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Welcome to Sudopedia, your source for in-depth knowledge about the popular game of Sudoku.
Anyone can contribute to Sudopedia. Be bold when you encounter incorrect or incomplete articles. If you possess knowledge about a Sudoku related subject, you are invited to submit an article about it. The groundwork has been done with the terminology and solving technique indexes.


A good read when you are new to Sudoku.
Diagrams and Notations
Understanding how the Sudoku community communicates.

Index Pages

An alphabetic list of Sudoku terms with a brief definition.
Solving Techniques
A list of Sudoku solving strategies.
Sudoku Forums
A list of the most popular Sudoku discussion forums.
Sudoku Programs
A list of popular Sudoku computer programs.
Sudoku Guides
A list of Sudoku solving guides outside Sudopedia.
Sudoku Websites
A list of useful websites for Sudoku players.
Sudoku Variations
A list of popular Sudoku variants.
Mathematics of Sudoku
How many different Sudoku grids exist? What is the minimum number of givens? Answers here.
Programming Sudoku
Algorithms and data structures. How to code solving techniques.

Community Portal

Community Portal
How you can help Sudopedia grow.

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