Tutorial #80 A difficult sudoku puzzle made easy

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

Techniques for Hard Sudoku

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

Tutorial #81 Elimination Heaven. A neat trick. You can do it. Locked Little Numbers.

Sudoku Tutorial # 88 The many tricks for Matching Pairs.

The Simple Trick For Hard Sudokus

Tutorial #56. A difficult puzzle solved from beginning to end. Lots to learn.

The Sudoku Trick All Expert Solvers Know

Tutorial #87. Beginners Delight. A difficult puzzle made easy

Sudoku 101: Hidden Triples

Improve At Sudoku: What To Do When You Get Stuck

Sudoku. Lesson 18 The amazing 3X3.

Tutorial #79 A sudoku Puzzle to blow your mind.!!! Locked little numbers.

Hard Sudoku Puzzle Made Easy: Solve With Me

How To Do Hard Sudokus In 10 Minutes

Tutorial #99 WOW Lots to learn for all levels.

X-Wings and the Rectangle Rule for Solving Medium to Hard Sudoku Puzzles

How To Play Sudoku for Beginners

Tutorial #50 Solving a hard puzzle from the beginning to the end