Here are some cheats and tips for the game F1 World Grand Prix.
Gold Racer:
Go into Exhibition mode and select Driver Williams. Using your Control
Stick, edit his last name to “Pyrite.” Exit all the way to the Start
screen, then re-enter. A new Gold Driver will be available in
Exhibition, Time Trial and 2 Player mode.
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Hawaiin Bonus Track:
Go into Exhibition mode and select Driver Williams. Using your Control
Stick, edit his last name to “Vacation.” Exit all the way to the Start
screen, then re-enter. You’ll find a bonus track after the European
Grand Prix.
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Silver Racer:
Go into Exhibition mode and select Driver Williams. Using your Control
Stick, edit his last name to “Chrome.” Exit all the way to the Start
screen, then re-enter. A new Silver Driver will be available in
Exhibition, Time Trial and 2 Player modes.