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Home > Best Free Sudoku Puzzle, Generator and Solver

Best Free Sudoku Puzzle, Generator and Solver [1]

Submitted by Jojo Yee [2] | Last update on 5th June, 2016 - 8:02am

Introduction

Sudoku is a simple logic puzzle and number placement game, easy to learn, great for zoning your logic thinking while you play the game.

There is only one rule to completing a sudoku: each 3x3 box, each row and each column, must contain each of the digits from 1 to 9 without repetition (there are nine cells in every row, column and box). The puzzle begins with some cells already numbered. Your task is to fill in all the rest.

While the rule of Sudoku puzzle is pretty simple, but it can be quite a challenging puzzle to solve. Never give up too easily though, the good news is there are free and good programs to help you solve it. They help scan and keep track of possible digits for blank cells, provide filters and color markers to make solving even tricky puzzles much easier, faster and more interesting.

What's more? There are numerous hints and strategies to help play the game and solve the puzzle, such as the one here [3].

 

Rated Products

[4]

HoDoKu [4]   [5]

Generate sudoku puzzles in five difficulty levels, with a solver and an analyzer


Our Rating: 
5
License: Free (Open source)
Platforms/Download: Linux [6] | Mac OS [6] | Windows (Desktop) [6] | [7]
Version reviewed: n/a
Jojo Yee [8]
Our Rating: 5/5
5
Summary:
Five different and configurable difficulty levels, includes solver and analyzer, summary of solving techniques and solution paths, redo/undo steps, show candidates and invalid values, next vague or concrete hints, cross platforms.
Puzzles can only be saved in a proprietary hsol format or a png image format, no import and export of files are supported.


Read more... [5]
License: Free (Open source)
Five different and configurable difficulty levels, includes solver and analyzer, summary of solving techniques and solution paths, redo/undo steps, show candidates and invalid values, next vague or concrete hints, cross platforms.
Puzzles can only be saved in a proprietary hsol format or a png image format, no import and export of files are supported.
Read full review... [5]
[9]

SuDoku Cracker [9]   [10]

Generate sudoku puzzles in high quality with a unique solution


Our Rating: 
4.5
License: Free (Private/Educational use)
Platforms/Download: Windows (Desktop) [11] | [7]
Version reviewed: n/a
Jojo Yee [8]
Our Rating: 4.5/5
4.5
Summary:
Create puzzles in 7 levels of difficulty with unique solutions, hint, solve next step or whole puzzle, show/hide candidates, open/save/print puzzles, plus other useful features.
Free registration is required to activate the software after installation.


Read more... [10]
License: Free (Private/Educational use)
Create puzzles in 7 levels of difficulty with unique solutions, hint, solve next step or whole puzzle, show/hide candidates, open/save/print puzzles, plus other useful features.
Free registration is required to activate the software after installation.
Read full review... [10]
[12]

SudokuBan [12]   [13]

Create and solve sudoku puzzles with a clean design and intuitive interface


Our Rating: 
4
License: Free (Open source)
Platforms/Download: Linux [14] | Mac OS [14] | Windows (Desktop) [14] | [7]
Version reviewed: n/a
Jojo Yee [8]
Our Rating: 4/5
4
Summary:
Cross-platform, clean design with intuitive user interface. Resizable up to 6x6 box, save and open, generator and solver.
Lacking redo/undo and print functions.


Read more... [13]
License: Free (Open source)
Cross-platform, clean design with intuitive user interface. Resizable up to 6x6 box, save and open, generator and solver.
Lacking redo/undo and print functions.
Read full review... [13]
[15]

Solo [15]   [16]

A Sudoku puzzle game included as part of Simon Tatham's Portable Puzzle Collection


Our Rating: 
4
License: Free (Open source)
Platforms/Download: [field_blackberry_download] | iOS [17] | Linux [18] | Mac OS [18] | Web App [19] | Windows (Desktop) [18] | [7]
Version reviewed: n/a
Jojo Yee [8]
Our Rating: 4/5
4
Summary:
Standard 3x3 box with various difficulty levels, optional and custom types, load, save and print games, redo or undo moves, add a 'pencil mark', and solving puzzles.
No import and export of files are supported.


Read more... [16]
License: Free (Open source)
Standard 3x3 box with various difficulty levels, optional and custom types, load, save and print games, redo or undo moves, add a 'pencil mark', and solving puzzles.
No import and export of files are supported.
Read full review... [16]
[20]

Simple Sudoku [20]   [21]

Create challenging Sudoku puzzles randomly with 5 grades


Our Rating: 
4
License: Free (Private/Educational use)
Platforms/Download: Windows (Desktop) [22] | [7]
Version reviewed: n/a
Jojo Yee [8]
Our Rating: 4/5
4
Summary:
5 grades of difficulty, scan and show possible numbers, hint and solution for the next value, adjustable window sizes, redo/undo moves, save/load/print puzzles, copy/paste to clipboard.
Solving the whole puzzle at one go is not provided.


Read more... [21]
License: Free (Private/Educational use)
5 grades of difficulty, scan and show possible numbers, hint and solution for the next value, adjustable window sizes, redo/undo moves, save/load/print puzzles, copy/paste to clipboard.
Solving the whole puzzle at one go is not provided.
Read full review... [21]
[23]

Isanaki Sudoku [23]   [24]

A standard Sudoku with numbers and a choice of Wordoku with letters


Our Rating: 
4
License: Free
Platforms/Download: Windows (Desktop) [25] | [7]
Version reviewed: n/a
Jojo Yee [8]
Our Rating: 4/5
4
Summary:
Sudoku and Wordoku modes, 6 levels of difficulty, generator and solver, 9x9 and 16x16 boards, highlight candidates, saving and opening, import and export, etc.
Certain buttons in the 16x16 board go beyond the window if not maximized.


