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Mods Not Showing in Game
✅ Start by removing all new mods and adding them back one at a time – this is the fastest way to find the one causing problems.
Check these things in order:
- Unzip files first – the game cannot read .zip or .rar files directly. Extract all contents before copying to the game folder
- Skin files (.BMP/.CMX/.SKN) must be directly in GameData\Skins\ - no subfolders at all. Same applies to SkinsBuy\
- Check the file extension is correct (.iff not .iff.zip, .bmp not .bmp.txt)
- Some mods need
GameData\Objects\or anExpansionPack\subfolder rather than Downloads\ - always read the included readme first - Check your game install path – Steam and EA App have different root folders. See Installing Mods
- Buyable skins (L, F, S, W, H prefix) only appear at clothing racks on Downtown/community lots – they will never show in the home dresser or Create-A-Sim
- If a skin is invisible but the file is in the right place, check the CMX file – it must contain its own filename correctly spelled inside the file, or the game ignores it silently
- If a Sim appears headless or as floating hands, the mesh (.SKN) file is missing. Make sure all three file types (.BMP, .CMX, .SKN) are present in GameData\Skins\
- Body and head skin BMPs need to be one of the allowed square sizes – 64×64, 128×128 or 256×256. Non-square sizes (for example 256×192) will not display. This rule comes from the Maxis 1997 Game Design Document and is confirmed by community skinning guides.
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Game Crashes After Installing a Mod
- Remove all new mods and add them back one at a time until the crash reappears. A quick way to narrow it down: remove half your mods at once and test. If the crash stops, the problem is in the half you removed. Keep halving that group until you find the culprit
- Check Simblr.cc and EA Forums for known compatibility issues with that specific mod
- Check the mod creator's page – they may have released a Legacy-compatible update since the original was made
- Try the mod in a fresh test neighbourhood before using it in your main save
- Mods that directly patched the original sims.exe will not work in Legacy at all – the exe is DRM-protected. Check Simblr.cc for an updated version
- See Installing Mods for how to translate Complete Collection paths to Legacy paths for older mods
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Sim Appears Headless, Bodyless, or With Floating Hands
The mesh is present but the game is silently skipping it
⚠️ A silently invisible mesh is different from a crash. When this happens, the mesh file exists and the CMX points at it, but something inside the files stops the game from displaying it. Three specific causes are worth checking before assuming the mesh itself is broken.
Three common causes:
- The mesh name on line 1 of the SKN file ends in
.skn. It should not. Open the SKN in Notepad and check: line 1 must be the filename without the extension. - The texture name on line 2 of the SKN file ends in
.bmp. Same rule – no extensions inside the file. Either the bare texture name or a singlexif the mesh has no default texture. - The mesh is inside
Animation.farbut the BCF referring to it sits outside that FAR. The game resolves paths differently for meshes inside vs outside FAR archives. If you have pulled a mesh out of Animation.far, either keep all the related files together or re-pack them into a matching FAR.
ℹ️ Other things to check: a mesh with internal format errors (face count does not match actual faces, missing blend vertices) still loads but appears distorted or broken. Loading the SKN in BodyWarp and re-saving it sometimes fixes the format without otherwise changing the mesh. If BodyWarp refuses to load it, the file is seriously corrupt – get a fresh copy.
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Skins Show as a White Blank Body
🚨 This is almost always a BMP colour depth issue. Sims 1 requires Indexed (256-colour) BMP files. Regular 24-bit BMPs, PNGs or JPGs will always show as a white silhouette in-game.
How to convert to 8-bit indexed BMP:
- Photoshop: Image → Mode → Indexed Color → set Colours to 256 → OK. Then File → Save As → BMP (it will default to 8-bit after conversion)
- GIMP: Image → Mode → Indexed → Maximum colors: 255 (this is correct – GIMP reserves one palette slot internally) → Convert. Then File → Export As → save as .BMP
- IrfanView (free): Image → Decrease Color Depth → 256 Colors. Then File → Save As → BMP
- Paint.NET: Install the IndirectBitmap plugin, then save as Indexed BMP
- Do not use PNG, JPG, WebP or 24-bit BMP – none of these work in Sims 1
ℹ️ If you downloaded the skin rather than made it yourself, try re-downloading from the original source – some archived sites incorrectly serve 24-bit BMPs even when the original file was correct.
