The Bike:

At the character selection screen hold L1 + R1 . Release L1, and then release R1. Now hold L1 + R1 again, then release them simultaneously. Then, press X. A ringing sound says you did it cirrectly, and your character will mount the bicycle. OR, Alternately, highlight a driver at the character selection screen, then press L1 + R1, L1 + R1, L1 + R1, then hold L1 + R1 + Up and select your player.

The Hard Way:

Alternately, beat all sixteen Crazy Box levels to open the Secret Push Bike for each character. It can be used in Crazy Box, arcade, or original modes.

Expert Mode:

At the main menu hold L1 + R1 + Start . Now continue to hold the buttons until the character selection screen appears, then press X to select the game mode and variation. The phrase "Expert Mode" will appear in the lower left corner to reveal correct code entry. No destination or arrow indicators will appear in this mode.

Disable Arrow Indicators:

Hold R1 + Start after choosing your time limit and before the character selection screen appears. The message "No Arrows" will appear in the lower left corner to confirm correct code entry.

Disable Destination Indicator:

Hold L1 + Start after choosing your time limit and before the character selection screen appears. The message "No Destination Markers" will appear in the lower left corner to confirm correct code entry.

Change It Up:

Press R1 at the character selection screen, then release it. Then, hold R1 and press X. The message "Another Day" will appear in the lower left corner to confirm correct code entry. This mode modifies various positions in the game.

Alternate Display:

Begin game play in arcade or original mode. Hold L1 + R1 and press Circle on controller two to toggle between first person and rear views. Hold L1 + R1 and press Square on controller two to view a speedometer. Hold L1 + R1 and press Triangle on controller two to zoom out to a pass-by pan. Hold L1 + R1 and press X on controller two to reset the display.

Crazy Dash:

Press Accelerate + Drive.

Crazy Stop:

Press Brake + Reverse.

Crazy Drift:

Press Left or Right while shifting as quickly as possible into Reverse, then back into Drive at a high speed.

Crazy Drift Stop:

Execute a Crazy Drift, then immediately execute a Crazy Stop.

Faster Money:

To get a good headstart in original mode, as soon as the game starts turn round and go the other way. There should be two Dark Green customers waiting to give you lots of money.
To get a high bonus for the "Crazy Through" maneuver, drive past parked cars. There are lots of parked cars next to each other in the multi-storie carpark in Arcade City, and in the Baseball carpark in Arcade City. In Original City, go to the second hand car dealers shop and drive past all the parked cars on show there. If you do it without scraping any of the cars, you can get upto a "Crazy Through 20 comobo" bonus.