Enter the following codes as cheats at the cheat menu.

Directions such as LEFT and RIGHT are the arrows you can enter.

All bonus characters - DOWN, RIGHT, RIGHT, DOWN, LEFT, DOWN, LEFT, DOWN, RIGHT, RIGHT, RIGHT

Juice regeneration - LEFT, LEFT, RIGHT, RIGHT, LEFT, RIGHT, DOWN, UP, UP, DOWN, A

Low gravity wallride - UP, DOWN, UP, DOWN, LEFT, RIGHT, LEFT, RIGHT, A, B, A, B, S

Super Spin - LEFT, LEFT, LEFT, LEFT, RIGHT, RIGHT, RIGHT, RIGHT, LEFT, RIGHT, LEFT, RIGHT, UP.

Unlock all Characters - DOWN, RIGHT, RIGHT, DOWN, LEFT, DOWN, LEFT, DOWN, RIGHT, RIGHT, RIGHT.

Unlock all Levels with full stats - UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, BABA.

Cheats:
Cheats are unocked by collecting all juice boxes in a level. Once you have done this a cheat code will be shown to you.

FMV sequences:
Complete all the normal challenges in a level to unlock its FMV sequence.

Invincibility
Go to the Cheats screen and enter: KHUFU.

Perfect Grinds
Go to the Cheats screen and enter: BIGUPYASELF.

Perfect Handplants
Go to the Cheats screen and enter: JUSTINBAILEY.

Perfect Manuals
Go to the Cheats screen and enter: QUEZDONTSLEEP.

Have All Keys
Go to the Cheats screen and enter: SKELETON.

Full Juice Bar
To always keep your juice bar full, go to the Cheats screen and enter this code: BAKABAKA.

Successfully complete the normal and hidden challenges in the following level to unlock the corresponding extra characters.

Movie Lot: The Bride
Civic Center: Goddess
Industrial: Junkie
Boardwalk: Captain
Cannery: Diver
Airfield: Bombshell
Museum: Mummy