To get the scorpion car, enter the password SDSSSRT.

To get the cobra car, enter the password TRTTLL.

To access the Cheetah car, enter the password NRNNRR.

To race in the Zenith Cup go to password on the settings screen and type in the code DZPHHH.

To get the panther car, enter the password YMSTTR.

Track        Password
Crystal Cup  LGSSSX
Dimond Cup   CRKKYY
Master Mode  PXPRTS

To unlock all cars and tracks, enter the password WLLYDD or WLLVDD.