iPhone & iPod Touch App
App List
"Sudoku by Nikoli" is the application by Nikoli, the origin of SUDOKU fever.
"Sudoku by Nikoli" contains 9 free sample problems. You can purchase and add problem collections that contain dozens of Sudoku puzzles at the App Store, via the "Sudoku by Nikoli" application. Please try out the free sample problems. If you like these original Nikoli Sudoku puzzles, we are confident you will also enjoy the new problem collections you add.
The problem collections are categorized by difficulty (easy, medium, and hard) on the purchasing pages. When you add a new problem collection, it is simple to choose your favorite difficulty level of Sudoku puzzles. We keep publishing new problem collections, so you can continue enjoying our well polished finely tuned Sudoku puzzles as often as you wish.
We have worked hard to develop the Sudoku application, and with its original iPhone-like interface it has a great feel, solving Sudoku is smooth and pleasant.
"Sudoku by Nikoli" contains 9 free sample problems. You can purchase and add problem collections that contain dozens of Sudoku puzzles at the App Store, via the "Sudoku by Nikoli" application. Please try out the free sample problems. If you like these original Nikoli Sudoku puzzles, we are confident you will also enjoy the new problem collections you add.
The problem collections are categorized by difficulty (easy, medium, and hard) on the purchasing pages. When you add a new problem collection, it is simple to choose your favorite difficulty level of Sudoku puzzles. We keep publishing new problem collections, so you can continue enjoying our well polished finely tuned Sudoku puzzles as often as you wish.
We have worked hard to develop the Sudoku application, and with its original iPhone-like interface it has a great feel, solving Sudoku is smooth and pleasant.
 Nurikabe Free |
 Nurikabe #1 |
 Nurikabe #2 |
 Nurikabe #3 |
 Nurikabe #4 |
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Nurikabe is an original Nikoli puzzle, born in the "Omopa" section of our quarterly "Puzzle Communication Nikoli".
 Shikaku Free |
 Shikaku #1 |
 Shikaku #2 |
 Shikaku #3 |
 Shikaku #4 |
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Shikaku is an original Nikoli puzzle, born in "Puzzle Communication Nikoli," and it is popular on "nikoli.com", Nikoli's website.
 Akari Free |
 Akari #1 |
 Akari #2 |
 Akari #3 |
 Akari #4 |
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Contact us
Please contact us using the email form at the "Inquiries about iPhone & iPod touch page."
About 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.".
We publish a wide variety of puzzle books and magazines, and also supply original puzzles for newspapers, magazines, and video games.
The Nikoli internet site is "nikoli.com" where you can play 12 different kinds of puzzles on your computer. Please visit "nikoli.com" and enjoy our original puzzles.