Need for Speed: Porsche Unleashed/Cheats

The following cheats are for the Windows and PlayStation versions of the game.

Windows Cheats
Enter the following codes as your username when you go to "Create Player" and press "Done".
 * Gulliver - Porsches change into radio controlled cars.
 * Smash Up - Destruction derby style racing.
 * Dakar - Drive with rally physics.
 * fuzzyfuz - Enables cops in Quick Race Mode, but cops may not appear on all tracks.
 * yraGyraG - Makes all cars have 993 physics.
 * fetherw8 - Makes cars heavier.
 * freewill - Cars have double the speed in single player mode.

PlayStation Cheats
The following cheats are Miscellaneous cheats.
 * BEEM - Unlocks Modern Era (Evolution Mode only)
 * BEEG - Unlocks Golden Era (Evolution Mode only)
 * PALF - Unlocks Mission 6 in Factory Driver and the Porsche 911 GT2 (Race Version)
 * PALI - Unlocks Mission 6 in Factory Driver and the Porsche 917K

Cheat Mode
To enable "Cheat Mode", go to the credits screen and quickly press psx: Right Dpad, psx: left Dpad, psx: Up Dpad, psx: Down Dpad, psx: C, psx: S. Cheat Mode will unlock all cars and tracks in Quick Race Mode. To disable Cheat Mode, enter the code again.

Infinite speed/acceleration
This may only work in the GBA version.

This trick only works with the Moby Dick car. Select manual transmission. Once in a race, simply leave it in the first gear and hold the A button, you will continue accelerating at a constant rate. You can reach speeds of several hundred km/h! It also works in reverse.