Mission skip
Start a game in trip mode. Then, hold [Ctrl] + [Shift] and type "getdown". If you entered the code correctly, Taurus will say "get down". Now all cars will attack. The current mission will be flagged as completed after you are destroyed.

Fly helicopter
Enter "retpocileh" as a name and select the Phaedra Rattler.

Drive tank
Enter "knat" as a name and select the Phaedra Rattler.

Screen shake
While playing a game, hold [Ctrl] + [Shift] and type "wiggleburger".

Larger radar perimeter
While playing a game, hold [Ctrl] + [Shift] and type "thirdnostril".

Safe falls
When your car is about to hit the ground, quickly press [F12][F12] to flip screen resolutions. Now your car will survive the otherwise fatal impact.

Fly helicopter over last level
Click on the helicopter in the top left corner of the vehicle selection screen for the last level.

View development team
Look in back when driving the school bus.

Unknown
While playing a game, hold [Ctrl] + [Shift] and type "freelance".