Unlockable: God Mode
You must get all 50 Treasure Chests sprinkled through-out Open Ocean West, Open Ocean South, Open Ocean East, Grand Occasus Canals, Underwater Caves, and Fisherman's Isle.
Unlockable: Level Select
Get all of the 45 hidden license plates in story mode. Enter Select at the main menu.
Unlockable: One Million Points
To automatically start the game with one million points, insert your profile name as "blooood" (minus the quotes).