Cheat Codes:
     Enter one of the following when asked to enter your name:

Code                    Effect
Silkysmooth             60 fps
Openroads               All tracks
Diddycars               Micro Machine cars
Tinfoiled               Chrome car
Moonwalk                Low gravity
Skcart                  Reversed tracks
Whitebunny              Reversed tracks
Trolley                 4 wheel steering
Peasouper               Adds fog
Buttonbash              Power accelerator
Heliumnick              Co-driver has a squeky voice
Directorcut             Different camera angles in replay
Kitcar                  Turbo boost
Moreoomph               Double engine power 
Forklift                4 wheel steering 
Blancmange              Jelly car. 
Nightrider              Race in the dark plus you will notice that some of the
                        blocked of roads are now open. If you go down them 
                        then the car will stop and the lights will go off , 
                        then a beam of light will flash on to the car and lift
                        it in to the air
Hovercraft              'Back to the Future' style flying cars 

Free driving:
     In  the fifth track of Australia type in the code "diddycars" and
after  the jumps which are after the train track there will be a fence
which  will  come  in and then run along the side of the road. just at
the  corner,  where  the fence starts there is a gap and drive through
and you are out in the open and away from the track.