PS2
Get All Cars
Go to the main menu and press Triangle, L2, Triangle, R2, Triangle, L2, Triangle, R2
PS2
Level Skip
During play press Up, Down, Up, Down, Left, Right, Left, Right, Down, Left, Up, Right
PS2
Get All Cities
Go to the main menu and press Triangle, L1, Triangle, L1, Triangle, R1
PS2
Get Bonus Levels
Go to the main menu and press Triangle, L1, Triangle, R1, Triangle, L2, triangle, R2
PS2
Get More Time and continues
During play press Up, Down, Up, Down, Left, Right, Left, Right, Up, Left, Down, Right
PS2
Get Blue Hot Rod
At the main menu press Down, Square, Down, R1, Right, Right, Up, Left, Circle, Circle, L2, L1
PS2
Put Motion Blur On
At the main menu press Up, Left, Circle, Down, Right, Square, Up, Down, Left, Right, Circle, Square. Now a slider bar in the options menu will show up