Open Sudoku is a simple open source sudoku game. it's the successor of the discontinued OpenSudoku.
About Open Sudoku
Open Sudoku (Package Name: org.moire.opensudoku) is developed by Moire and the latest version of Open Sudoku 4.4.6 was updated on May 22, 2025. Open Sudoku is in the category of Puzzle. You can check all apps from the developer of Open Sudoku and find 200 alternative apps to Open Sudoku on Android. Currently this app is for free. This app can be downloaded on Android 8.0+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.
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
Open Sudoku 4.4.6 Update
4.4.6: • New Hint strategy (Unique Rectangle types 6 and 7) • New translation to Romanian! • New title screen menu option to save Debug Logs • Bugfixes • Translations updates 4.4: • New SUID (Sudoku Unique ID) • New "Play random unsolved puzzle" button if there's no resume • New "Hint" strategies (Remote Pair, BUG: Bi-value Universal Grave, Unique Rectangle 1, 2, 4 and 5) • Bug-fixes and improvements • UI changes
4.4.6: • New Hint strategy (Unique Rectangle types 6 and 7) • New translation to Romanian! • New title screen menu option to save Debug Logs • Bugfixes • Translations updates 4.4: • New SUID (Sudoku Unique ID) • New "Play random unsolved puzzle" button if there's no resume • New "Hint" strategies (Remote Pair, BUG: Bi-value Universal Grave, Unique Rectangle 1, 2, 4 and 5) • Bug-fixes and improvements • UI changes
4.4.6: • New Hint strategy (Unique Rectangle types 6 and 7) • New translation to Romanian! • New title screen menu option to save Debug Logs • Bugfixes • Translations updates 4.4: • New SUID (Sudoku Unique ID) • New "Play random unsolved puzzle" button if there's no resume • New "Hint" strategies (Remote Pair, BUG: Bi-value Universal Grave, Unique Rectangle 1, 2, 4 and 5) • Bug-fixes and improvements • UI changes
Open Sudoku 4 brings with it a complete code rewrite, new features and multiple improvements: * Import/export Sudoku from various sources * Edit/create your own Sudoku puzzles with verification of it's validity * Use "Hint" to see next step hints when you get stuck * Double pencil marks (optional) And much more. Go to the project page to see full change log.
Open Sudoku 4 brings with it a complete code rewrite, new features and multiple improvements: * Import/export Sudoku from various sources * Edit/create your own Sudoku puzzles with verification of it's validity * Use "Hint" to see next step hints when you get stuck * Double pencil marks (optional) And much more. Go to the project page to see full change log.
4.4.2: • Several bugs hotfix 4.4.1: • New "Hint" strategies (Unique Rectangle 1, 2 and 5) • Bunch of bug-fixes and improvements • UI updates • Translations updates 4.4.0: • New SUID (Sudoku Unique ID) • New "Hint" strategies (Remote Pair, BUG: Bi-value Universal Grave) • New "Play random unsolved puzzle" button if there's no resume • Keyboard UI changes 4.3: • New "Hint" strategy (Empty Rectangle) • UI improvements • New translation to Finnish! • New translation to Tamil!
4.4.2: • Several bugs hotfix 4.4.1: • New "Hint" strategies (Unique Rectangle 1, 2 and 5) • Bunch of bug-fixes and improvements • UI updates • Translations updates 4.4.0: • New SUID (Sudoku Unique ID) • New "Hint" strategies (Remote Pair, BUG: Bi-value Universal Grave) • New "Play random unsolved puzzle" button if there's no resume • Keyboard UI changes 4.3: • New "Hint" strategy (Empty Rectangle) • UI improvements • New translation to Finnish! • New translation to Tamil!
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