This code gives you every level, every skateboard, every character, and a ton of money. While skating, pause the game, hold L, and hit Start, A, White, Up, Right, Down, A, Y, B, A, B, Y (it'll spell out "SATURDAYBABY").
All Levels
Pause the game, then hold L and press Down, Up, Left(2), B, A, B, Y to unlock all levels. If you entered the code correctly, the pause screen will shake.
