New publication image

What's New

Major maintenance finished Jun 27, 2017

Due to scheduled maintenance, you could not access to the WEB Nikoli from 18:00 Jul 27.
We apologize for the inconvenience and thank you for your understanding.

"Sudoku Communication Vol.33," "Marugoto Puzzle Nurikabe (Re-issued)" and "Pencil Puzzle Collection Sudoku 1" are now on sale.

"Sudoku Communication Vol.33" contains 99 sudoku puzzles.
"Marugoto Puzzle Nurikabe" contains 112 nurikabe puzzles.
"Pencil Puzzle Collection Sudoku 1" contains 297 sudoku puzzles.
All our magazines and books are available at the "Purchase Nikoli Books" page.

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......

>>Let's Begin Nikoli Puzzles!

What is Nikoli?

The first puzzle magazine in Japan was published in August, 1980, this magazine was "Nikoli." So, yes, we are the pioneers in this field in Japan. Nikoli is now the company "NIKOLI Co., Ltd."

Since that first magazine, we have been publishing puzzle magazines and books and supplying original puzzles to other publications (newspapers, weekly and monthly magazines). We are constantly studying and inventing new puzzles and have created over 200 kinds of original puzzles.

We confidently assure you that among Japanese puzzle solvers, Nikoli stands for fantastic puzzles.