Streak: Hoverboard Racing Codes -

All riders:
Select "Freestyle" at the main menu. Select Sierra at the character selection screen. Select "Time Trial" at the race configuration screen. Set the number of laps to "6". Turn off all Blades, and then put Edge as Blade 2. Start the race, pause game play, then quit the race. Press Triangle at the race configuration screen. Press Triangle at the rider selection screen. Quickly press Up, Down, L1, R2, R1, L2, Circle, select at the title screen. A box with "All Riders Enabled" will appear near the lower right corner to confirm correct code entry.

Spy cam:
Press Triangle, Square, Circle, Square, Triangle, Circle at the title screen.

Extra trick points:
Choose Grooves and press L1 + Up/Left + Circle off a jump to get massive points.