The Sims 2: Castaway

Cheat Codes:

All crafting resources available:
Quickly press L, R, Up, X, R while on a lot in Live mode to spawn the
Cheat Gnome, then quickly press Square, Triangle, R, Down, Down, Up.

All plans available:
Quickly press L, R, Up, X, R while on a lot in Live mode to spawn the
Cheat Gnome, then quickly press X, R, X, R, X.

Maximum current food and resources
Quickly press L, R, Up, X, R while on a lot in Live mode to spawn the
Cheat Gnome, then quickly press Square(4 times), L.

Note:
The cheat gnome will appear at different locations, depending on which
island you are on, and must be found. You can enable cheat options on
the Cheat Gnome after you found it. To use it, approach the Cheat
Gnome and press X.