How to play Sudoku

Sudoku Tutorial #40 A must know technique. NOT a puzzle.

Using Intersecting Lines When you're stuck on a Sudoku Puzzle - Basic Strategy

How To Do Hard Sudokus In 10 Minutes

Tutorial #82 Sudoku. An Unbelievable Technique. (locked little numbers)

Meandering Numbers: The New Sudoku?

Excel Sudoku Generator (Part 1/3)

How To Quickly DOUBLE The Number Of Givens In A Sudoku!

Sudoku, Tutorial #34 Managaing small numbers to solve very hard puzzles.

Sudoku 'expert' level tricks. Sudoku expert level. How to solve sudoku expert level #puzzle

dxSudoku #49 Hodoku User's Guide

The Sudoku With Only 2 Given Digits

Sudoku tutorial #86 Only 17 numbers to start!

Excel Sudoku Generator (Part 2/3)

Sudoku Tutorial # 88 The many tricks for Matching Pairs.

The Sudoku Trick All Expert Solvers Know

Excel Sudoku Generator (Part 3/3)

Connect 1 to 1, 2 to 2, 3 to 3 without crossing the lines! For High IQ only

Never mind the sample puzzle ... Here's the Real Deal

Techniques for Hard Sudoku