Cheat Trophy
While playing the game, press L, R, Up, A, Black. The Cheat Trophy (actually a Plumb Bob Trophy which resembles a metal post) will now appear on the lots and the following codes may now be enabled:

9,999 Simoleons
Enable the "Cheat Trophy" code, then press R, L, Black, Right, Left while playing the game. Select the Cheat Trophy, then Interaction/Location: Give Simoleons.

All locations
Enable the "Cheat Trophy" code, then press B, White, Left, B, Up, B while playing the game. Select the Cheat Trophy, then Interaction/Location: Unlock/Unlock All Locations.

All objects
Enable the "Cheat Trophy" code, then press White, B, Down, Left, Up while playing the game.

All recipes
Enable the "Cheat Trophy" code, then press Black, X, Up, Down, Right, A while playing the game.

All fashions
Enable the "Cheat Trophy" code, then press X, Black, Down, Right, X while playing the game.

Full motives
Enable the "Cheat Trophy" code, then press Up, B, Up, Right, White while playing the game. Select the Cheat Trophy to access the option to fill all motives.

Set Skill level
Enable the "Cheat Trophy" code, then press Y, B, X, Black, Left while playing the game. Select the Cheat Trophy, then Interaction/Location: Change Skill - [name]/Change to [number].

Advance time by 6 hours
Enable the "Cheat Trophy" code, then press B, X, L, Up, Down while playing the game. Select the Cheat Trophy, then Interaction/Location: Advance 6 Hours. Note: Using this code when someone is at work or away may cause problems with them coming back.

Horn audio
Enable the "Cheat Trophy" code, then press R, L, R, L, Y while playing the game.

Development team picture
At the title screen, press Right, Down, Right, Down, Right. If you entered the code correctly, you will hear a Sim voice. Alternately, press Left, Right, Down, Right, Left, Right, Down at the title screen. If you entered the code correctly, you will hear a Sim voice.

Unknown
At the title screen, press Right, Up, Right, Down, Right, Up, Down, Right. If you entered the code correctly, you will hear a Sim voice.