Types of Sudoku puzzles

The World Puzzle Federation is an international organization dedicated to puzzles. It follows the Olympic standard, and brings together puzzlers from around the world for the annual World Puzzle Championship.

Sudoku Puzzle Types

6 Different Types of Sudoku Puzzles You Should Try - HobbyLark

Variations of sudoku puzzles.

Types of Sudoku Puzzles

6 Different Types of Sudoku Puzzles You Should Try - HobbyLark

Jigsaw Sudoku - Easy

Types of Sudoku Puzzles

Difficult Level in 4 Types of Sudoku Puzzles. 400 Collection

Glossary of Sudoku - Wikipedia

Naming New Puzzle Types.

Printable Sudoku Puzzles

Types of Sudoku puzzles

What is Sudoku? History and variants of the game