Shell Phone Cheat Codes
Go to the shell phone in between the sofa and the chair downstairs, and enter in these handy codes.
2626 - Unlocks all costumes (toggle between them in the closet)
6647 - Unlocks black and white mode (turn on/off at shell phone)
3141 - Gives you more Happiness Nuggets (still unsure how many)
Find the Sleepy Patricks!
If you happen to find all of the hidden Sleepy Patricks, (they are all in large crates that are normally hidden from view) the game will congratulate you, and tell you the password for black and white mode (6647).
SpongeBob's Truth or SquareMore guides, cheats and FAQS