Cheat Codes
While driving on a custom track, press one of
the following keys to activate the corresponding
cheat function:

Toggle headlights = L
Toggle scenery or almost total darkness = W
Instant crash = C

Hint: Getting cars:
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One way is to hold [Ctrl] + [Shift] do to a barrel roll. Another way is get a good stunt. To get the rest of the cars, click on the trophy and at least get to the last race