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Sudaku - Pattern-driven sudoku

Find patterns to solve sudoku - your sudoku workhorse handles the grunt work
New in version 0.1.1
## changes

* new app icon design
* added Trophy Room with achievements and puzzle history
* difficulty levels: Easy, Medium, Hard, Expert, Extreme
* live difficulty indicator shows puzzle complexity as you solve
* puzzle import/export using dot notation
* puzzle state persistence - resume where you left off
* fixed dead-end detection in constraint solver
* improved layout
Find a pattern, let your logic ripple across the grid, and focus on your next insight. Sudaku is your tireless sudoku workhorse - it handles all the grunt work while you do the thinking. Spot something? It fills in every obvious consequence. Express patterns using constraints like alldifferent, one-of, and value elimination. Your rules, your strategy, your glory. 9×9 and 16×16 puzzles included.
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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.

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  • Version 0.1.1 (11) suggested Added on Feb 18, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 7.0 or newer.

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

    Permissions
    • com.gitea.theoden8.sudaku.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 48 MiB PGP Signature | Build Log

    • New in version 0.1.0
    ## changes

    * revamped UI/UX
    * added light/dark themes with modern and pen-and-paper styles
    * fixed assistant constraint cancellation bug
    * show open source licenses
    * removed drawer - constraint options now shown inline when cells selected
    * improved tutorial with auto-hints and responsive layout
  • Version 0.1.0 (10) - Added on Feb 13, 2026

    arm64-v8a armeabi-v7a x86_64

    This version requires Android 7.0 or newer.

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

    Permissions
    • com.gitea.theoden8.sudaku.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 44 MiB PGP Signature | Build Log

  • Version 0.0.6 (9) - Added on Apr 27, 2024

    arm64-v8a armeabi-v7a x86_64

    This version requires Android 6.0 or newer.

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

    No permissions

    Download APK 39 MiB PGP Signature | Build Log

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