"Sudoku Communication Vol.27" contains 115 sudoku puzzles.
"Heyawake (New Puzzles)" contains 112 Heyawake puzzles.
"Hashiwokakero (Re-issued)" contains 84 Hashiwokakero puzzles.
All our magazines and books are available at the "Purchase Nikoli Books" page.
18 Jul 2014, Amazon Fire TV app "Nikoli Sudoku" is now on sale at Amazon.com. Developed by Tetris Online, Inc. Challenge your mind with a relaxing game of Sudoku, today!
We have updated "Sudoku by Nikoli," Sudoku applicationfor iPhone, iPod Touch, and iPad. It works well on iOS 7 now. Please try it out!
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......
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.