Ramp Up Tourney Difficulty:
To increase torunament difficulty, go to the tournament screen and press UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, L1, R1.

Toggle Underwater View:
While trolling, press UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, L1, R1.

Save Your Thumb:
In order to reel your line in without the analog stick, press UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, L1, R1.

Hide Fish Mood Lens:
To hide the Fish Mood Lens, press UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, L1, R1 while casting.

Aquarium Surprise:
Select All View in Aquarium Mode and press UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, L1, R1. This will place the Wreck of the Robot in your aquarium.

Free Fish:
To get free fish at night, go to the Free Fish Time Setting and press UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, L1, R1.