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Open Sudoku

Open Sudoku is an Open Source Sudoku game.
New in version 4.6.1
- New folders sorting feature [Rainer Popella]
- New translation to Catalan! [Joan Montané]
- Bugfixes/improvements [Bart Uliasz]
- Existing translations updates [大王叫我来巡山, தமிழ்நேரம், Andreas Pettersson, Bart Uliasz, Manuel Tassi, Óscar García Amor, Rainer Popella]
Open Sudoku is an Open Source Sudoku game.

Features:
• Without ads
• Puzzles can be downloaded from web, entered by hand or generated on the project's homepage
• Game stats (time spent, mistakes)
• Next step hints with multiple strategies suggestions
• Import to and export from a file
• Visual themes including custom theme editor
• Several input modes (finger-friendly numpad, popup, keyboard etc.)
• Double pencil marks
…and much more.

More information (including how to report ideas and issues) can be found on the project's home page: http://opensudoku.moire.org.

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 4.6.1 (20260412) suggested Added on Apr 13, 2026

    This version requires Android 8.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    No permissions

    Download APK 3.0 MiB PGP Signature | Build Log

  • New in version 4.5.10
    - New "Hint" strategy (X-Chain) [Rainer Popella]
    - New translation to Galician! [José M.]
    - Translation updates [AndyRn.t.me, Bart Uliasz, Lula Bye, Manuel Tassi, poesty, Rainer Popella]
  • Version 4.5.10 (20251229) - Added on Dec 30, 2025

    This version requires Android 8.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    No permissions

    Download APK 3.3 MiB PGP Signature | Build Log

  • Version 4.5.9 (20251213) - Added on Dec 14, 2025

    This version requires Android 8.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    No permissions

    Download APK 3.2 MiB PGP Signature | Build Log