Unlock Kaadu Racers:
At main menu enter L1, R1, L2, R2.
Unlock Shark Racers:
At main menu enter Up, Right, Down, Left, Select.
Unlock Space Freighteron Arena:
At main menu enter L1, R1, Select, Circle.
Infinite Boost:
At main menu enter L1, R2, L1, R2, Square, Select.
Race as Boba Fett:
At the main menu, press Square, Circle, Triangle, Circle, Square.
Disable Boba Fett:
At main menu type Square, Circle, Cirle, Square. If done correctly then a message
will say Boba fett has left the building.
Race as AAT Battle Tank:
At the main menu, press Circle, Triangle, Square, Circle, Triangle, Square.
Unlock Vader:
Place first in Galaxy circuit with Anakin to unlock Darth Vader.
Unlock Galaxy Circuit:
On all 3 tracks, finish in the top three racers.
Unlock Mirror Mode:
Use any character to finish Galaxy Circuit with a Gold Medal.
Thanks to Revolution readers Grimlok and Matthew Tatham!