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Disabling the in-game tutorial: options.ini edit | Origin commandline option
Disabling sim/object highlights: Origin commandline option
Disabling all CC in one go: -ignoreMods (Origin command line) can be used to disable CC without having to move files around. Source

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The in-game cheat console can be brought up by pressing CTRL+SHIFT+C. Input the following text into the text input field that appears at the top of the screen:

Technical:

• help – Lists all available commands into the command console
• resetSim <FirstName> <LastName> – Resets the sim
• fullscreen – Toggles full screen on/off
• headlineeffects [on|off] – Hides all headline effects including the plumbob, thought balloons, etc
• casclockspeed [0..10] (only in CAS) – Sets animation speed: 0 is pause, 10 is not, 1 is default

“Cheat” type cheats:

• death.toggle – Disables death so that sims don’t die
• stats.fill_commodities_household – Fixes all needs for the current household
• sims.fill_all_commodities – Fixes all needs for one sim
• sims.give_satisfaction_points <#> – Guess what this does? Requires debug mode (testingcheats on)
• sims.remove_all_buffs – Gets rid of all moodlets of a sim
• aspirations.complete_current_milestone – Completes the current Aspiration Milestone
• crafting.shorten_phases – Speeds up some parts of crafting (painting, woodworking)
• stats.set_skill_level <skill> <level> – Sets <skill> to <level> on the active sim; known skill names:
  
  
  • AdultMajor_Bartending
  • AdultMajor_Charisma
  • AdultMajor_Comedy
  • AdultMajor_HomestyleCooking
  • AdultMajor_Fishing
  • AdultMajor_Gardening
  • AdultMajor_GourmetCooking
  • AdultMajor_Guitar
  • AdultMajor_Handiness
  • AdultMajor_Logic
  • AdultMajor_Mischief
  • AdultMajor_Painting
  • AdulttMajor_Piano
  • AdultMajor_Programming
  • AdultMajor_Reaping
  • AdultMajor_RocketScience
  • AdultMajor_VideoGaming
  • AdultMajor_Violin
  • AdultMajor_Writing
  • Skill_Child_Creativity
  • Skill_Child_Mental
  • Skill_Child_Motor
  • Skill_Child_Social
  • Skill_Fitness
    

Funds:

• freerealestate [on|off] – Can be entered at neighborhood/world. If on, all homes are free while the cheat is active
• sims.modify_funds <amount> adjusts the household funds by <amount> (negative numbers also work)
• motherlode – provides 50.000 Simoleons
• kaching – provides 1.000 Simoleons
• rosebud – provides 1.000 Simoleons

Careers:

• careers.add_career <name> – for <name>, type the name of the career
• careers.demote <name>
• careers.promote <name>
• careers.remove_career <name>

Automatification:

• households.autopay_bills automatically pays bills
• ui.dialog.auto_respond Pop up dialogs: will choose cancel if available or select between the choices given
• sims.spawnsimple <#> spawns random groups of sims (<#> is the number you want). If you put in a crazy number, the game will break

Objects:

• bb.showhiddenobjects – Unlocks debug and unlockable objects in Build/Buy
• bb.ignoregameplayunlocksentitlement – Unlocks all career rewards
• bb.moveobjects will ignore placement rules
• 0 and 9 while holding an object moves an object up and down (it doesn’t have to be against a wall) when moveobjects is active
• Shift + ] and Shift + [ increase/decrease the size of objects – the equivalent keys vary with keyboard locale and layout: e.g. Shift + ß | ´ for German. Try the keys in the top right corner, next to Backspace.

From the 1.3.18.1010 patch notes, regarding the 0 and 9 keys:


Debug:

• testingcheats [on|off] – Enables the use of further cheats (see note below)
• testingcheats on followed by cas.fulleditmode allows all CAS abilities

Interaction Cheats are available by shift-clicking on objects and sims once the player has entered testingcheats true in the command console:

Shift-Clicking on Sims will bring up the following options:

• Reset Object will reset the Sim
• Add to Family adds the Sim to the current family
• Cheat Motive > Make Happy sets all motives to full and mood to Happy
• Cheat Motive > Disable Motive Decay allows all motives to remain static (if they had been enabled)
• Cheat Motive > Enable Motive Decay allows all motives to change dynamically (if they had been disabled)
• Modify in CAS allows editing of everything but name and inherited traits

Shift-Clicking on objects will bring up the following options:

• Reset Object will reset the object
• Set as Head sets the object as the active sim’s head

Shift-Clicking on dirtyable objects (toilet, sink etc) will bring up the following options:

• Make Dirty will make the object dirty
• Make Clean will make the object clean when it’s already dirty

Shift-Clicking on the ground will bring up the following option:

• Teleport Me Here teleports the selected Sim as close to the clicked spot as possible

If you’re having difficulties getting the cheat console to show: you may need to use the keys on the LEFT hand side of the keyboard. See this thread.


