KenKen® - Brain Training Puzzle Train your brain with KenKen®, the unbelievably fun, exciting and addictive logic and math puzzle! KenKen is an amazing puzzle that is frequently described as “sudoku on steroids.” If you like other brain games such as sudoku, 2048, Threes, Kakuro, Unblock Me, Tricky Test, Tetris, Flow, jigsaw puzzles, word search pu
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Check the official page for current availability, supported devices and any in-game purchases.
App Store edition · Researched Nov 13, 2026 · Guide updated Nov 13, 2026.
You can begin by playing the unlimited 3x3 size puzzles included in the app. These smaller grids are specifically designed to help you learn the logic and math mechanics before you move on to more complex, larger grid sizes.
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The app offers a wide variety of grid sizes to suit your skill level, ranging from small 3x3 grids up to challenging 9x9 grids. You can select your preferred size to customize your puzzle experience.
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You have full control over your experience by selecting the difficulty level that matches your preference. Options range from Easy to Expert, allowing you to tailor the challenge of the math puzzles to your current skill level.
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Yes, the app provides three distinct input modes for digits and notes. You can choose the mode that feels most comfortable for your playstyle, making it easier to manage your logic and calculations while solving the puzzles.
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The app includes several helpful features to assist you during gameplay, such as Hints, Check, Undo, Redo, and Reset. These tools allow you to manage your progress and correct mistakes as you work through the math puzzles.
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Absolutely. The app supports a variety of music options, and you can even set your own music to play in the background while you focus on solving your puzzles, providing a personalized atmosphere for your brain training sessions.
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When you download the app, you receive 50 free math puzzles to get started. If you find yourself wanting more, you can easily order additional puzzles, which will appear immediately for you to continue your training.
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Yes, the app features social integration that allows you to post your results directly to Twitter. Additionally, you have the ability to email your results and invite friends to join the community and play along with you.
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To ensure you have the latest privacy and security improvements, simply update to the latest version of the app. Keeping the app updated ensures a hassle-free experience and keeps your data in safe hands while you play.
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This is the official app created by educator Tetsuya Miyamoto. It offers an addictive logic and math puzzle experience often compared to sudoku, providing virtually unlimited puzzles that you can customize by size, difficulty, and mathematical operations.
Based on source 1.
AI-assisted research with automated evidence and consistency checks. Good Game Daily organizes publisher information into practical answers. Guidance is an editorial interpretation of those sources. These notes are based on source research rather than a firsthand playtest; editions and later updates may differ.
Based on listed game features. This is not a firsthand review. Check the publisher’s listing ↗
We've just made some behind-the-scenes improvements to enhance your privacy and security. Rest assured, your data is in safe hands. To continue enjoying our app hassle-free, simply update to the latest version. Thanks for being a part of our community!
Release notes supplied by the developer through the App Store.
Developer description, as provided in the original store listing.
KenKen® - Brain Training Puzzle
Train your brain with KenKen®, the unbelievably fun, exciting and addictive logic and math puzzle! KenKen is an amazing puzzle that is frequently described as “sudoku on steroids.” If you like other brain games such as sudoku, 2048, Threes, Kakuro, Unblock Me, Tricky Test, Tetris, Flow, jigsaw puzzles, word search puzzles, or crossword puzzles, then you will LOVE KenKen!
This is the ONE-AND-ONLY Original KenKen app, created by acclaimed Japanese mathematics educator Tetsuya Miyamoto. Don’t be fooled by unauthorized versions such as mathdoku and calcudoku, and don't get stuck in a sudoku rut. Play KenKen math puzzles today!
KenKen appears daily in the New York Times and hundreds of other publications around the globe. NY Times puzzle editor, Will Shortz, calls KenKen "the most addictive puzzle since sudoku."
There are virtually unlimited KenKen puzzles available to you on this app. The first 50 are included FREE with the download. If you need more...no problem! Just order them and they'll appear immediately. YOU select the size, difficulty level, and operations.
KenKen Classic includes:
- 50 FREE fun math puzzles of every size and difficulty level
- Unlimited FREE 3x3 size puzzles to learn from and enjoy
- Virtually unlimited puzzles, ranging from 3x3 to 9x9 grids, from Easy to Expert
- A variety of color schemes and music (you can even set your own music to play in the background)
- 3 input modes for digits and notes
- Great extra features such as Hints, Check, Undo, Redo, Reset, Pause, and Timer
- Online leaderboards
- Ability to post results directly to Twitter
- Ability to email results and invite friends
Apple App Store lookup ↗ · Store ratings, prices, and availability can change. Check the App Store for your region.
KenKen Classic is listed on the US App Store. Availability varies by region and compatible device.
The recorded download price is free. In-app purchases, subscriptions, or additional content may cost extra. Source checked Nov 13, 2026.
Good Game Daily compares available samples of recent game mentions with the preceding 24-hour window. Coverage and source failures are disclosed. Read the methodology.
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