You know that feeling when you've downloaded way too much custom content and suddenly your Create-a-Sim (CAS) menu feels like a digital claustrophobia simulator? It's the worst. You’re scrolling for ten minutes just to find that one specific pair of high-waisted jeans you swear you downloaded yesterday. Honestly, the default two-column layout in The Sims 4 is a relic of a simpler time, back when we didn't have 15 expansion packs and 4GB of hair meshes.
If you're still squinting at that tiny, narrow strip of icons, you're doing it wrong. The Sims 4 More CAS Columns mod by Weerbesu is arguably the most important utility mod in the history of the franchise, right up there with MC Command Center. It’s not flashy. It doesn’t give your Sims new superpowers or realistic laundry animations. It just fixes the UI so you can actually see what you’re doing.
The Geometry of a Better Create-a-Sim
The math is simple. More columns equals less scrolling. When you install the Sims 4 More CAS Columns mod, you’re choosing between three specific versions: three, four, or five columns.
Choosing the right one isn't just about preference; it's about your screen resolution. If you’re playing on a 13-inch laptop with a 1366x768 resolution and you try to force five columns, the UI is going to bleed off the edge of the screen like a bad paint job. It’s a mess. Most players find the "sweet spot" at four columns for standard 1080p monitors. It expands the catalog area just enough to make browsing efficient without burying the Sim’s face behind a wall of thumbnails.
Why the Default UI Fails Power Users
Maxis designed the original UI for accessibility and performance on lower-end machines. That’s fair. But they didn't really account for the absolute hoarders we’ve become. Between official DLC and the endless sea of CC from creators like AHarris00Ryt or Sentate, the "two-column" life is a death sentence for your mouse's scroll wheel.
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The mod literally stretches the catalog area. By doing this, you see twice—or even 2.5 times—the amount of content at once. It’s a massive quality-of-life upgrade that most people don’t realize they need until they try it. Then, going back to the vanilla game feels like looking through a keyhole.
How to Install (and Not Break) Your Game
Installing is easy, but people mess it up constantly by being disorganized. You download the .package file, drop it in your Documents/Electronic Arts/The Sims 4/Mods folder, and make sure script mods are enabled in your game settings.
One thing, though. Only install one version. Don’t put the 3-column, 4-column, and 5-column files in your folder at the same time. The game will have a literal stroke. It can't decide which UI layout to prioritize, and you’ll likely end up with a flickering screen or a game that refuses to load past the plumbob. Just pick the one that fits your monitor and delete the others.
Dealing with the Resolution Headache
If you’ve got a massive 4K monitor, go for the 5-column version. It looks gorgeous. It makes the CAS screen feel professional, almost like a high-end design suite. On the flip side, if your UI scale in the game settings is set too high, even the 3-column version might clip.
- Go to Game Options.
- Select "Accessibility."
- Mess with the "UI Scale" slider if the columns look "cut off" or if they overlap with the Sim.
It’s a bit of a balancing act. You want the most columns possible without sacrificing the ability to actually see the Sim you’re styling.
The Patch Day Nightmare: A Warning
Here is the cold, hard truth: this mod breaks. A lot.
Because the Sims 4 More CAS Columns mod touches the game’s core UI (User Interface), almost every major game update from EA will break it. When a new expansion pack drops or a "Laundry List" update tweaks the menus, your CAS will probably look like a digital nightmare. Icons will be floating in the middle of the screen, the "Check" button might disappear, or the entire catalog might just go blank.
Do not panic. This is normal. Weerbesu is incredibly fast at updating the mod, usually within 24 to 48 hours of a patch. The workflow for any seasoned simmer should be:
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- Patch the game.
- Remove the old version of More CAS Columns.
- Check the developer’s Patreon or mod page.
- Download the updated version.
It’s a small price to pay for a functional interface. Honestly, the Sims community owes a debt to these UI modders who keep the game playable as it grows into an absolute behemoth of assets.
Compatibility and Conflict
The good news? This mod is surprisingly compatible with almost everything else. It doesn't care if you have WonderfulWhims, Extreme Violence, or a thousand pieces of custom furniture.
The only time you’ll run into trouble is if you use other UI-heavy mods. Specifically, things that change the look of the CAS background or "UI Cheats Extension" can sometimes get cranky if they aren't both updated. Always keep your UI mods in a separate subfolder named !UI_MODS or something similar so you can find them instantly when the game starts acting weird.
Is it worth it for "Vanilla" players?
Maybe you don't use CC. Maybe you only own the base game and Seasons. Do you still need it?
Probably not. If your catalog isn't overflowing, the extra columns might just feel like empty space. But the moment you buy a few more packs—especially something like High School Years or Cottage Living that adds a ton of items—you’ll start to feel the squeeze.
Beyond the Basics: Making the Most of CAS
Once you have the extra room, you’ll realize how much better the filtering system works. With more horizontal space, the filter dropdowns don't feel as cramped. You can actually see the "Color," "Style," and "Material" tags without the UI feeling like it's collapsing under its own weight.
Common issues to watch for:
- The "Squished" Sim: If your Sim looks like they've been flattened against the left side of the screen, your UI scale is too high for the number of columns you chose.
- Buttons Not Clicking: This usually happens right after a game update. It means the mod is "out of date" and is blocking the game's new code from executing. Delete the mod and wait for the update.
- Invisible Thumbnails: Not usually a mod problem, but a cache problem. Delete your
localthumbcache.packagefile in your Sims 4 folder. This is the "have you tried turning it off and on again" of Sims troubleshooting.
Real-World Efficiency
Think about it this way. If you spend three hours a week in Create-a-Sim—which, let's be real, is a conservative estimate for many of us—and this mod saves you five seconds of scrolling per outfit category, you’re clawing back significant time. Over a year, that’s hours of your life not spent dragging a scroll bar.
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It’s about flow. When you’re in the "creative zone," nothing kills the vibe faster than a clunky interface. You want to see all your swatches. You want to see all your options.
Actionable Next Steps for a Cleaner Game
If you're ready to fix your UI, don't just go clicking random download links. Follow a process to make sure your game stays stable and your save files stay safe.
- Check your resolution first. Right-click your desktop and hit "Display Settings" to confirm your screen resolution. If you’re at 1920x1080, start with the 4-column version.
- Clear your cache. Before installing, delete the
localthumbcache.packagefrom yourDocuments/Electronic Arts/The Sims 4folder. This forces the game to rebuild the UI thumbnails and prevents weird graphical glitches. - Use a dedicated folder. Put the mod in its own folder within your Mods directory (e.g.,
Mods/UI_Fixes/). This makes it way easier to find and replace when the next EA update inevitably breaks it. - Test in a clean save. If you’re nervous, start a "New Game" just to check the CAS layout. If it looks good, you're safe to head back into your main legacy save.
- Bookmark the source. Save Weerbesu’s page on Patreon or ModTheSims. You will be visiting it every time there is a game patch. Being proactive about updates is the only way to play with a modded UI without losing your mind.
The reality of The Sims 4 in 2026 is that it's a massive, bloated, beautiful game. The developers have added so much content that the original "bones" of the interface are struggling to hold it all. Using the Sims 4 More CAS Columns mod isn't just about being a "modder"—it's about modernizing a 12-year-old interface to match the scale of the game we have today. It is, quite literally, a game-changer.