How To Edit Pre-Existing Sims Using CAS Mode In Sims 4

Ready to customize your Sims exactly how you imagine them, without usual CAS restrictions? In this guide, you’ll discover how to unlock full free editing in Create-a-Sim, adjust every detail of your Sims, and keep changes working smoothly in your game. You’ll be able to build perfectly personalized Sims in no time.

How will this change your Sims 4 experience? Unrestricted CAS editing lets you adjust existing Sims at any time, tweak physical traits, career outfits, and family relationships without starting a new save. But it's important to follow the correct steps to avoid disrupting your existing game progress.

Why Editing Sims in CAS Freely on Sims 4 Is Worth Your Time

• No new save required: You can edit pre-existing Sims in your current playthrough without resetting your household or progress, saving you hours of rebuilding your game world.
• Full creative control: You can adjust every detail from facial structure to hidden traits, even for Sims you didn’t originally create in CAS, to match your story ideas.
• Fix in-game changes easily: If your Sim’s appearance changes unexpectedly from gameplay events, you can revert or update their look in seconds with no workarounds.
• Customize household dynamics freely: You can adjust family relationships, ages, and career outfits for all Sims in your world, not just your active household.

Step-by-Step Guide to Editing Your Sims in CAS Freely on Sims 4

Step 1: Enable Cheats in Your Game

Load your save and press Ctrl + Shift + C on PC, or the corresponding trigger combination on console to open the cheat input bar. Type "testingcheats true" (without quotes) and press enter to activate cheat functionality for your current play session. This is required to access advanced CAS editing options.

Pro tip: Make sure you have no active pop-up menus open when you press the cheat combination, or the input bar may not appear.

Step 2: Activate Full CAS Edit Mode

Once testing cheats are enabled, open the cheat bar again and type "cas.fulleditmode" before pressing enter. This unlocks all restricted CAS features for any Sim you select, including options that are usually locked after initial Sim creation. You will not see a confirmation pop-up, but the cheat will activate immediately.

Common mistake to avoid: Don’t close and reopen your game after entering this cheat, as it will reset and you will need to enter it again.

Step 3: Access CAS for Your Target Sim

Find the Sim you want to edit, either in your active household or another household in the world. Hold Shift and click on the Sim, then select the "Modify in CAS" option from the pop-up menu. This will load the full Create-a-Sim interface with all features unlocked.

Pro tip: For Sims not in your active household, you can also find them through the Manage Worlds menu and select "Edit Household" to access CAS.

Step 4: Make Your Desired Edits

You can now adjust every part of the Sim, including facial features, body type, hair, clothing, traits, aspirations, and even family relationships. You can also change their age, career outfits, and hidden traits that are usually not editable after Sim creation. Take your time to adjust every detail to match your vision for the Sim.

Common mistake to avoid: Don’t change a Sim’s age if they have ongoing gameplay events like a pending promotion, as this may reset their career progress.

Step 5: Save Your Changes and Exit CAS

When you are finished editing, click the checkmark button in the bottom right corner to save your changes and return to gameplay. All edits will apply immediately to the Sim, and you will see the updates in your game right away. You can repeat this process for any other Sim in your world whenever you want.

Pro tip: Save your game immediately after exiting CAS to make sure your edits are stored properly in your save file.

Challenges to Be Aware Of

• Cheat resets after game restarts: The full edit mode cheat does not save when you close your game, so you will need to re-enter it every time you launch Sims 4 if you want to edit Sims freely. You can write the cheat down or save it in a note to make the process faster each time.
• Risk of save file corruption if overused: Editing too many Sims at once or making conflicting changes to family relationships can occasionally cause minor glitches in your save file. Always back up your save file before making large batches of CAS edits to avoid losing progress.
• Limited editing for special NPCs: Some non-playable Sims like townies with special roles may have restricted editing options even with full edit mode enabled. You can usually work around this by moving the Sim to your active household first before making edits.

Conclusion

You now have the foundation to start editing your Sims in CAS freely on Sims 4, adjusting every detail of any Sim in your world to match your creative vision. The steps are simple to follow, even if you have never used cheats in the game before.

Editing CAS freely on Sims 4 offers near-endless creative flexibility for your playthroughs, and by mastering this process, you’re positioning yourself to build more immersive, personalized game stories that fit exactly what you want to play.

Don’t wait for the perfect moment. Start testing the cheat on a spare Sim today. You’ll be surprised how much more enjoyable your playthroughs become when you have full control over every Sim in your world.

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