Crazy Taxi

Please enter these at the driver/car selection screen:
[Crtl]+[Alt]+[Shift]+[F8] - Another day level.
[Crtl]+[Alt]+[Shift]+[F9] - Bike taxi (cycle-rickshaw).
[Crtl]+[Alt]+[shift]+[F7] - Expert mode.
[Crtl]+[Alt]+[Shift]+[F6] - No arrows.
[Crtl]+[Alt]+[Shift]+[F5] - No destination marks.
[Ctrl]+[Alt]+[Shift]+[F2] - Reset system during game.

Flip over trucks and buses:
Go to the highway in arcade mode and drive on the
high lane. Then, knock a truck that says "wow" off
the high lane onto the low lane into a truck or bus.

More money:
Your passenger will get excited and give you more
money when you pass other drivers on the road.