Need for Speed: Porsche Unleashed (PlayStation)
CheatingDome.com
Cheat mode
At the credits screen, quickly press Right, Left, Up, Down, Circle, Square.
Golden era
First enable cheat mode then select evolution mode and enter BEEG as your name.
Mission 6 and GT2 car
First enable cheat mode then enter PALF as your name.
Mission 9 and 917K car
First enable cheat mode then enter PALI as your name.
Modern era
First enable cheat mode then select evolution mode and enter BEEM as your name.