Successfully complete each of the four parking levels to unlock an additional parking level. Successfully complete the bonus parking level to unlock a sixth parking level.
Game Shark Codes
Master Code (Must Be On) EC8935C8 1440C69C
Press L1 For More Time D05F8D02 0000FBFF103037A4 0000EA30
Press R2 + L3 For K.I.T.A. Turbo 0CCA0E26 1456B20A4CE4C6AE 14562555
Press R1 For Max Cash 0CCA0E26 1456B80C1CA7B8C4 14BE598C0CCA0E26 1456B80C1CCD7094 14BE598C