Get power-up when you enter a gate:

Enter exploration mode and complete three laps.
Then, enter POW as a name. Hold L1 + L2 + R1+ R2
and press X at the "OK" prompt to confirm the name.


Slow motion mode:

Enter exploration mode and complete three laps. 
Then, enter SLO as a name. Hold L1 + L2 + R1+ R2
and press X at the "OK" prompt to confirm the name.


All gates unlocked:

Enter exploration mode and complete three laps. 
Then, enter OPN as a name. Hold L1 + L2 + R1+ R2
and press X at the "OK" prompt to confirm the name.

by Amark Patra.