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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“Have a Ball with Pencil Puzzles – Numberlink 1”,“Sudoku Strategy Guide (Revised Edition)”,“The Pencil Puzzles 2025” are now on sale.
“Have a Ball with Pencil Puzzles – Numberlink 1” contains over 90 numberlink puzzles ranging from easy to hard.
“Sudoku Strategy Guide (Revised Edition)” is a revised edition of the “Sudoku Strategy Guide” published by Nikoli in 2007. It will satisfy everyone from beginners to those who want to be able to solve more difficult problems.
“The Pencil Puzzles 2025″ are the renewal versions of our best sellers “Penpa 20xx” series. The book contains about 260 number puzzles, includes English explanation.
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.