Unlock All Tracks
Go to the options screen and set the difficulty to "Amateur", and the trophy presenter to "Male". Now go to the main screen and press Up, Right, Down, Left, Up, Right, Down, Left. Press Left, X then return to the options screen. Set the difficulty to professional and the trophy presenter to "Rider's Choice". Go back to the main screen and press Up, Left, Down, Right, Up, Left, Down, Right. If you entered the code correctly, you will hear the sound of coins. Note: This will also enable the "Master" difficulty level.
View All Riders
Select the "Amateur" difficulty level, turn off turbos, and disable the grapple at the options menu. Hold L1 and select the "Credits" option.
View All Endings
Select the "Amateur" difficulty level, turn off turbos, and disable the grapple at the options menu. Then, hold L2 and select the "Credits" option.
Select "Dakota" as a racer, then enter the options screen from the main menu. Set the number of laps to "2", and the trophy presenter to "Female". Then, hold R2 and select the credits option.
Codes Enabled Mode
Go to the options screen, set the difficulty level to "Professional", the laps to "6", then go to the main screen and press Circle(3), Square, Triangle(2), Square, Triangle. The following codes may now be entered:
Press Down, Circle, Left, L1, Left, Right, Left, Right. This will make tricks easier and faster to execute.
Press Triangle, Up(2), L2(2), Up(3). This will make your vehicle run at turbo speed all the time.
Two-player mode with other bikes
Press Circle, Square, R2, Circle, Triangle, L2, Right, Up. This will make it so two players can complete against the rest of the racers, for a total of 20 bikes racing!
Press Triangle, Circle, Right, R2, Up, Square, Up, Triangle.
Double stunt points
Press Right, Up, Circle, L2, Triangle, Circle, R1, R2.
Press Square, L1, Triangle, Right, L1, Down, R2, Triangle.
Press R1, R2, Right, L2, Up, Circle, Up, Circle.
Press Up, R2, R1, Right, L1, Square, Right(2).
Press Triangle, Down, Square, Triangle, L1(2), R1(2).