This feature becomes available when you press 'Start' during gameplay to pause the game and then hold L1 + L2 + R1 + R2 and enter Square(4), Circle, Square(3).

When you play 'SpongeBob SquarePants: Battle for Bikini Bottom' on St. Patrick's day (March 17), Tubelet (the 3 robots which are stacked on top of each other) will shoot green flames and not the usual orange.

The following bunch of codes can be entered any time during the game. Press 'Start' to pause the game and when the game is paused hold L1 + L2 + R1 + R2 and enter the code for the effect you want to activate.

Unlock Expert Mode:
Press Circle(x3), Square(x2), Circle(x3), Square, Circle, Square(x3), Circle, Square(x2).

Restore Health:
Press Circle(x4), Square, Circle, Square, Circle, Square(x4).

Get 1,000 Shiny Objects:
Press Square, Circle(x2), Square(x2), Circle(x2), Square.

Increase value of Shiny Objects:
Press Square, Circle, Square, Circle(x2), Square, Circle(x3), Square(x4), Circle(x2), Square.

Get 10 Gold Spatulas:
Press Circle, Square(x2), Circle(x2), Square(x2), Circle.

Get the Bubble Bowl Power:
Press Circle, Square, Circle, Square, Circle(x2), Square(x2).

Get the Cruise Bubble Power:
Press Square, Circle, Square, Circle, Square(x2), Circle(x2).

Modified Cruise Bubble controls:
Press Circle(X4), square, circle(X2), square, circle, square(X2).

Unlock Giant Plankton:
Press Square(x4), Circle, Square, Circle, Square, circle(x4).

No Pants
Press Circle(x4), Square, Circle(x2), Square, Circle, Square(x2), Circle.

Unlock ALL Monsters in Monster Gallery:
Press Circle, Square, Circle, Square(x2), Circle, Square, Circle.

Unlock Art Gallery:
Press Square, Circle, Square, Circle(x2), Square, Circle, Square.

Unlock Shrapnel Death Spongebob:
Press Circle(x4), Square(x2), Circle, Square, Circle(x3), Square.

Villager Heal Player:
Press Square(x5), Circle, Square, Circle(x3), Square(x2).

Cheery Villagers:
Press Square(x5), Circle, Square, Circle, Square, Circle(x2), Square.

Villagers give Dollar when Hit:
Press Square(x5), Circle, Square, Circle(x2), Square, Circle, Square.

Panhandlers:
Press Square(x5), Circle, Sqaure, Circle, Square(x2), Circle(x2).

Swap camera Controls Up and Down:
Press Circle(x4), Square, Circle(x6), Square.

Swap camera Controls Left and Right:
Press Circle(x4), Square(x2), Circle(x4), Square(x2).

Unlock Small People:
Press Square(x5), Circle, Square, Circle, Square, Circle, Square, Circle.

Unlock Baby Co-Stars:
Press Square(x4), Circle, Square(x5).

At the 'Extras' menu go to 'Cheats' to enter the following codes to unlock the corresponding.

Unlock 30,000 Z' Coins:
ROCFISH

Unlock Alternate Skin for Patrick:
PATRICK

Collect 100 Golden Spatulas to unlock the alternate ending sequence.