Speed Kings

Enter ".prix3" to unlock three more mirrored modes in the Grand Prix.

Get gold medal on every thing in license.

Start a new game and enter ".lapt18" as a name.

To do a boost-start you just hold X and A from where it shows the racers to when it says "1" in the count-down.Then let go of X (but continue holding A)and your bike will boost forwards.

Put in the following codes for your name. Most of these have a period before them:

.meet6 - all 6 meets
.lapt18 - 18 best laps
.prix - GP mode finished
.test9 - all 9 driving tests finished
borkbork - unlock everything
.RESP54 - set respect points to 54 (Change 54 to the number you want)

To get new levels and bikes you have to beat meets. I haven't gotten all the bikes or levels yet but I'm working on it.

Go to time attack and beat the best record. This will unlock GPM FOR single & mult.

Enter "borkbork" as a name. This code also unlocks the Secret Nevada meet, the Casino Run course, and six more leathers, all GP modes, all bikes, all lids, and lap times.

Start a new game and enter ".meet4" as a name. You will unlock the New England, Detroit, London, and the Swiss Alps meets; five street racer bikes; and sixteen additional single race, time attack, trick attack, and head to head mode courses.

Cross Surfing Wheelie: Press Trick + Left Analog-stick Back + Front Brake + Kick/Punch
Donut: Hold Brake + Gas and turn in one direction with the Left Analog-stick
Endo: Press Left Analog-stick Forward + Front Brake
Handstand: Press Trick + Left Analog-stick Forward, then Kick/Punch
Handstand Powerdown: Press Trick + Skid + Left Analog-stick Forward + Power Down
Pavement Ride: Trick + Left Analog-stick Forward, then Skid
Standing Wheelie: Press Trick + Left Analog-stick Back
Surfing Wheelie: Press Trick + Kick/Punch + Left Analog-stick Back
Surfing Powerdown: Press Trick + Left Analog-stick Forward + Power Down
Surfing: Press Trick + Left Analog-stick Forward, then Left Analog-stick Back
Wheelie: Hold the Left Analog-stick Back