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Edit 2014-12-16: Added the Careersmas cheats above (those are marked ) and unificated the list – for people wanting to know which cheat got introduced with exactly which patch, please refer to the patch notes.

Edit 2014-09-12: Some workarounds for messed-up in-game relationships (allegedly due to game bugs): http://forums.thesims.com/en_US/dis...e-relationships (TwistedMexi)

Edit 2014-09-11: SimGuruGrant posted a list of cheats over at EA forums (nothing new though).

Edit 2014-09-06: For a long list / discussion of “extended cheats” see here (TwistedMexi).
Edit 2014-09-05: the testingcheats cheat is listed with [true|false] in several guides (official ones too); apparently this is wrong or does not work for everyone.

“Soak testing” cheats (handymen, maids, party situation): see here (TwistedMexi).

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Thanks so much for posting this, Delphy. My daughter forgot to set the walk on one of her sims, and she was able to return to CAS and get her much desired "feminine walk". Kudos as always.

Now with the Testingcheat on. I see it says you can edit in CAS. But you cannot redo the body form correct? I made a sim a bit too chunky and wanted to sculpt it down but it looks like there is no option to do that.

What are you doing exactly, just the "Modify in CAS" option or are you in "cas.fulleditmode" as well?

The Modify in CAS. I just want to reshape the figure.

I didnt see a way to do that unless I am missing something?

The way to edit fully, is to type testingcheats true, then type cas.fulleditmode. After that, Shift click your sim and hit Edit in CAS. It should now allow you to fully edit your sim. Hope this helps.

Edit: Make sure to hit enter after testingcheats then, type cas.fulleditmode.

I have the same problem, i can't edit my sims in CAS with cas.fulleditmode

Open up the cheat console. Type in testingcheats true. Hit enter. Then after that when it pops up saying cheats are enabled, type in cas.fulleditmode . Then shift click your sim and edit it in CAS. :D

Tyvm, is working now :P

The plumbob stays even after I put in headlineeffects on

Yeah that's a known bug.

Thank you so much,

Hello there MoveObjctes on / off for The Sims 4?

There is no moveobjects for TS4.

Very nice.

Can you tell us how to close the cheat window? PLEASE.

The same way you opened it. CTRL-SHFT-C

I really need this to work and it is absolutely not. the "headlineeffects on" or "headlineeffects off" is just not working. It's not doing anything. Why is this?

Edit: Okay, nevermind. It's working. Is there anyway to remove plumbob? I thought that was supposed to...

I saw this earlier for the plumbobs

https://www.youtube.com/watch?v=3xxOa0INhyY

Thank you very much for answers. Too bad there is not had willingly put shrubs and trees in bloom.

There is a mod for that now available, look in the Game Mods section in Downloads.

Is cas.fulleditmode known to be broken? Or is it just the way I'm using it? :

I play Household A. Ugly townie from Household B jogs by. I pull Ugly Townie into CAS (fulleditmode) and fix whatever is annoying me about him or her. When I click the checkmark, most often the result is that Household B is now the active household, sometimes with the bonus that the game crashes.

Is there a better way to fix ugly townies on the fly?

Updated OP with additions from 1.0.732.20 and one Origin command line option (-ignoreMods; handy for testing).

Change skill level of selected Sim

stats.set_skill_level <skill name> <level>

example:
click sim
ctrl+shift+c
stats.set_skill_level AdultMajor_Charisma 10

yields charisma skill on the sim being mastered
*Not sure if it can go higher than 10, or if decimals can be used

Known Skill Names:
AdultMajor_Charisma
Skill_Child_Creativity
Skill_Child_Mental
Skill_Child_Motor
Skill_Child_Social
AdultMajor_Comedy
AdultMajor_HomestyleCooking
AdultMajor_Fishing
Skill_Fitness
AdultMajor_Gardening
AdultMajor_GourmetCooking
AdultMajor_Guitar
AdultMajor_Handiness
AdultMajor_Logic
AdultMajor_Mischief
AdultMajor_Bartending
AdultMajor_Painting
AdulttMajor_Piano
AdultMajor_Programming
AdultMajor_Reaping
AdultMajor_RocketScience
AdultMajor_VideoGaming
AdultMajor_Violin
AdultMajor_Writing