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—Kakuro for Expert4”,“Have a Ball with Pencil Puzzles—Slitherlink for Expert4” and “Everyday Word search puzzle—Seekwords of Nikoli” are now on sale.
“Have a Ball with Pencil Puzzles—Kakuro for Expert4” contains over 90 Kakuro puzzles for experts.
“Have a Ball with Pencil Puzzles—Slitherlink for Expert4” contains over 90 Slitherlink puzzles for experts.
“Everyday Word search puzzle—Seekwords of Nikoli” This is a puzzle book where you can enjoy the word search puzzle “Seekwords” to your heart’s content!
These Seekwords were published in the NIKOLI “Pencil Puzzle Book” and have been re-edited with the excellent results published here.
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.