The Sims 2: Castaway

Cheat Gnome:
Quickly press R1, L1, Down, Square, R2 while on a lot to spawn the Cheat Gnome. It appears at different locations, depending on which island you are on, and must be found. The following codes can now be enabled, which will unlock the corresponding options on the Cheat Gnome after it is found.

All motives:
Quickly press R2, Up, X, Square, L1.

All plans:
Quickly press X, Triangle, L2, Square, R1.

All crafting resources:
Quickly press Square, Triangle, Down, X, Left.
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Maximum current food and resources:
Quickly press Left, Right, Square, R2, Square.

Maximum relationships:
Quickly press L1, Up, R2, Left, Triangle.

Add one to skill:
Quickly press Triangle, L1(2), Left, Triangle.

Bonus outfits:
Pause game play, then press Square, R2(2), Triangle, Down at the "Fashions And Grooming" screen to unlock a vest for a male and a tank top for a female.

Hint: Abducted by aliens:
Go to Crystal Island and send an SOS using the radio. Aliens will abduct you, give you a can of alien food, and drop you off.
Brandon Jones.

Glitch: Sim standing on water:
When your Sim is swimming, press Circle and select an item.
allu saarinen.