Blog Tutorials:
Sudoku Forums:
reddit Sudoku Forum – A great place for discussing Sudoku or getting help for solving puzzles. Very active.
SudokuSolver Forum – Not as fun to use as reddit but occasionally some good discussions..
The New Sudoku Player’s Forum – Does not seem to be active nowadays but some good content.
Marty’s dailysudoku.com Forum – Discussion of Daily Sudoku puzzles. Not very active but some good material.
SudokuSolver Forum – By rcbroughton.co.uk. A small amount of activity still happening.
Online Wiki:
Sudopedia.org – A great resource on all things Sudoku.
HoDoKu Wiki – A fantastic resource for leaning Sudoku!
Sudopeda.enjoysudoku.com Main Page – Main index. A mirror site of Sudopedia.org.
Sudopeda.enjoysudoku.com Terminology Page – Nice glossary of Sudoku terms.
reddit Sudoku forum wiki – Some good information.
sudokuwiki.org – A great wiki and website. Also, this site has a nice Sudoku solver.
Nice Loops – Probably the best explanation of Nice Loops on the Internet.
Sudoku Joy Manual – Lots of information on terminology and techniques.
Magic Tour France – Includes some lists of really hard Sudoku puzzles. And some other interesting links.
Iron Monger Sudoku – Some nice wiki pages on advanced techniques.
Sudoku Essentials – A nice site with good information.
Sudoku Software for Cell Phones
Enjoy Sudoku aka Sudoku Joy by Jason Linhart – Platforms support: iPhone, iPad, iPod Touch, Android, Droid, Kindle FIRE, Mac OS X, Web Browser. The camera scanning feature for loading a puzzle is the greatest thing ever!
dxSudoku #42 Sudoku Joy User’s Guide (iPhone and iOS devices)
Andoku Sudoku 3 by Markus Wiederkehr – Supported platforms: Android Devices, Kindle FIRE. Both Andoku and Sudoku Joy share the same base software and have similar features but we liked Andoku 3 the best for cell phones and tablets. It has the best difficulty level definitions. The camera scanning feature for loading a puzzle is the greatest thing ever!
Andoku Sudoku 3 on Google Play
dxSudoku #43 Andoku 3 User’s Guide (Android Phones)
Sudoku Software for Local Installation
HoDoKu by Bernard Hobiger – Supported Platforms: Requires Java running on Windows, Linux, or Mac OS X. Absolutely the best Sudoku software ever created. Hodoku will also grade the difficulty level of a puzzle.
dxSudoku #49 Hodoku User’s Guide
Simple Sudoku by Angus Johnson – This one has some nice features.
Sudoku Puzzle Generator by easton.me.uk – Sudoku Puzzle Generator enables Sudoku puzzles to be created, played, printed and solved.
Sudoku Software for Playing Online
NY Times Sudoku Puzzles – Three difficulty levels with online solver.
Sudoku Solver by Andrew Start – This one is web based. This is a nice puzzle solver. It supports some highly advanced puzzle solving techniques. This solver will also grade the difficulty of a puzzle. This is probably one of the best and most popular web based programs to use.
Classic Sudoku solver by Eric Fox – This one is also web based. It is powerful and was able to solve extremely difficult puzzles where other solvers had failed. It also has an interesting interface.
Marty’s Daily SuDoku – Web Based Sudoku application and solver.
Fiendish Sudoku – Fiendish Sudoku posts five new puzzles every day. Each puzzle has a unique solution and can be solved with pure logic, no guessing required.
Sudoku Hints – Free Online Daily Puzzles and Solver
Su-doku.net – Play unlimited Sudoku puzzles using our free online game. This one has a pretty nice interface.
Sudoku Puzzel Online – by Blubbie
Sudoku – by Sudokuxl.com (requires Flash)
Daily Sudoku – from Fed-Sudoku.eu (requires Flash)
Daily LIte Sudoku – by sudocue.net
Sudoku Puzzles – by puzzlemix. Nice list of puzzles.
