7A6
Unlock Juana's Movie
4CF585581456E7A6
Unlock Sebastian's Movie
4CF5855C1456E7A6
Unlock Rafael's Movie
4CF585601456E7A6
Unlock Amman Ra's Movie
4CF585641456E7A6
Unlock Kyoko's Movie
4CF585681456E7A6
Unlock Jeremy's Movie
4CF5856C1456E7A6
Seoul Open Arcade Mode
4CF582A01456E7A6
Lake Quilotoa Open Arcade Mode
4CF582A41456E7A6
Nice Open Arcade Mode
4CF582A81456E7A6
Loch Ness Open Arcade Mode
4CF582AC1456E7A6
Madrid 2 Open Arcade Mode
4CF582B01456E7A6
Kuta Beach Open Arcade Mode
4CF582B41456E7A6
Tokyo Open Arcade Mode
4CF582B81456E7A6
Nile River Open Arcade Mode
4CF582BC1456E7A6
Seoul 2 Open Arcade Mode
4CF582C01456E7A6
Venice Open Arcade Mode
4CF582C41456E7A6
Bering Straight Open Arcade Mode
4CF582C81456E7A6
Amazon River Open Arcade Mode
4CF582CC1456E7A6
Lake Havasu Open Arcade Mode
4CF582D01456E7A6