Grid Codes -

Cheat mode:
Enter the "Options" menu, select the "Cheat Codes" option, then enter one of the following codes. An "X" will appear next to that cheat's name. You can then activate the cheat by using the touch screen to place a checkmark next to it, then press .

Unlock all:
Enter 233558 as a code. Win a race to unlock everything.

Drift master:
Enter 789520 as a code.

Ghost car:
Enter 657346 as a code.

High Roller mode:
Enter 401134 as a code.

Invincibility:
Enter 161650 as a code.

MM mode:
Enter 800813 as a code.

Perfect grip:
Enter 831782 as a code.

Toy cars:
Enter 592014 as a code.