Sudoku Links
- Sudoku in Wikipedia
- A clear and comprehensive review of the game, its history, strategies and more from the open-source web encyclopedia.
- The History of Sudoku
- An up-to-date summary of Sudoku's spread, especially in the UK and United States.
- The Original Sudoku site
- Wayne Gould, the man who brought Sudoku to England, built this original commercial site for his puzzle company, Pappocom.
- Nikoli
- The English pages about Sudoku from the Japanese firm that sparked and nurtured the Sudoku fad in the 1980s and continues to play a major role in Japanese Sudoku.
- SudokuFun.com
- A cool Sudoku site, with a Sudoku speed challenge game, in which you can compete against other players.
- Sudoku for Kids
- An English site with printable 4 by 4 puzzles especially for kids.
- Leonhard Euler
- A biography with links about the Swiss mathematician whose concept "Latin Squares" underlies the principle of Sudoku.
- Sudoku Solver
- Stuck? Ready to give up? Then try this English site which lets you enter the numbers in your puzzle to offer a solution.
More Sudoku sites.