What’s new
- The radio option is gone: Ancient FM is not free software or free content
- The app no longer asks for the Internet permission
- Saves of 0.6.2 are kept
Quick answer
Dungeon logic puzzle: find the walls from the row and column counts
Oubliettes is a logic puzzle. Each grid hides a dungeon: work out where every wall is from the clues, with no guessing needed. Every grid has exactly one solution.
Rules
- The numbers along the edge give the number of walls in each row and column.
- Monsters and chests are never walls.
- Every monster sits in a dead end, and every dead end holds a monster.
- Every chest is in a treasure room: 3×3 open cells, one chest, one opening.
- Elsewhere, hallways are one cell wide and the whole dungeon is connected.
- Campaign: 250 levels that are the same for everyone, in five difficulties (6×6 to 14×14), all open from the start.
- Endless: randomly generated grids in the difficulty you pick.
- Tutorial: a dungeon you solve step by step, one rule at a time.
- Drag to fill a row or column, undo and redo, progress and history saved after every move.
- Screen reader support, a magnifier for large grids, plain digits and a calm mode without animation.
- Endless grids are generated on the device. No ads, no tracking, no account.
- Original medieval music loops and sound effects, with volume sliders.
Screenshots
How to install
- Download the APK from the button at the top of this page.
- Allow “Install unknown apps” for your browser or file manager only, not for every app.
- Open the downloaded file and confirm the installation.
- If installation fails with “App not installed,” remove an earlier build of the same app first. A signature conflict is the usual cause.
Data safety
- Every file is checked against its published SHA-256 before it is listed.
- Files are scanned for malware on every update.
- The permissions each app requests are listed on its own page.
- Read the full safety policy for how we test, flag, and delist files.
Frequently asked questions
What is Oubliettes?
Dungeon logic puzzle: find the walls from the row and column counts
Who develops Oubliettes?
Oubliettes is developed by Alexandre Tournai.
Which Android version does Oubliettes require?
Oubliettes requires Android API 26 or later.
What is the current version of Oubliettes?
The synchronized F-Droid version is 0.6.3.
Which license does Oubliettes use?
The signed F-Droid metadata lists GPL-3.0-or-later.
Where is the source code for Oubliettes?
https://github.com/all3f0r1/oubliettes
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