Cult of the Lamb save files Encryptor/Decryptor

This project serves as an encryptor/decryptor for the save files of Cult of the Lamb.

Drag and drop save files to decrypt or encrypt here.

Important Note

Before using this web app, make sure to create a backup of your save files. On Windows, these files are located under %UserProfile%\AppData\LocalLow\Massive Monster\Cult Of The Lamb\saves.

The save files consist of the following:

<number> corresponds to the save slot, with the first slot labeled as 0, and subsequent slots incrementing accordingly.

Usage Instructions

  1. Upload Files: Begin by uploading the files you wish to encrypt or decrypt.
  2. Decryption Process: The tool will generate decrypted files for you to work with. It is essential not to rename these decrypted files.
  3. Edit Decrypted Files: Once you have finished editing your decrypted files, you can proceed to reencrypt them.
  4. Reencryption: Simply upload the edited files on the provided page to reencrypt them.
  5. Insert the reencrypted files in your save folder. You can change the <number>.

Project Reference

Special thanks to CoTLMindReader by Moonkis. I transposed to native javascript the decryption/encryption algorithm he wrote in C#.