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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“The Pencil Puzzles 2026”,“CROSS-BE — Japan Crossword 100th Anniversary Special Edition”,“Nikoli Puzzle Book Reprint Edition Suiri Puzzle 3 (Logic Puzzles 3)” are now on sale.
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.