Sudoku – by Sudoku.name. This one has some good puzzles. Also has a page just for solving puzzles.
Sudoku – by Goobix.com – Free Online Games
Brain Bashers Daily Sudoku – Has nice support for different levels of puzzles.
Online Sudoku by Sudokupuzz.com (requires Flash).
Sudoku – by websudoku.com – Rudimentary interface. But this one has some good puzzles.
Sudoku Online – by sudoku.com.au. Good one.
Daily Sudoku – by daily-sudoku.com, solve online.
Sudoku – Gallery from Paul. Play online.
Sudoku – by Bum.
Online Sudoku Player – by Fishysudoku.com
Sudoku Assistant – by stolaf.edu. This one has some very nice advanced features.
Puzzles and Puzzle Lists
Daily Sudoku Nightmare – by sudocue.net. This site has some really nice extreme puzzles.
Sudoku – puzzles from Sudoku.org.uk
Sudoku Printables – by Krazy Dad. Best place to get puzzles for solving by paper and pencil.
Printable Sudoku – by Sudokupuzz.com. Has different level puzzles you can print.
Sudoku – puzzles by menneske.no. Hit <ctrl-R> to refresh the screen and generate a new Sudoku puzzle.
Daily Sudoku – by MyDailySudoku.com. Easy puzzles.
Daily Sudoku – by daily-sudoku.com, print friendly available.
Sudoku Puzzles – from Puzzle Choice. A large list of printable Sudoku puzzles.
Sudoku – Gallery from Paul. Nice options for printing.
Sudoku Guides and Information
Sudoku – by Wikipedia or Encyclopedia Everything (Don’t Panic).
Sudoku Assistant – 10000 Method Examples. Very nice examples of techniques and patterns.
Solving Technique – by sudopedia.enjoysudoku.com Wiki
SudoCue – Sudoku Solving Guide
Sudoku Guide – by cwi
Strategy Families – by scanraid.com
Sudoku Technique Guide – by Brain Bashers
How to solve Sudoku – by sadmansoftware
How to play Sudoku – by Paul
Technique guide – by Sudoku Snake
Sudoku Essentials – Lots of interesting information and links.
Video Channels
dxSudoku – dxSudoku offers a large number of tutorial videos on specific puzzle solving techniques. Videos are no nonsense with content solely focused on topic. Videos include the use of overlay graphics and animations to help the viewer clearly see the patterns and concepts being demonstrated.
Books
Taming….
Mensa® Guide to Solving Sudoku: Hundreds of Puzzles Plus Techniques to Help You Crack Them All
Sudoku Primer: A System for Solving Sudoku Puzzles Anytime Anywhere
The Sudoku Method – Volume 1 – Beginner to Advanced (Learn how to solve Sudoku puzzles)
How To Play Sudoku: Your Step By Step Guide To Playing Sudoku
Solving Sudoku: Illustrated Strategies
Beginner Sudoku Strategies: Starter’s Guide to Solving Sudoku Puzzles
Sudoku For Beginners Who Want To Progress: 200 Puzzles With Corresponding Techniques Explained
Puzzle Generation or Creating Puzzles from Scratch
How to generate Sudoku boards with unique solutions
Generating difficult Sudoku puzzles quickly
How to Create a Sudoku Puzzle: Algorithm Explained
How can I generate Sudoku puzzles?
How To Create Sudoku Puzzles Revealed!
dxSudoku #58 Part I Creating Puzzles from Scratch – Seed Puzzles
dxSudoku #59 Part II Creating Puzzles from Scratch – Puzzle Creation
dxSudoku #60 Part III Creating Puzzles from Scratch – Special Topics
Sudoku Math
Mathematics of Sudoku – from Wikipedia.
Have you ever think Will We Ever Run Out of Sudoku Puzzles? – An good video on Sudoku math.
Sudopedia Mathematics – This page does a very good job breaking down the numbers.
Feedback on this page:
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