10x Trick Multiplier 
Hold L at the pause menu and hit: Down, Right, Up, Right, Up, Left, C-Left

Add Restart Points 
Hold L at the pause screen and hit: C-Left, C-Right, C-Down, Up, Down

Earn all tapes 
Hold L at the pause menu and hit: C-Right, Left, Up, C-Up, C-Up, Right, Down, Up

Fast Motion 
Hold L at the pause screen and hit: Right, Up, Down, Down, Up, Down

Fast Tricks 
Hold L at the pause screen and hit: C-Up, Left, C-Down, C-Down, Up, Down, Right

Get Officer Dick 
To unlock the secret character Officer Dick, get all of the tapes with one of the skaters.

Girl's Picture 
Hold L at the pause screen and hit: C-Left, C-Down, C-Right, C-Left, C-Down, C-Right, C-Right

Perfect Balance 
Hold L at the pause screen and hit: C-Up, C-Right, Left, C-Right, Right, Up, Down

Private Carrera 
Start a game in any mode with Officer Dick, pause game play, then hold L and press c-left, C-down, c-right, C-down, up, right, left. The screen will not shake. Exit the game and return to the character selection screen. Private Carrera will appear in place of Officer Dick. This character has full stats and great specials.

Slow Motion 
Hold L at the pause screen and hit: Down, Down, C-Up, C-Right, Left