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The Attic Room CAS Background by Gmentes is a unique Sims 4 CAS background cc with an urban vibe due to the exposed brick wall. It features a circular window behind that illuminates light into the room, ensuring your Sim is visible. This, coupled with the wooden furniture and fairy lights, creates a cozy, rustic environment.
Follow these steps to install Attic 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
Kafamtanrii
0 ratings
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Published
December 14, 2025
Source
MustHaveMods.com
Last Updated
September 8, 2026