How to Fix “A source in the Swamp” Quest Bug in Atlas Fallen

The guide describes how to fix a stuck rise in the “A source in the Swamp” quest. There are a few ways to fix this, one of them is to restart the puzzle.

Downloading & Extracting

1) Download and Install Python 3.

2) Download Savegame utility Altas Fallen Savegame

3) Extract

4) Open Atlas Fallen savegame folder <path\to\steam>\userdata\<user id>\1230530\remote>.

5) Copy autosave*.sav last modified file to the previously extracted folder.

Extract as Json

Run Command Promt\Power Shell or something else in utility folder and type:

python extract_json autosave.sav autosave.json


python extract_json <sav file in> <json body out> {options}

-> Extracts the body from a save file as json.


  • –skip-era: Skips processing the game-specific portion of the save game body. May help with bugs or new game versions.
  • –keep-inner-json-as-string: Will export the inner json as a raw string, to produce a 1:1 representation down to the characters.

Editing .json file

1) Open the output file autosave.jsonwith any text editor, e.g. Notepad.

2) Press Ctrl+F or open Find window and type “lvl5_af_access_switch_puzzle_swamp”.

3) Scroll down and find the AccessSwitchFailed line, then replace the value false with true

"AccessSwitchFailed": {
"bool": true

3) Save!


Open Terminal and type:

python compose_json autosave.sav autosave.json autosave1.sav --compress


python compose_json <sav file in> <json body in> <sav file out> {options}
-> Replaces the body in a save file from a json representation.


  • –compress: Compresses the contents.

Move the game save file

1) Move changed autosave1.sav file to savegame folder.

2) Restart the game.

This guide about Atlas Fallen was written by Koşholadka. You can visit the original publication from this link. If you have any concerns about this guide, please don't hesitate to reach us here.

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