Underground CD Volume 2-1 Cheats (PlayStation)

At the main menu of Disc 2, quickly press Circle, Square, Circle, Square, Circle, Square.

At the "Code Archive" screen of Disc 1, press Circle + Triangle, Square(2).

At the "Code Archive" screen of Disc 1, press Square + Triangle, Circle(4).

At the main menu of Disc 2, press Circle(2), Triangle, Circle(2).

At the main menu of Disc 2, press Triangle(2), Circle, Triangle(2).

At the "Imports" screen of Disc 1, press Square, Circle, Square, Triangle(2).