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CC Limits and Engine Caps
Glitches caused by exceeding built-in limits
⚠️ The Sims 1 engine has hard caps on CC. These existed in the original game and have not been raised in Legacy Collection. If you have a lot of CC and the game behaves strangely, these limits are often the cause.
| CC Type | Base Game Cap | With Expansion | Symptom when exceeded |
|---|---|---|---|
| Build mode objects | 200 per category | 2,000 (Unleashed) | Fences show as pool ladders, plants show as fireplaces – CC is still there, categories are overflowing |
| Wall coverings | 90 | Functionally uncapped | Extra walls don’t appear in-game on base game. Any expansion removes the base-game cap. Community creators working in the 2000s thought the cap with expansions sat around 65,000 per category, though this has not been verified against the Legacy Collection. |
| Floor tiles | 63 | Functionally uncapped | Same as walls – excess floors invisible on base game. Expansion removes the limit. Same 65,000 community estimate. |
| Downloads folder | Keep under 2.5–3.5 GB total | Random crashes with no obvious cause. Community technical support documents this threshold. | |
| Skin files | No confirmed hard cap | The Skins folder has no documented hard limit, but very large collections are associated with instability. If the game becomes unstable, a binary-search approach – temporarily moving half the Skins folder out, testing, then halving again – narrows down the culprit. | |
⚠️ Even a “functionally uncapped” category is not uncapped in practice. Sims 1 has no search or sort in the Build and Buy catalogues – you scroll through a single flat list. A few hundred walls or floors is already tedious to navigate; thousands is effectively unusable even if the game loads them. Rotate custom content in themed batches rather than stockpiling everything at once.
ℹ️ Managing large collections: Create a staging folder outside the game install (e.g. your Desktop) and move excess CC there. The game only reads the folders it knows to look for. Rotate CC in themed batches – install only what you plan to use in a session.
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Old Complete Collection Mods Not Working
- Most old mods work in Legacy – the game code is the same. The main issue is file paths. See Installing Mods for full path translation
- Old paths referencing
C:\Program Files (x86)\Maxis\The Sims\need updating to your Legacy install location - Mods that patched sims.exe directly will not work – the exe is DRM-protected. Check Simblr.cc for an updated version
- Check the mod creator's page or Simblr.cc for a Legacy-updated version before assuming it's permanently broken
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FAR Files Not Loading
- .FAR files go in
Downloads\alongside .iff files - If the FAR was designed for a specific expansion, it may need to go in that expansion's subfolder (
ExpansionPack1-7). The readme will specify this. - Use FARx (from the Sims1Tools GitHub repo) to extract the FAR contents and inspect what's inside – files may need to go in different folders
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Old Maxis .exe Installers Won't Work
Get Cool Stuff downloads from the original Maxis website
The original "Get Cool Stuff" content from the Maxis website (2000-2003) was distributed as Windows .exe installers. These look for the game at the old Complete Collection registry location, which Legacy Collection doesn't create. The installer will either fail silently or say it can't find the game.
⚠️ Do not run the .exe files. Open them with 7-Zip as archives and extract the content manually instead.
Get 7-Zip (free)
Download from 7-zip.org if you don't have it. It handles almost every archive format including old Windows .exe installers.
Right-click the .exe and choose "7-Zip → Open archive"
The .exe opens like a zip file showing the folders inside – Objects, Skins, or similar.
Extract to a temporary folder
Click Extract and choose somewhere easy to find, like your Desktop.
Copy files to the correct game folders
Objects go in Downloads\, skins in GameData\Skins\ etc. The folder names inside the archive usually indicate the destination.
✅ Alternatively, use the pre-extracted Legacy-compatible archive: github.com/alon-abadi/the-sims-1-legacy-collection-get-cool-stuff
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CC Creation Tools Can't Find the Game
The Sims Creator, Home Crafter and similar old tools
Old CC tools locate the game by reading a Windows Registry entry at:
HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Maxis\The Sims
The Legacy Collection creates no registry entries, so these tools either fail to launch or save output to the wrong location.
✅ Easiest fix: Use the Feraligatr installer ↗ – it bundles a selection of original Maxis tools (The Sims Creator, Home Crafter, Art Studio, FaceLift, FileCop, Make-A-Celebrity, Make-A-Date, Menu Editor, Object Organizer) and handles the registry key and compatibility settings for those tools automatically. Other tools not included in this installer will need the manual registry fix below.
If you prefer to fix it manually, or already have the tools installed from another source:
🚨 Edit the registry carefully. Only add the specific key described below. Registry errors can cause system problems – if you're not comfortable with this, ask for help.
Open Registry Editor
Press Windows + R, type regedit, press Enter. Click Yes if prompted.
Navigate to the Maxis key
In the left panel, drill down to: HKEY_LOCAL_MACHINE → SOFTWARE → WOW6432Node → Maxis. If a "The Sims" key doesn't exist inside Maxis, right-click Maxis → New → Key and name it The Sims.
Add the InstallPath value
Click the "The Sims" key. In the right panel, right-click → New → String Value. Name it InstallPath. Double-click and set the value to your full game path:
C:\Program Files (x86)\Steam\steamapps\common\The Sims Legacy Collection\
Or for EA App: C:\Program Files\EA Games\The Sims Legacy\
Test the tool
Close and reopen the CC tool. It should now find the game.
IFF Pencil 2 crashing on Windows 10/11
Even with the registry fix, IFF Pencil 2 may crash with an "Access Violation" error on modern Windows. Fix: right-click IFF_Pencil_2.exe → Properties → Compatibility tab → check "Run this program in compatibility mode for: Windows XP (Service Pack 3)" → also check "Run as administrator" → Apply. Make sure script.txt, shyscript.txt, and sst.txt are in the same folder as the exe. Download from trolando's GitHub to get all required files.
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