The Sims 4 Edit a Sim cheat is one of the most useful commands in the game, letting you fully modify your Sim after creation. Whether you want to change appearance, traits, or even completely redesign a character, this cheat removes the usual restrictions placed on Create-a-Sim.
In this guide, you’ll learn how to use the cheat properly, what it allows you to edit, and how to fix it if it’s not working.
How to Use the Sims 4 Edit a Sim Cheat
To use the Edit a Sim cheat in The Sims 4, you first need to enable cheats.
- Press Ctrl + Shift + C
- Type: testingcheats true
- Press Enter
Then enter:
cas.fulleditmode
Once enabled:
- Hold Shift
- Click on your Sim
- Select Modify in CAS
This opens full Create-a-Sim with almost no restrictions.
If you’re using multiple cheats while editing your game, it’s worth checking out our full Sims 4 cheats list for every command and shortcut available.
What You Can Change with CAS Full Edit Mode
Normally, The Sims 4 limits what you can edit after creating a Sim. With this cheat, you can change:
- Facial features
- Body type
- Traits
- Aspirations
- Gender settings
- Voice and walk style
This essentially lets you completely redesign your Sim at any time.
When to Use the Edit a Sim Cheat
The Sims 4 Edit a Sim cheat is especially useful when:
- You want to fix a Sim you created quickly
- You’re adjusting story-based characters
- You’re experimenting with different traits
- You need to correct randomised Sims
It’s also helpful if you’re testing gameplay systems or builds.
Combining CAS Cheat with Other Gameplay Features
This cheat works well alongside other systems in the game.
For example, if you’re creating supernatural Sims, you can combine this with abilities from our guide on The Sims 4 vampire cheats to fully customise your character’s powers and appearance.
You can also enhance your builds to match your Sims by unlocking additional items. You can also unlock more features using the hidden objects cheat in The Sims 4, which gives you access to extra build items.
Fixing the Edit a Sim Cheat Not Working
If the cheat isn’t working, here are the most common fixes:
Re-enable Cheats
Make sure you’ve typed:
testingcheats true
Enter the Command Again
Sometimes cas.fulleditmode needs to be re-entered after loading a save.
Check for Mods
Mods can interfere with CAS functionality. Try:
- Removing your Mods folder
- Restarting the game
- Testing again
Limitations of CAS Full Edit Mode
Even though the Sims 4 Edit a Sim cheat is powerful, there are still a few things to be aware of:
- Relationships can behave unpredictably if heavily edited
- Some hidden traits may not appear
- Modded Sims may not update correctly
It’s always a good idea to save before making major changes.
Tips for Better Sim Customisation
To get the most out of this cheat:
- Use it alongside gameplay progression
- Adjust traits to match your playstyle
- Combine it with career planning
If you’re building a Sim focused on earning money, you might also find it useful to check out our guide to the Best Sims 4 Traits for Making Money align traits and goals with high-income paths.
Making the Most of the Edit a Sim Cheat
The Sims 4 Edit a Sim cheat gives you full control over your characters, allowing you to refine, redesign, and experiment without limitations. Whether you’re fixing mistakes or building detailed stories, this cheat is essential for flexible gameplay.
For more tips and guides, explore our full The Sims 4 category for everything you need to improve your gameplay.
