All Monsters in Monster Gallery
Hold L and R and press X, Y, X, Y, Y, X, Y, X

Bubble Bowl Power Up
Hold L and R and quickly press X, Y, X, Y, X, X, Y, Y

Increased Health
While standing near a villager hold L and R and press Y, Y, Y, Y, Y, X, Y, X, X, X, Y, Y

Small Villagers
Hold L and R and quickly press Y, Y, Y, Y, Y, X, Y, X, Y, X, Y, X

1,000 shiny objects:
Pause game play, then hold L + R and quickly press Y, X(2), Y(2), X(2), Y. A sound will confirm correct code entry.

10 Golden Spatulas:
Pause game play, then hold L + R and quickly press X, Y(2), X(2), Y(2), X. A sound will confirm correct code entry.

Restore health:
Pause game play, then hold L + R and quickly press X(4), Y, X, Y, X, Y(4). A sound will confirm correct code entry.

Additional health:
Stand near a pedestrian. Pause game play, then hold L + R and quickly press Y(5), X, Y, X(3), Y(2). A sound will confirm correct code entry.

Shiny objects are worth more:
Pause game play, then hold L + R and quickly press Y, X, Y, X(2), Y, X(3), Y(4), X(2), Y. A sound will confirm correct code entry.

Pedestrians and partners give shiny objects:
Pause game play, then hold L + R and quickly press Y(5), X, Y, X, Y, X(2), Y. A sound will confirm correct code entry. Then, double jump near a pedestrian or partner.

Pedestrians give shiny objects when hit:
Pause game play, then hold L + R and quickly press Y(5), X, Y, X(2), Y, X, Y. A sound will confirm correct code entry.

Bubble bowl power-up:
Pause game play, then hold L + R and quickly press X, Y, X, Y, X(2), Y(2). A sound will confirm correct code entry.

Cruise bubble power-up:
Pause game play, then hold L + R and quickly press Y, X, Y, X, Y(2), X(2). A sound will confirm correct code entry.

Cruise Bubble has cruise control:
Pause game play, then hold L + R and quickly press X(4), Y(2), X(2), Y, X, Y(2). A sound will confirm correct code entry.

All monsters in the Police Station gallery:
Pause game play, then hold L + R and quickly press X, Y, X, Y(2), X, Y, X. A sound will confirm correct code entry.

Unlock art gallery in theater:
Pause game play, then hold L + R and quickly press Y, X, Y, X(2), Y, X, Y. A sound will confirm correct code entry.

Pantless SpongeBob:
Pause game play, then hold L + R and quickly press X(4), Y, X(2), Y, X, Y(2), X. A sound will confirm correct code entry.

Giant plankton:
Pause game play, then hold L + R and quickly press Y(4), X, Y, X, Y, X(4). A sound will confirm correct code entry.

Small Patrick, Mr. Krabs, Squidward, and Sandy:
Pause game play, then hold L + R and quickly press Y(4), X, Y, X, Y(5). A sound will confirm correct code entry.

Small people (fishes):
Pause game play, then hold L + R and quickly press Y(5), X, Y, X, Y, X, Y, X. A sound will confirm correct code entry.

Higher difficulty:
Pause game play, then hold L + R and quickly press X(3), Y(2), X(4), Y, X(3), Y, X(2). A sound will confirm correct code entry.

Always shrapnel death animation:
Pause game play, then hold L + R and quickly press X(3), Y(2), X, Y, X(3), Y. A sound will confirm correct code entry.

Invert camera controls left ad right:
Pause game play, then hold L + R and quickly press Y(2), X(4), Y(2). A sound will confirm correct code entry.

Invert camera controls up and down:
Pause game play, then hold L + R and quickly press Y, X(6), Y. A sound will confirm correct code entry.