- SudoPedia { a static copy, instead of www.sudopedia.org }
- WikiPedia Sudoku article
- Sudoku Solving Guide
- Advanced Strategies
- Sudoku Hints
- Solving Techniques
- SudokuXP (paulspages) How to solve
- Solving Sudokus
- Sudoku Help
- Solving Techniques
- Sudoku Strategy
- Solving Sudoku Puzzles
- Techniques for Solving Sudoku
- WikiHow: Solve a Sudoku
- Guide to Solving Sudokus
- Sudoku- How to Solve
- Solving Sudoku (PDF)
- Sudoku Solving Techniques
- Sudoku Strategy Guide
- Sudoku Tutorial
- Sudoku Hints
Ruud
These link(s) have broken since Ruud's original posting:
- users.bigpond.net.au/sbryan/other/sudoku.html = Sudoku Explained