Read more... [24]
License: Free
Sudoku and Wordoku modes, 6 levels of difficulty, generator and solver, 9x9 and 16x16 boards, highlight candidates, saving and opening, import and export, etc.
Certain buttons in the 16x16 board go beyond the window if not maximized.
Read full review... [24]
[26]

KSudoku [26]   [27]

A Sudoku for Linux provides a generator and a solver in 5 levels of difficulty


Our Rating: 
4
License: Free
Platforms/Download: Linux [28] | [7]
Version reviewed: n/a
Jojo Yee [8]
Our Rating: 4/5
4
Summary:
Configurable toolbars and themes, 5-levels of difficulty, support 9x9 and many other shapes, generator and solver, hints, redo/undo, saving and loading.
No printing of games.


Read more... [27]
License: Free
Configurable toolbars and themes, 5-levels of difficulty, support 9x9 and many other shapes, generator and solver, hints, redo/undo, saving and loading.
No printing of games.
Read full review... [27]
[29]

Pure Sudoku [29]   [30]

A Sudoku game with refreshing backgrounds and enough to play everyday for years


Our Rating: 
3
License: Free (Limited features)
Platforms/Download: Windows (Desktop) [31] | [7]
Version reviewed: n/a
Jojo Yee [8]
Our Rating: 3/5
3
Summary:
4 levels of difficulty, 40 over refreshing backgrounds, 20,000 different sudoku puzzles, auto save game progress, solving whole puzzle at one click.
No scanning and showing possible values, features such as hints, save and load games are limited to the paid version.


Read more... [30]
License: Free (Limited features)
4 levels of difficulty, 40 over refreshing backgrounds, 20,000 different sudoku puzzles, auto save game progress, solving whole puzzle at one click.
No scanning and showing possible values, features such as hints, save and load games are limited to the paid version.
Read full review... [30]
[32]

Total Sudoku [32]   [33]

A Sudoku program lets you automatically generate a new puzzle in 3 levels of difficulty


Our Rating: 
3
License: Free
Platforms/Download: Windows (Desktop) [34] | [7]
Version reviewed: n/a
Jojo Yee [8]
Our Rating: 3/5
3
Summary:
Create new puzzle in 3 levels of difficulty; save, open and print games, differentiate correct or wrong numbers entered.
No scanning and showing possible digits in blank cells, no solver provided.


Read more... [33]
License: Free
Create new puzzle in 3 levels of difficulty; save, open and print games, differentiate correct or wrong numbers entered.
No scanning and showing possible digits in blank cells, no solver provided.
Read full review... [33]

Play Sudoku Online

Other than Solo [15] mentioned in this article, DKM Sudoku Online [35] is well worth trying. It is almost as fully-featured as any of Sudoku download. Click 'Play Now' and go to 'Menu' to create a new puzzle in any of 4 levels. You can enter possible cell values manually in pencil mode, or let it scan for you. Other features such as undo last move, check for errors, hint, solve one or all cell values are included.

 

Related Products and Links

You might want to check out these articles too:

  • Best Free Jigsaw Puzzle and Creator [36]
  • Best Free Match-3 Puzzle [37]

 

Editor

This software review is copy-edited by Jojo Yee [38]. Please help edit and improve this article by clicking here [39].

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[1] http://www.techsupportalert.com/content/best-free-sudoku.htm
[2] http://www.techsupportalert.com/users/jojoyee
[3] http://angusj.com/sudoku/hints.php
[4] http://www.techsupportalert.com/content/hodoku.htm-0
[5] http://www.techsupportalert.com/node/8240
[6] https://sourceforge.net/projects/hodoku/files/
[7] http://www.techsupportalert.com/content/installer_advice.htm
[8] https://plus.google.com/108763408508653680999?rel=author
[9] http://www.techsupportalert.com/content/sudoku-cracker.htm-0
[10] http://www.techsupportalert.com/node/8244
[11] http://games.softpedia.com/get/Freeware-Games/SuDoKu-Cracker.shtml
[12] http://www.techsupportalert.com/content/sudokuban.htm-0
[13] http://www.techsupportalert.com/node/8241
[14] http://sourceforge.net/projects/sudokuban/
[15] http://www.techsupportalert.com/content/solo.htm-0
[16] http://www.techsupportalert.com/node/8242
[17] https://itunes.apple.com/us/app/simon-tathams-portable-puzzle/id622220631
[18] http://www.chiark.greenend.org.uk/~sgtatham/puzzles/
[19] http://www.chiark.greenend.org.uk/~sgtatham/puzzles/js/solo.html
[20] http://www.techsupportalert.com/content/simple-sudoku.htm-0
[21] http://www.techsupportalert.com/node/8245
[22] http://www.angusj.com/sudoku
[23] http://www.techsupportalert.com/content/isanaki-sudoku.htm-0
[24] http://www.techsupportalert.com/node/8246
[25] http://games.softpedia.com/get/Freeware-Games/Isanaki.shtml
[26] http://www.techsupportalert.com/content/ksudoku.htm-0
[27] http://www.techsupportalert.com/node/8249
[28] http://ksudoku.sourceforge.net/3.htm
[29] http://www.techsupportalert.com/content/pure-sudoku.htm-0
[30] http://www.techsupportalert.com/node/8247
[31] http://download.cnet.com/Pure-Sudoku/3000-18535_4-10477455.html
[32] http://www.techsupportalert.com/content/total-sudoku.htm-0
[33] http://www.techsupportalert.com/node/8248
[34] http://www.supersoft.ro/2013/07/total-sudoku.html
[35] http://www.dkmsoftware.com/Sudoku/index.htm
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