"Enter Target at Secret Unlocks Screen to unlock platinum medals for all the levels you have won, enter the code again and it will revert back to a bronze, enter it again to revert it back to a platinum." - Bikeryan24

"hold x and then press square when the words says invincibility then press start" - jason grass

"USE YOUR FRINESI AUTOMATIC 12 TO KILL THE NINJA" - MATT

"ENTER PASSPORT FOR ALL LEVELS" - CHRISTOPHER

"If you are doing multiplayer and you are doing sky rail, the phoenix base( the taller one) is a good place for sniping or shooting explosives." - ed