عندي لكم أسرار خطير في PS2 على هذه اللعبة. تفضلوا :
Starting bonus
When "Press Start" appears at the title screen, press Left(2), Right, Square(2), Right, L1, R1 to start career mode with an extra $1,000 and get the Mazda RX-8 and Nissan Skyline in quick race mode. If you entered the code correctly, you will hear a sound. Note: This code has no effect if you have already started a career.
Extra money
When "Press Start" appears at the title screen, press Up(3), Left, R1(3), Down. You will start career mode with an extra $200. If you entered the code correctly, you will hear a sound. Note: This code has no effect if you have already started a career.
Level 1 Performance Parts
When "Press Start" appears at the title screen, press L1, R1, L1, R1, Left(2), Right, Up to unlock the Level 1 Performance Parts. If you entered the code correctly, you will hear a sound.
Level 1 Visual Parts
When "Press Start" appears at the title screen, press R1(2), Up, Down, L1(2), Up, Down to unlock the Level 1 Visual Parts. If you entered the code correctly, you will hear a sound.
Level 2 Performance Parts
When "Press Start" appears at the title screen, press R1(2), L1, R1, Left, Right, Up, Down to unlock the Level 2 Performance Parts. If you entered the code correctly, you will hear a sound.
Level 2 Visual Parts
When "Press Start" appears at the title screen, press L1, R1, Up, Down, L1, Up(2), Down to unlock the Level 2 Visual Parts. If you entered the code correctly, you will hear a sound.
All circuit tracks
When "Press Start" appears at the title screen, press Down, R1(3), R2(3), Square to unlock all circuit tracks. If you entered the code correctly, you will hear a sound.
Hummer H2 Capone
When "Press Start" appears at the title screen, press Up, Left, Up(2), Down, Left, Down, Left to unlock the Hummer H2 Capone. If you entered the code correctly, you will hear a sound.
Nissan Skyline
When "Press Start" appears at the title screen, press Down(2), L1, L2, L1, L2, L1, Down to unlock the Nissan Skyline. If you entered the code correctly, you will hear a sound.
Best Buy vinyl
When "Press Start" appears at the title screen, press Up, Down, Up, Down(2), Up, Right, Left to unlock the Best Buy vinyl. If you entered the code correctly, you will hear a sound. Go to "Quick Race" and press L1 or R1 until "Sponsor Cars" appears in the top right corner of the car selection screen.
Burger King vinyl
When "Press Start" appears at the title screen, press Up(4), Down, Up(2), Left to unlock the Burger King vinyl. If you entered the code correctly, you will hear a sound. Go to "Quick Race" and press L1 or R1 until "Sponsor Cars" appears in the top right corner of the car selection screen.
ســـلام يا من رتب القلب ترتيب دامك يميني فالبقيه شمالي "واللـــه" لو دورت بين الاصاحيب ماغيرك اللي يستحق الوصالي "انــــت" الذخر والعز واغلى المكاسيب دايم بالاول والتوالي توالي..
كلمات سرية عن لعبة Need For Speed: Underground 2 
العرض العادي
