The Sims 2 - GameCube

Cheat Gnome:
Press L, R, Up, A, Z during game play.

9,999 Simoleons:
Enable the Cheat Gnome code, then press R, L, Z, Right, Left during game play. Select the Cheat Gnome, then Interaction/Location: Give Simoleons.

All lots unlocked:
Enable the Cheat Gnome code, then press X, Z, Left, X, Up, X during game play. Select the Cheat Gnome, then Interaction/Location: Unlock/Unlock All Locations.

Full motives:
Enable the Cheat Gnome code, then press Up, X, Up, Right, Z during game play. Use the Cheat Gnome and select the option to fill motives.

All objects unlocked:
Enable the Cheat Gnome code, then press Z, X, Down, Left, Up during game play.

All recipes unlocked:
Enable the Cheat Gnome code, then press Z, B, Up, Down, Right, A during game play.

All fashions unlocked:
Enable the Cheat Gnome code, then press B, Z, Down, Right, B during game play.

Set Skill level:
Enable the Cheat Gnome code, then press Y, X, B, Z, Left during game play. Select the Cheat Gnome, then Interaction/Location: Change Skill.

Advance time by 6 hours:
Enable the Cheat Gnome code, then press X, B, L, Up, Down during game play. Select the Cheat Gnome, then Interaction/Location: Advance 6 Hours.