Enter one of the following codes at the career menu to activate the corresponding cheat function.

give me big upgrade - All upgrades
got some money - $10,000 dollars

Overhead replay view
Press [F12] during a replay for an overhead view. Press the keys on the numeric keypad to adjust the camera view.

Lamborghini
Select "Options", then choose "Hacks". Type "Morepowerthebetter" to unlock a Lamborghini.

More money
Select "Options", then choose "Hacks". Type "getdamoneyfast".

No break downs
Select "Options", then choose "Hacks". Type "Morphene".

Other cars
When going into "Hacks" you can select new cars such as sports car, air plane, exotic, etc. You also can get horn balls which wreck the other drivers.

Drive on water
Enter Quick Race mode and disable damage. Select Rock Island as a course, and go past the lighthouse to the side of the castle. Drive off the ledge onto the water, but do not go too far.

Shortcut
When racing on the first track, you can save some time by driving over the grass where the "S" turn is located.