Unlock Plaza Battle Arena:
 
To unlock the Plaza battle arena you must
accumulate a score of 250 points. 


Unlock Roadkill Battle Arena: 

To unlock the Roadkill battle arena you must
accumulate a score of 500 points. 


Unlock The Mission: 

To unlock the Mission track, you must first
complete the Beginner Circuit with a placement
of third place or better. 


Unlock Downtown Battle Arena:
 
To unlock the Downtown battle arena you must
accumulate a score of 100 points.


Unlock The Presidio:
 
To unlock the Presidio track, you must first
complete the Intermediate Circuit with a 
placemant of third place or better.