Need for Speed: Underground 2 is a cross-platform racing video game and the eighth installment in the Need for Speed series, the direct sequel to Need for Speed: Underground. Tracks 1-6 play in the main menu, tracks 7-27 play during races. Tracks 31-36 are from the Playstation Portable spin-off Underground Rivals. Tracks 37-39 were deleted from the final version of the game. See Wikipedia for more details.