The following codes can only be entered in 'Free play' mode by pressing Ctl + Shift + C.

Expands Cheat Box:
Expand

Prevent Sims from Aging:
Aging (on/off)

Selected Character gets Aspiration Points:
Aspirationpoints(# - enter number)

Change Roof Angle:
RoofSlopeAngle (15-75 - 75 is steepest)

Family Receives 1,000 Simoleans:
Kaching

Family Receives 50,000 Simoleans:
Motherlode

Maxes ALL Motives for everyone on the Lot:
Maxmotives

Place Objects where you want:
Moveobjects (off/on)

Objects Snap to Grid:
Boolprop snapobjectstogrid (true/false)

Unlocks ALL the Career Rewards for selected Character:
UnlockCareerRewards

Turn Items at 45 Degree Angles:
Boolprop allow45degreeanlgeofrotation (true/false - rotate using the. And , keys)

Entered in Neighborhood view gives Family any amount you decide:
FamilyFunds(Family Name)(Amount - Don't use commas)

Exit Cheat Mode:
Exit