Entry location: Press B, Z, Up, Down when you are at a lot and then go to where the 'Cheat Gnome' has appeared. When you have found the 'Cheat Gnome' enter these codes to enable the corresponding option on it.
2, Up, Right, Z, Right - Add One to Skill.
A, A, Down, Down, A - All Crafting Resources.
Minus, Plus, Z, Z, A - All Motives.
Plus, Plus, Minus, Minus, Z - All Plans.
Left, Right, Left, Right, A - Maximum Current Food and Resources.
Z, Plus, A, B, 2 - Maximum Relationships.
Z, Z, A, Z, 2 - Unlock Vest and Tanktop.