Unlock the following tacks by performing the corresponding tasks:
TRACK - HOW TO UNLOCK Lab Basement - Complete Adventure mode under the Hard difficulty or all four Arcade Cups under the Hard difficulty. North Bowl - Complete Adventure mode on Medium or all four Arcade Cups under the Medium difficulty. Parking Lot - Complete all four Arcade Cups under the Easy difficulty or complete Adventure mode under the Easy difficulty. Turbo Track - Obtain all 5 Gems.