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.

The Wide World of Sudoku

Sudoku Puzzle Types

6 Different Types of Sudoku Puzzles You Should Try - HobbyLark

Naming New Puzzle Types.

Ultimate Classic Sudoku: Sudoku and Puzzles of Easy Difficulty 4

Prinable Sudoku Templates – 15+ Free Word, PDF Documents Download

Types of Sudoku puzzles, WPF

The 10 Hardest Logic Puzzles Ever Created

Sudoku Puzzle Types

Types of Sudoku puzzles, WPF

Sudoku 3D puzzle Sudoku, Sudoku puzzles, Logic puzzles