
If you’re looking for a cute and cozy CAS background that feels like stepping into a bedroom, the My Room CAS Background is a perfect pick. This setup features soft pink tones of charming decor like plushies, ribbons, and a pastel desk area, creating an inviting space for your Sims. The highlight of the setup is the full-length mirror that reflects your Sim, adding a realistic 3D touch. Remember to keep your graphics reflections above the lowest setting, or the mirror will appear empty. This background is ideal for players who want a sweet, personalized atmosphere in CAS.
Follow these steps to install My Room CAS Background on your Sims 4 game:
Download the mod file from the link above. Sims 4 mods typically come as .package or .ts4script files.
Open your Sims 4 Mods folder. The default location is: Documents/Electronic Arts/The Sims 4/Mods
Place the downloaded file directly into the Mods folder. You can organize mods into subfolders up to one level deep.
Launch The Sims 4 and go to Game Options > Other. Make sure "Enable Custom Content and Mods" is checked.
Restart the game if it was already running. The mod should now appear in your game.
Important: Always back up your save files before installing new mods. After Sims 4 updates, mods may need to be re-downloaded or updated by the creator.
Platform
The Sims 4 (PC/Mac)
Pro tip: If a mod stops working after a game update, check the creator's page for an updated version. Broken mods can cause the game to behave unexpectedly.
Created by
My Room Cas 123770943
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Published
December 17, 2025
Source
MustHaveMods.com
Last Updated
May 23, 2026