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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“Puzzle the Giants Vol.38”,“Sudoku & Logic Puzzles for Home Vol.9”,“Nikoli Puzzle Book Reprint Edition Slitherlink 3” are now on sale.
“Puzzle the Giants Vol.38” is the 2025 edition of the annual book of giant-size puzzles. This issue contains over 30 types of puzzles, about 100 in total. Please note that some of the puzzles are in Japanese.
“Sudoku & Logic Puzzles for Home Vol.9” contains about 80 puzzles, mainly Sudoku and Logic Puzzle.
The puzzles in “Nikoli Puzzle Book Reprint Edition Slitherlink 3” are all the puzzles of “Pencil Puzzle Book Slitherlink Vol.12”. This volume contains 96 puzzles.
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.