Free money:
Pause time, then quickly press R2, L1, R1, L2, Left, Circle. A Sim voice will say something to confirm correct code entry. A gnome should appear near the road. Select it for 10,000 Simoleons.
All objects unlocked:
Enable the “Free money” code. Pause time, then quickly press L2, R2, Up, Triangle, L3. A Sim voice will say something to confirm correct code entry.
All visit locations unlocked:
Enable the “Free money” code. Pause time, then quickly press R2, R3, L3, L2, R1, L1. A Sim voice will say something to confirm correct code entry. Note: This code can be entered any time after your Sim wakes up at Mom