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 ".resp" followed by a space and
a number as a name to begin with the indicated amount of
Finish all nine driving tests with gold:
Start a new game and enter ".test9" as a name.
Win all six meets:
Start a new game and enter ".meet6" as a name.
New meets, street racer bikes, and more courses:
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
GP Mode completed:
Start a new game and enter ".prix" as a name.
Additional mirrored GP modes:
Enter ".prix3" to unlock three more mirrored modes in the
Start a new game and enter ".lapt18" as a name.
Win a gold medal in each event.
Grand Prix mode:
Beat the top record in time attack mode.