To activate the cheat window, click CTRL+SHIFT+C together. This will prompt you with a box at the top of your screen.
Enter one of the following commands below into the debug box, and press enter. This will enable the cheat.

If you wish to increase the increase the box, you can use the following command - Expand - which will increase the size, it will also allow you to view the debug console as well as previously entered cheats.

If you wish to repeat a cheat, such as the money cheat - Motherlode - you can enter the cheat, press enter and the press the up arrow. Using the arrow keys you can scroll the previously entered cheats.


Kaching
Adds §1.000,- to household funds

Motherlode
Adds §50.000,- to household funds

Moveobjects on/off
Move unmovable objects

Aging -on/-off
Sims won't age

StretchSkeleton (number)
Make your sim smaller or higher. 2.0 double size, 0.5 half size, etc.

intProp maxNumOfVisitingSims #
You can invite more guests with a party and more Sims show up at community lots. Use in Neighbourhood screen

boolProp snapObjectsToGrid [true/false]
Use 'false' to place objects out of grid. Click here for more info about this and former cheat

boolProp testingCheatsEnabled [true/false]
Use 'true' to enable CAS debugmode and more. Click this link for more info about this cheat

boolprop constrainFloorElevation [true/false]
Use 'false' to make it possible to raise or lower the floor even when there are objects, flooring or walls on it.
boolProp simShadows [true/false]
Turns shadow of sim on or off

Vsync on/off
Turning off increases game performance but with some graphical errors as the price

floatProp tvVolume [0.0-1.0]
0.5 is default. Lower or increase number to manage tv sound

boolProp displayPaths [true/false]

True=You see the path where the selected sim walks to

boolprop unevenTilesFloorable [true/false]

True=Can place floortiles on sloped ground

boolProp useEffects [true/false]

False=Turns off all effects like speech balloons, memories and the sky

boolProp useShaders true [true/false]

True=Makes the pool water clearer

faceBlendLimits -on/off

When making a child in CAS, this cheat can turn off facial bounding limitations




University


The following is a list of cheats specific to The Sims 2 University Expansion

boolProp allow45DegreeAngleOfRotation [true/false]
Allows rotating any object in 45 degree increments with keys

setHighestAllowedLevel [level]
Can build higher then 5 floors

boolProp dormSpecificToolsDisabled [true/false]
Enables build/buy mode tools in a dorm lot

changeLotZoning [residential | community | greek | dorm | secretsociety]
Changes the zoning type of the lot

Nightlife


The following is a list of cheats specific to The Sims 2 Nightlife Expansion

familyfunds [Familyname] #
Add or extract money for a chosen family. For example, "familyfunds Jones +10000" adds §10.000 to family Jones. [-10000 extracts §10.000]

roofslopeangle [15-75]
Adjusts the slope angle on all roofs on a lot

showHeadlines [on/off]
Makes all thought balloons invisible

unlockCareerRewards
Unlocks all career rewards for selected sim

MaxMotives
Sets all needs for all sims on the lot to full

motiveDecay [on/off]
Turns natural need decay on or off

aspirationPoints #
Adds the specified number of Aspiration points to selected sim

lockAspiration [on/off]
Freezes aspiration point decay for all sims on the lot

aspirationLevel [0-5]
Changes Sims' aspiration level. 0=lowest, 5=Platinum level

agesimscheat [on/off]
Adds 'set age' to interaction menu. Any sim you click on, can be set to any age group

setLotLightingFile [filename]
Change lighting by choosing an alternate lighting file. Original can be found in /Nightlife/TSData/Res/Lights. To restore use "setLotLightingFile clear"

Open for Business


The following is a list of cheats specific to The Sims 2 Open for Business Expansion

AddneighbortoFamilycheat [on/off]
Click on an NPC to add one to the current household

Forcetwins
With a pregnant Sim selected, using this cheat will transform the pregnancy into a twin birth

Sethour [0-23]
Set time of day

Plumbbobtoggle
Makes the overhead plumb bob invisible

Hold down Ctrl + Alt while an object is selected
Allows you to put as many items on a wall as you want, even if they overlap

Pets


The following is a list of cheats specific to The Sims 2 Pets Expansion

boolprop ControlPets [on/off]
Makes pets fully controlable, but you can't cancel actions from their queue

boolprop DisablePuppyKittenAging [true/false]
Turns off aging for kittens and puppies

boolprop PetActionCancel [true/false]
Makes actions in a pet's queue accessible

boolprop ShowCatalogePFlags [true/false]
Activates labels in the detail view of each Buy mode and Build mode objects to show which product they came from (EP or SP)

boolprop PetsFreeWill [true/false]
Turns pet free will off

DeleteAllAwnings
Deletes all awnings on lot

DeleteAllFences
Deletes all fences on lot

DeleteAllHalfWalls
Deletes all half walls on lot

DeleteAllObjects [Doors/Windows/Stairs]
Deletes all Doors, Windows or Stairs on lot

DeleteAllWalls
Deletes all walls on lot

IndividualRoofSlopeAngle [15/75]
Activates a tool to change the roof slopes of individual roofs on a lot

Seasons


The following is a list of cheats specific to The Sims 2 Seasons Expansion

bugJarTimeDecay [on/off]
Makes fireflies live forever in jars when set to off

Bon Voyage


The following is a list of cheats specific to The Sims 2 Bon Voyage Expansion

changelotzoning [residential | community | hotel | secretvacationlot]
Allows you to change a standard lot into a Vacation or Secret Lot. (WARNING: Changing to a secret lot can cause your game to crash)

