To begin cheating pause the game and enter (as fast as you can)
R2, L1, R1, L2, left, O. You will hear a female voice saying ohh.
Then unpause the game and a gnome will appear somewhere at the front of your house near the road.
To use the fill motives cheat repause the game and enter (as fast as you can) L2, R1, left, O, up. You will hear the same ohh sound as before.
To use the unlock all objects cheat, unpause the game and enter
(as fast as you can) L2, R2, up, triangle, L3 (left analogue stick)
You will hear the same ohh sound as before.
Pause the game and do the gnome cheat which is R2,L1,R1,L2,LEFT,O then a gnome should appear on the path.
When u see it enter these codes:
L2,R1,LEFT,O,UP=Fill Motive Meters
R2,R3,L3,L2,R1,L1=All Locations
L2,R2,,UP,TRIANGLE,L3=All Objects
L1,R1,DOWN,X,L3,R3=All Social Choices
L1,R2,RIGHT,SQUARE,L3=$10,000
Full motives
Do Gnome cheat (R2, L1 R1 L2 left on D-pad circle).
Once you reveal the Gnome enter the fill motiver cheat to make it work (L2, R1 left on D-pad circle up on D-Pad).