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Mods Not Showing in Game
- 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\
- BMP skin textures must be square or a whole-number width/height ratio (128×128 or 128×256 work, 256×192 will not show)
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
Skins Show as a White Blank Body
- 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
CC Limits and Engine Caps
Glitches caused by exceeding built-in limits
| 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 | 65,000 (Livin' Large+) | Extra walls don't appear in-game |
| Floor tiles | 63 | 65,000 (Livin' Large+) | Same as walls – excess floors invisible |
| Downloads folder | Keep under 2.5–3 GB total | Random crashes with no obvious cause. FAR file capacity estimated ~2 GB. | |
| Skin files | No confirmed hard cap | Crashes reported above ~3,000 files – binary-search the Skins folder to identify the culprit | |
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
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
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.
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.
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:
The Legacy Collection creates no registry entries, so these tools either fail to launch or save output to the wrong location.
If you prefer to fix it manually, or already have the tools installed from another source:
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:
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.
Invisible skins or headless Sims
- If a skin doesn't appear in Create-a-Sim, the CMX file may have an internal name that doesn't match its filename. Open the CMX in Notepad and check that the name on line 5 matches the filename exactly (without the .cmx extension).
- If a Sim appears headless or as floating hands, the mesh file (.SKN) referenced by the CMX is missing. Check that all three files (BMP, CMX, SKN) are present in GameData\Skins\.
- Body skin BMPs must be square or a whole-number ratio (128×128 or 128×256 are fine, 256×192 will not display). Note: some tools may still only load meshes bundled with the tool itself rather than all game meshes, but output should save to the correct Skins folder.