Enter the codes below at the Main Menu:

Unlimited Turbos:
C-Right, Z, C-Up, C-Down, R, C-Left, Z, C-Right

Night Racing:
C-Up, C-Up, C-Down, C-Down, C-Left, C-Right, C-Left, C-Right

Play in Stealth Mode:
C-Left, Z, Z, C-Up, C-Left, R, C-Down, C-Up

Play in Wire Frame Mode:
C-Up, Z, C-Down, C-Left, C-Up, Z, C-Down, C-Left

Unlcok Tow-Jam Car:
C-Up, C-Down, Z, R, C-Left, C-Right, C-Up, C-Down

Mirror Tracks:
Z, R, Z, Z, R, Z, Z

Access Hidden Cars:
Enter the following as a password:
9PTNPTFN6P NMQPPNPPPL

Access Bonus Trucks/Cars:
Enter the following as a password:
99T8DTY8VD D7BDDDDDD2