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……

nikoli Puzzles page

nikoli book shop

“The Pencil Puzzles 2024”,“Have a Ball with Pencil Puzzles – Kakuro 3” and “Have a Ball with Pencil Puzzles – Slitherlink 3” are now on sale.
“The Pencil Puzzles 2024” The Pencil Puzzles 20xx series are the renewal versions of our best sellers “Penpa 20xx” series. The book contains about 260 number puzzles, includes English explanation.
“Have a Ball with Pencil Puzzles – Kakuro 3” This book contains 90 kakuro puzzles ranging from easy to hard.
“Have a Ball with Pencil Puzzles – Slitherlink 3” contains 89 slitherlink puzzles ranging from easy to hard.


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.