Grooverider - Slot Car Thunder - Gamecube
Cheatmode:
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Select "Single Player" at the main menu. Select the "Time Trial",
then enter a name to unlock the "Cheats" option at the main menu.
Select the "Cheats" option, then enter one of the following codes to
activate the xheat function.
Master code:
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Enter MARK as a code to unlock all bonuses and the "Ghost Mode" option.
Credits:
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Enter BGM as a code to view the credits sequence.
Bedroom car:
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Finish first in the Dining Room track two times in the 3V class.
Eagle car:
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Finish first in the Dining Room track in the 3V class.
GT Sport car:
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Finish first in the 3V and 6V class in championship mode.
Harrier car:
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Finish first in the Dining Room track in the 3V class.
Sprit car:
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Finish first in the Dining Room track in the 3V class.