Magnet Pegs:
Enter Y, Up, Y, Up, Y, Down, Y, Down, Left, Stick to get magnet pegs.
Shield:
To get the magnet pegs cheat, hold the left and right triggers at the main menu screen, while entering Left, Right, X, B, Y, A, Up, Down, L-Stick.
Anti Gravity:
To get the magnet pegs cheat, hold the left and right triggers at the main menu screen, while entering Up, Up, Left, Right, Up, Up, Up, Up, L-Stick.
Extra Life:
To get the magnet pegs cheat, hold the left and right triggers at the main menu screen, while entering Y, A, X, B, Up, Left, Down, Right, L-stick.
Super Spin:
To get the magnet pegs cheat, hold the left and right triggers at the main menu screen, while entering Left, Up, Right, Down, Down, Right, Up, Left, Left, Stick.
Bonus Level:
To play the bonus Mad Scientist level, you must find a star object somewhere in the game. You can find one in the castle part of the Sherwood forest level, once you find it, the level will be unlocked in all non-Underground game modes.
All Bikes:
Press Down, Up, Right, Right, Right, Right, Right, Right, Left Thumbstick.
All Levels:
Press Up, Left, Left, Up, Right, Right, Right, Left Thumbstick.
All Movies:
Press Right, Up, Down, Down, Up, Right, Down, Down, Left Thumbstick.
All Music Tracks:
Press Right, Right, Right, Right, Right, Right, Up, Down, Left Thumbstick.
All Riders:
Press Left, Up, Down, Right, Up, Down, Up, Right, Left Thumbstick.