To unlock these tracks, unlock certain grids in Campaign Mode.
Track - How to unlock
Corridon 12 - Unlock Turblence Grid In Campaign Mode.
Modesto Heights Reverse - Unlock Voltage Grid In Campaign Mode.
Pro Tozo - Unlock Impact Grid In Campaign Mode.
Syncopia - Unlock Aftermath Grid In Campaign Mode.
Talon's Junction Reverse - Unlock Impact Grid In Campaign Mode.
Tech De Ra - Unlock Impact Grid In Campaign Mode.
Tech De Ra Reverse - Unlock Voltage Grid In Campaign Mode.
The Amphiseum Reverse - Unlock Turblence Grid In Campaign Mode.