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Unity.jsonMessagePack (encrypted) → JSON

Cult of the Lamb Save Editor

Edit Cult of the Lamb save slots — coins, Faith, Devotion, followers and run progress.

Edit Cult of the Lamb SaveGeneric Editor
Files encrypted in transit
Server-side parsing
Auto-detect format

About Cult of the Lamb Saves

Cult of the Lamb stores each save as slot_0.json / slot_1.json / slot_2.json (plus meta_N.json) in Unity's LocalLow AppData folder. The data is MessagePack wrapped in light encryption, so it opens as scrambled binary in a text editor. After decrypting with a community tool, the file becomes a deeply-nested JSON object holding your cult name, Faith meter, Devotion, inventory, follower roster, day counter and unlock flags. This editor maps those keys with forgiving deep-wildcard matching. Always close the game and back up your saves folder before replacing a file, and re-encrypt after editing.

What You Can Edit

Gold coins
Wood, stone & bones
Faith meter
Devotion (temple currency)
Current day
Deaths & enemies killed
Difficulty
Bishops defeated & story flags
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How to Edit Cult of the Lamb Saves — Step by Step

1

Close Cult of the Lamb and back up the entire 'saves' folder.

2

Open %USERPROFILE%\AppData\LocalLow\Massive Monster\Cult Of The Lamb\saves\.

3

Decrypt slot_0.json with a COTL decryptor (Pentalex / CotLSaveSerializer / osoclos extractor).

4

Upload the decrypted slot_N.json here and edit Faith, Devotion, coins and progress.

5

Download the edited file, re-encrypt it, and place it back as slot_0/1/2.json.

6

Launch the game and load the slot to confirm your changes.

Save File Locations

🪟
Windows

%USERPROFILE%\AppData\LocalLow\Massive Monster\Cult Of The Lamb\saves\

🍎
macOS

~/Library/Application Support/unity.Massive Monster.Cult Of The Lamb/saves/

🐧
Linux

~/.config/unity3d/Massive Monster/Cult Of The Lamb/saves/

☁️
Steam Cloud

Files sync via Steam Cloud — avoid a blind 'Upload to Steam Cloud' that could overwrite a good save.

slot_0 = save slot 1, slot_1 = slot 2, slot_2 = slot 3; each has a matching meta_N.json.

File format: MessagePack (encrypted) → JSON | Extension: .json

Platform Compatibility

🖥️

PC

Supported
🎮

PS4

Not Supported
🎮

PS5

Not Supported
🎮

Xbox

Not Supported
🕹️

Switch

Not Supported

⚠️ Save editing is only practical on PC. Console saves are sandboxed/encrypted with no known decrypt path.

How SaveEditor Handles Cult of the Lamb Files

Auto-Detect

Automatically identifies MessagePack (encrypted) → JSON format from file content

Smart Editing

Game-specific labels, categories, and quick-edit presets

Re-encode

Downloads in the original format — compression and encoding preserved

Frequently Asked Questions

Why does slot_0.json look like scrambled text?

The save is MessagePack with a light encryption wrapper. Run it through a COTL decryptor to get readable JSON, then re-encrypt after editing.

I can't find my gold coins — where are they?

Coins and materials are stored inside the Items inventory array as { type, quantity } entries (Coin = type 20). Edit the quantity there via the tree if the named field doesn't bind.

Will editing corrupt my save?

It can if the JSON is malformed or re-encrypted incorrectly. Always back up the whole saves folder first and keep values within sane ranges.

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