Quickly press R1, L1, Down, Square, R2 while on a lot to spawn the Cheat Gnome. The following codes can now be enabled, which will unlock the corresponding options on the Cheat Gnome.

Code	Effect
Triangle, L1(2), Left, Triangle	Add one to skill
Square, Triangle, Down, X, Left	All crafting resources
R2, Up, X, Square, L1	All motives
X, Triangle, L2, Square, R1	All plans
Left, Right, Square, R2, Square	Maximum current food and resources
L1, Up, R2, Left, Triangle	Maximum relationships