Variations of sudoku puzzles.

100+ Overlapping Sudoku Puzzles: 9 Different Sudoku Variants from Easy to Hard (Paperback)

Sudoku, Logic & Strategy Game

360 Sudoku Puzzles - Logic & Reasoning Activity Game Grids for Early Finishers

Glossary of Sudoku - Wikipedia

Possibly the craziest puzzle I've ever creater. A mix of 5 different sudoku variants in one puzzle, Samurai Style! A MU…

Math Games:Sudoku Variations

Puzzles by Djape Sudoku books, kakuro books, nonograms books…

Challenging Fun Brain Teasers: Hard Logic Puzzles & Brain Games for Adults: 500 Puzzles & 12 Puzzle Types (Sudoku, Fillomino, Battleships, Calcudoku, Binary Puzzle, Slitherlink, Sudoku X, Masyu, Jigsa

Glossary of Sudoku - Wikipedia

6 Different Types of Sudoku Puzzles You Should Try - HobbyLark

Math Games:Sudoku Variations

All the different types of Sudoku Puzzle

Classic Sudoku Archives - The Art of Puzzles