Challenge mode tracks
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Enter 290771 as a password to unlock tracks
4 and 5 in challenge mode.
Time attack tracks
------------------
Enter 131095 as a password to unlock track 4 in
time attack mode.
Slalom tracks
-------------
Enter 310169 as a password to unlock track 5 in
slalom mode.
Bonus track
-----------
Enter 020971 as a password to unlock a bonus track under
challenge mode under the time option.
This code is revealed after race attack mode is completed.
