All game cheats you need
Level 1 Performance Parts Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press R2, R2, R1, R1, Left, Right, Left, Right. 
Level 2 Performance Parts Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press R1, R1, R1, R1, R2, R2, Left, Right. 
Level 2 Visual Parts Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press Down, Left, Up, Down, R1, R2, R2, Square. 
Get Acura Integra Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press R2, R2, R1, R2, L2, L1, Down, Up. 
Get Acura RSX Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press R1, R2, Down, Left, Up, Right, Left, Right. 
Get Ford Focus Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press Left, Right, Up, R1, R2, R1, R2, Up. 
Get Honda S2000 Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press Up, Up, Down, Down, Up, Left, Square, R2. 
Get Hyundai Tiburon Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press Left, Right, Left, Right, Up, Down, Up, Down. 
Get Lost Prophets car Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press Up, Up, Up, Right, Down, Down, Up, Right. 
Get Mitsubishi Lancer Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press Left, Left, Left, R1, R1, R2, R2, L2. 
Get Mystikal car Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press Up, Right, Up, Up, Down, Right, Up, Right. 
Get Nissan Nismo Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press Up, Down, Up, Left, Down, Down, Up, Right. 
Get Nissan 240SX Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press Up, Down, Left, Right, Square, R1, L2, R1. 
Get Nissan 350Z Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press Right, Right, Down, Up, Square, L1, R1, L2. 
Get Nissan Sentra Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press Right, Right, Right, L2, L2, R2, R2, Up. 
Get Nissan Skyline Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press Down, Down, L1, L2, L1, L2, L1, Down. 
Get Petey Pablo car Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press Up, Up, Up, Down, Up, Up, Right. 
Get Rob Zombie car Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press Up, Left, Up, Up, Down, Left, Up, Right. 
Get Subaru Impreza Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press Up, Down, Down, L2, Up, L2, Down. 
Get Toyota Supra Entry Location:
Enter the cheat at the main menu.
Go to the main menu and press R1, R1,R2, R1, R2, R1, L2, L1. 
Drift Physics for all cars Entry Location:
Enter the cheat at the main menu.
R1 ,Up, Up, Up Down, Down, Down, L1
Unlock More Stuff After Underground Mode
After you have completed Underground Mode you may not have all of the unlockables so go into quick race and do any mode you like (Drift Mode Get you Most Style Points) you need 2 fill the Style Points bar...each time you fill the bar you get more unlockable
Get Nismo Sentra
Go to the free run mode and select the Sentra (must have the regular Sentra to get the Nismo) race for 25 laps and you will see the car in your hands
Submitted By: Punk2586.
More tricks, tips and cheats for this game are right here - Need for Speed Underground cheats
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