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Need for Speed Underground

Codes

Unlock Tracks and Physics

Main Title Screen (May have to try a few times)

EffectCode
Black, Black, R, Black, White, L, Down, UpAcura Integra
Black, Black, R, Black, White, L, Down, UpAcura Intergra Type R
R, Black, Down, Left, Up, Right, Left, RightAcura RSX
DOWN, R, R, R, BLACK, BLACK, BLACK, XCircuit Tracks Unlocked
RIGHT, X, LEFT, R, X, L, WHITE, BLACKDrag Tracks Unlocked
R, UP, UP, UP, DOWN, DOWN, DOWN, LDrift Physics Unlocked
LEFT, LEFT, LEFT, LEFT, RIGHT, BLACK, R, WHITEDrift Tracks Unlocked
Left, Right, Up, R, Black, R, Black, UpFord Focus
Up, Up, Down, Down, Up, Left, X, BlackHonda S2000
Black, Black, R, R, Left, Right, Left, RightLevel 1 Performance Parts
R, R, R, R, Black, Black, Left, Right.Level 2 Performance Parts
Down, Left, Up, Down, R, Black, Black, XLevel 2 Visual Parts
Up, Up, Up, Right, Down, Down, Up, RightLost Prophets
Left, Left, Left, R, R, Black, Black, WhiteMitsubishi Lancer
Up, Right, Up, Up, Down, Right, Up, RightMystical Car
Up, Down, Up, Left, Down, Down, Up, RightNismo
Up, Down, Left, Right, X, R, White, RNissan 240SX
Right, Right, Down, Up, X, L, R, WhiteNissan 350Z
Black, Black, Black, White, White, Black, Black, UpNissan Sentra
Down, Down, L, White, L, White, L, DownNissan Skyline
Up, Up, Up, Up, Down, Up, Up, RightPetey Pablo
Up, Left, Up, Up, Down, Left, Up, RightRob Zombie
UP, BLACK, BLACK, BLACK, R, DOWN, DOWN, DOWNSprint Tracks Unlocked
Up, Down, Down, Up, White, Up, White, DownSubaru Impreza
R, R, Black, R, Black, R, White, LToyota Supra

Contributed By: The Loner, UnknownFear, BNS3, Kivan, and AVexer.

Glitches

Larger Rim/Tire Size

This is for having 18"s or larger on cars that normally cannot have them (i.e. The Miata can only have up to 17"). Money, Level 2 and/or 3 Rims, you also need to be far enough in the game to have a Trade In car that has big wheels is required for this Glitch.

1. First find a car that can have larger rims than your current car (Miata 17" - RSX 19" )

2. Select Underground mode, go to Customize Ride> Trade In> Now trade your car (Miata) in for the car you found earlier (RSX).

3. Go back to Cutomize Ride>Visual>Rims and reinstall the rims you currently have (or upgrade to bigger and better things).

4. Now go back and trade in this car for your old car.

5. Enjoy your spiffy big rims that your car shouldn't have!

Contributed By: visiongirl.

Unlockables

Unlock All Visual Upgrades

To unlock all visual upgrades for single and multiplayer mode, simply complete Underground mode.

UnlockableHow to Unlock
Complete Underground mode.All Accessories
Complete Underground mode.All Body Parts
Complete Underground mode.All Decals
Complete Underground mode.All Paint Colors
Complete Underground mode.All Rims

Contributed By: Nhatters1314.