To see your car take flight in replays, go to the Secrets Screen in the Extras menu and enter this code: floatylight

To improve your acceleration and top speed, go to the Secrets screen (in the Extras menu) and enter this code: evopower.

To turn on a groovy effect, go to the Secrets screen (in the Extras menu) and enter this code: imgoingcrazy.

To play with a stripped-down car, go to the Secrets screen (in the Extras menu) and enter this code: thatsstupid.

To make your ride-along buddy spit it out, go to the Secrets screen (in the Extras menu) and enter this code: heliumaid.

To make the screen look like you're underwater, go to the Secrets screen (in the Extras menu) and enter this code: wibblywobbly

To see everything all upside-downy (like they do in Australia), go to the Secrets screen (in the Extras menu) and enter this code: ontheceiling.

To unlock all bonus stages, go to the Secrets screen in the Extras menu and enter this code: gimmebonus.

To unlock everything, go to the Secrets screen in the Extras menu and enter this code: opensesame.