Get Mystery Rider:
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To get Mystery Rider beat all the tracks on easy
mode then he will sometimes be choosable.P.S the
Mystery Rider is Plankton from the T.V. show
Spongebob Squarepants.
Quick start:
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Hold [Up] when the pre-race timer reaches "3".
Bonus characters:
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Win all the races under the easy difficulty setting to
unlock Mystery Rider.
Successfully complete the game three times to unlock Phil and
Lil from "Rugrats", Sid from "Hey Arnold!", Doug from "Doug",
and Otto from "Rocket Power".
Relay race turbo:
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When playing in a relay race, bump into your next person.
That person will get a turbo burst.
Plankton and bonus track:
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Successfully complete the game once to unlock Plankton and a
bonus track.