At the main menu, select the Extras option. Then, choose the Enter Codes selection and enter one of the following codes. Choose the Activate Bonus Items selection under the Extras menu to activate the cheats.

Level select
Enter GUDGEON as a code.

All bonus games
Enter PORKPIE as a code.

Unlimited fuel in flying levels
Enter GASSY as a code.

Unlimited health in platform levels
Enter VIGOR as a code.

Unlimited time in driving levels
Enter EMCSQR as a code.

All Sleepy Seeds
Enter SCOOTLES as a code.

Sleepy Seed Detector
Enter TISSUE as a code.

30000 Z
Enter ROCFISH as a code.

Play as Tuxedo Patrick in the "Starfish To The Rescue" level
Enter PATRICK as a code.

Play as Pirate Patrick in the "Rooftop Rumble" level
Enter PIRATE as a code.

Play as Punk Spongebob in the "Diesel Dreaming" level
Enter SPONGE as a code.

Play as Spongebob Plankton in the "Super-Size Patty" level
Enter PANTS as a code.

Play as Astronaut Plankton in "Revenge Of The Giant Plankton" level
Enter ROBOT as a code.

Aviator Spongebob costume
Enter PILOT as a code.

Exposed-Brain Spongebob costume
Enter BRAIN as a code.

Skeleton Spongebob costume
Enter KRABBY as a code.

Spongebob's flame effect color
Enter FLAMES as a code.

Inventor Plankton costume
Enter INVENT as a code.

Patrick's purple rocket
Enter BUNRUN as a code.

Safari Patrick costume
Enter SAFARI as a code.

Skeleton Patrick costume
Enter BONES as a code.

Spongebob's Hypnotic car skin
Enter HYPCAR as a code.

Spongebob's Squeaky Duck Gun
Enter DUCKGUN as a code.

New ship in the "Rocket Rodeo"level
Enter SPACE as a code.

New vehicle in the "Diesel Dreaming"level
Enter HOTROD as a code.

Different laser color in "Revenge Of The Giant Plankton" level
Enter LASER as a code.

Different rocket for Patrick in "Hypnotic Highway" level
Enter ROCKET as a code.

Alternate Plankton hovercraft
Enter HOVER as a code.

New effect for Patrick's star spin on "Starfish Man To The Rescue" level
Enter SPIN as a code.