At the pause screen, enter the codes:
Blue Gnome cheat; must be used before other cheats R2, L1, R1, L2, Left, Circle
Unlock all locations R2, R3, L3, L2, R1,L1
Unlock all objects L2, R2, Up, T, L3.
Fill all motives L2,R1,Left,Circle,Up
Gives Money L1, R2, Right, Square, L3
Unlock all Social Options L1,R1,Down,X,L3,R3
Unlock all skins L1, R2, X, Circle, Up on D-pad, Down
Team Photo L3, R3, R1, R2
100% Personality for a sim
If you evict the Frutti famliy then edit Ginger you can put all her personality points to max
Look through the telescope for a long time you will be abducted be aliens. When you are returned to Earth you your stats will have been increased.
In Bust Out Mode, if you have made a contribution to the value of the house of the Sim you are staying with, when you move away you will be reimbursed for it. To exploit this buy something expensive, move away, get reimbursed (automatically), move back and use the item as if you paid for it. However, if you are in debt when you move away you will have to pay some Simoleons yourself.