Freetime


The following is a list of cheats specific to The Sims 2 Freetime Expansion

modifyNeighborhoodTerrain [on/off]
Modify Neighborhood terrain: [= Raise, ]=lower, \=level, p=Smooth terrain

Apartment Life


The following is a list of cheats specific to The Sims 2 Apartment Life Expansion

printLotClass
Shows the current class of a lot

changeLotClassification [low | middle | high]
Changes the lot classification of the lot

clearLotClassValue
Undo the former cheat

boolprop controlpets [on/off]
Makes roommates controllable

boolprop petactioncancel
Cancel anything your roommate plans to do

boolprop petsfreewill [true/false]
Use false to turn off free will for roomates

boolProp aptBaseSpecificToolsDisabled [true/false]
Use false to enable build/buy mode tools on an apartment lot

boolprop aptsublotspecifictoolsdisabled [true/false]
Use false to enable build/buy mode tools in an apartment room (can give problems when used outside room).

changeLotZoning [apartmentbase/secretwitchlot]
Changes the zoning type of the lot




Lots


The following is a list of cheats which will help you adjust and configure the gradients and slopes of the lot you wish to build a house/business on. Other interactions also include the removal of specific items/objects from the lot, amoungst other things.


boolprop lotWater [true/false]
False=Removes water from lots (ponds)

boolprop lotTerrainPaints [true/false]
False=Removes floorpainting on lot

boolprop showFloorGrid [true/false]
Shows grid or not in build or buy mode

boolprop objectShadows [true/false]
False=Removes shadows on objects OUTside house

boolProp guob [true/false]
False=Removes shadows on objects INside house

boolprop renderSelectedSimLevel [true/false]
True=Walls no longer cut away for selected sim

boolprop locktiles [true/false]
False=You can place floortiles outside lot (Like on road)

boolprop reflectionWithExtraViewer [true/false]
Turns on/off reflection in mirrors

boolprop renderInsideObjectOnlyOnSelectedSimLevel [true/false]
True=Objects only appear on levels the selected sim is on and when that floor is selected

boolprop renderSelectedSimLevel [true/false]
True=Only see selected simlevel; like when sim is on top floor, other floors are invisible

Neighborhood


The following is a list of cheats which can only be used in the neighborhood view.

deleteAllCharacters
Removes every sim from the neighbourhood

TerrainType desert/temperate/dirt/concrete
Toggles between terrain types

boolProp CameraDriftCamEnabled [true/false]
False=Camera does not move in neighborhood

boolprop displayNeighborhoodProps [true/false]
False=Removes props like rocks and towers from neighborhood

boolprop displayNeighborhoodRoads [true/false]
False=Removes roads from neighborhood

boolprop displayNeighborhoodFlora [true/false]
False=Removes trees/plants from neighborhood

boolprop displayNeighborhoodWater [true/false]
False=removes water from neighborhood

boolprop displayLotImposters [true/false]
False=Removes houses from neighborhood(just the graphics, not the houses themselves)

boolprop displayNeighborhoodRoadsWithModel [true/false]
False=Removes bridges from neighborhood

boolprop lotTerrainLighting [true/false]
False=Lots won't light up when you move your mouse over it in neighborhood

boolprop carsCompact [true/false]
True=Cars in neighborhoodhave more detail

boolprop ShowLotPackageFilename [true/false]
In neighborhood, shows filename of house when you move your mouse over a lot

boolprop nhoodWaterReflection [true/false]
Turns on/off water reflection in neighborhood

boolProp carsOnRight [true/false]
Cars in neighborhooddrive on left or right side of road

Film Making


Want to become a producer of your own movie, using these tools will allow you to position objects the way you want them to appear!

Slowmotion 0-8
0 is normal speed and 8 is slower

boolProp enablePostProcessing true/false
Must be true for all filmic cheats to function

Bloom (r g b x)
Creates a filmic look in which everything's so bright it blurs together "r", "g," and "b" are color values (0-255) and "x" is the amount of  blooming from 0 to 255

vignette (centerx centery X)
Creates a filmic look in which a focal point is clear but everything around it is blurry

filmgrain (0-1)
Creates a film graininess

letterbox (0.0-0.4)
Creates a letterbox view of size specified

Misc.


Miscellaneous cheats which do not fit into any specific category.


boolprop renderOpaqueUI [true/false]
True=Removes transparency on control panel

boolprop lotTerrainCanvas [true/false]
Not really sure. Grass turns blue?

boolprop displayLookAtBoxes [true/false]
True=blocks appear on sims faces and on parts where sims look at

gameVersion
After typing in 'expand', you see the game version in the cheat box

boolprop allObjectLightsOn [true/false]
True= Lights up objects continously instead of only when used, like fridges/tv's, etc.

floatprop particleDensity 1.000000
Raise number to increase green damping on spoiled food

boolprop lotInfoAdvancedMode [true/false]
True=In neighbourhood shows the lotinfo. Can also just click on the 'info' button on the lotinfo screen

Autopatch on/off
Toggles notification of available game patches

Help
Lists some, but not all cheats

Exit
Closes cheat window

Expand
Expands or contracts the cheat window

Mansion and Garden Cheat


setQuarterTilePlacement [on | off]
The following is a cheat which allows you to center objects in The Sims 2 Mansion and Garden Stuff Pack onto a Quater of a tile.