To unlock Mick, press LEFT, RIGHT, CIRCLE, SQUARE, R2, L1, L2, R1 at the main menu.

At the main menu press these buttons: Right,Circle,Left,Left,Circle,Circle, Square,Square then you will hear a guy's voice say "yeah" to confirm.

At the main menu press: Left,Left,Square,Right,Right,Circle,R1,R1

At the main menu enter: L2, 0, R1, Square, Right, Square, R1, Square.If you entered th code correctly the announcer should say "Yeah!"

Beat the Street Tour with each character to open the blue gates you couldn't enter before. Each character you do this with will unlock two gates.

On the main menu screen, press right, right, R1, R2, left, left, L1, L2. When you enter the code correctly you will hear "yeah!"

At the main menu enter: Right, Right, R1, R2, Left, Left, L1, L2.If you entered the code corectly the announcer will say "Yeah!"

Beating the game twice with the same character unlocks an additional one.

Character    Unlocks
Ginger       Bonobo the Monkey
Frankie      Shao the Roller-blade Ninja 
Jerry        Mick
TJ           Sarah

At the main menu press: Right, Circle, Square, Left, Square, Circle, R1, L1. If you entered the code correctly you'll hear a voice say "Yeah!"

For new skateboards, beat the game once with each of the hidden characters.

If you beat the game once with Bonobo you get some new skateboards. If you beat the game twice with Bonobo you get Los Angeles in Normal or Reverse track mode.

At the last minute before you launch, do your best trick. It should get you to 41 feet if you have enough speed.

To activate Mirror Courses and Time-of-Day option WITHOUT a code, beat the game twice with each of the four hidden characters: Bonobo, Mick, Sarah and Shao.

To activate all Street Courses – including mirrored ones – and Time-of-Day option WITH a code, simply press RIGHT, Circle, Square, LEFT, Square, Circle, R1, L1 at the main menu.