“Puzzle Communication Nikoli Vol.182”
Nikoli is the most advanced pencil puzzle magazine in Japan. The first issue was published in August, 1980.

“Nikoli Puzzle Book Reprint Edition Kakuro 1”
The puzzles in this volume are all the puzzles of “Pencil Puzzle Book Kakuro Vol.10”. This volume contains 92 puzzles.

“Nikoli Puzzle Book Reprint Edition Slitherlink 1”
The puzzles in this volume are all the puzzles of “Pencil Puzzle Book Slitherlink Vol.10”. This volume contains 96 puzzles.

“Nikoli Puzzle Book Reprint Edition Suiri Puzzle 1 (Logic Puzzles 1)”
The puzzles in this volume are all the puzzles of “Pencil Puzzle Book Suiri Puzzle Vol.8”. This volume contains 56 puzzles.

“Sudoku Communication Vol.44”
This book contains about 120 well-crafted sudoku problems. Also, some extra problems and columns.

“Puzzle Booklet “Beautiful Mazes”
This volume contains 34 very beautiful mazes.

“Puzzle Booklet “Tentsunagi (Dot to Dot)””
This volume contains 32 puzzles where you connect the dots to create a picture.

“Puzzle the Giants Vol.36”
This is a yearly book of giant-size puzzles. This year’s issue contains over 30 kinds of puzzles. Please note that some puzzles must be solved in Japanese.

“Sudoku & Logic Puzzles for Home Vol.5”
“Sudoku & Logic Puzzles for Home Vol.5” contains about 100 puzzles, mainly Sudoku and Logic Puzzle.

The iPhone App “Sudoku — Official Nikoli” is now available.

200 Nikoli Sudoku puzzles (20 beginner, 60 easy, 60 medium, and 60 hard) are available.

Of these, up to 130 questions (20 beginner, 60 easy, 40 medium, and 10 hard) can be solved for free.
The remaining 70 questions (20 medium and 50 hard) are charged. You will be able to solve them by paying in the app.

The Android version is not yet released.
If you have an iPhone, please download it!

# iPhone App “Sudoku — Official Nikoli”
https://apps.apple.com/us/app/sudoku-official-nikoli/id6444442602

*The app is provided by Crisp Co.,Ltd.
Please contact Crisp Co.,Ltd. with any inquiries, including inquiries regarding problems.