Nikoli has been creating puzzles for 40 years and is surely a one-of-a-kind company in the world.

We have created the world’s largest crossword puzzle that has been verified by the Guinness World Records ®, and have coined the puzzle, “Sudoku”, which is now enjoyed in more than 120 different countries.
Human-crafted puzzles will always have a special place in this tech-dominated world we live in today.

Let’s Begin nikoli Puzzles!

A lot of people enjoy solving puzzles every day to escape the pressures of the world. With Nikoli logic puzzles you need just paper, pencil, and an active mind, no expensive programs or training……

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“Sudoku Communication Vol.48”,“A Book of Number Puzzles for Preschoolers”,“A Book of Word Puzzles for Preschoolers” are now on sale.
“Sudoku Communication Vol.48” is a biannual Sudoku magazine with over 100 puzzles ranging from easy to hard. It also has a few puzzles other than Sudoku and articles related to Sudoku.
“A Book of Number Puzzles for Preschoolers” is for preschool children to enjoy puzzles using numbers.
“A Book of Word Puzzles for Preschoolers” is for preschool children to enjoy puzzling with language.
All our magazines and books are available at the “nikoli book shop” page.

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Selected 200 good Sudoku puzzles from Nikoli, the original home of Sudoku.