A-Train

Infinte Money:
At the title screen, press L1 + L2 + R1 + R2, then press Square + Triangle, Start. The Map Selection screen will appear, and hold L1 + L2 + R1 + R2 and press Circle. If done correctly, you'll hear a sound. To increase your money, pause the game, then press LEFT, RIGHT, UP, or Down to increase the amount of money.

 