KenKen Classic II

KenKen Puzzle Co.

Contains adsIn-app purchases

About this game

Congratulations! You have found the ONE-AND-ONLY Original KenKen® Classic II, the unbelievably fun, exciting and addictive logic and math puzzle that appears daily in the New York Times, USA Today Online, the Times (UK) and hundreds of other publications around the globe. New York Times puzzle editor, Will Shortz, calls KenKen "the most addictive puzzle since sudoku" while others call it "Sudoku on steroids!"

KenKen Classic is a great way for puzzle fans of all ages to exercise their brains, and is the only version of this puzzle authorized by its creator, Japanese educator Tetsuya Miyamoto. Only KenKen guarantees hundreds of difficulty levels and just a single solution per puzzle. Don't be fooled by unauthorized versions like Calcudoku or Mathdoku, and don't get stuck in a Sudoku rut. Play KenKen math puzzles today!

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. After you complete a puzzle, a new puzzle of the same type will automatically load so you can continue to challenge yourself.

KenKen Classic II includes:

- 50 FREE puzzles of any size, from very easy to extremely challenging
- Unlimited FREE 3x3 grid size puzzles
- A vast selection of puzzles, ranging from 3x3 to 9x9 grid size puzzles
- A variety of color schemes to suite your style
- 3 input modes for digits and notes
- Great game play features such as Hints, Check, Undo, Redo, Reset, Pause, and Timer
- KenKen Store to get more games

KenKen Classic II is a great way for puzzle fans of all ages to exercise their brains.

A Little KenKen History:

KenKen was developed in 2004 by acclaimed Japanese mathematics educator Tetsuya Miyamoto (no, not two guys named Ken). His goal was to improve his students’ math and logic skills... and what better tool than a puzzle? So he developed one that would be understandable, fun, and challenging for anyone at any level. Most importantly, he wanted the puzzle to encourage independent thinking, emphasizing logic, reasoning, concentration, and perseverance. His puzzles immediately met with unbelievable success and are now played the world over by children, adults and the elderly. Since its invention, KenKen has become the world's fastest growing (and most enjoyable) puzzle and has proven to be one of the world's best brain exercises.

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Ratings and reviews

I am going to echo what many here have already written, and that is that the app will take your money for a reload of puzzles (in my case, $7.99 for 250 puzzles), only to stiff you by not sending you any puzzles. I've done this twice in the past year. KenKen tells me by email to clear my app data/cache, uninstall/re-install the app, and to open a "new" game, then put it down and go to the home screen. None of that works. Have done it over and over. Restarted my phone. Nada. So all I have left on my app is a bunch of easy games. This is a true case of caveat emptor. I can't believe the Google Play Store continues to let this app be available when it is quite clear that the puzzle purchasing function does not work and customers are not made whole.

Lots of options including grid size and challenge level. I've not seen a single bug in the game itself. You do have to pay for puzzles pretty fast, but prices are great, especially as this game appears to do a lot of client-side processing, making it a handy lightweight option when you're off WiFi. The Google Play store renewal didn't work for me. The help and support desk kept emailing me immediately as we worked through the problem with Google Pay (and fixed it quickly).

Great, except....Annoying "intro animation" for every puzzle (while the timer starts running). The first tap on every puzzle NEVER registers (while the timer has already started running). Horrible and loud sound effects and music are on by default (you can disable). EVERYTHING ELSE IS PERFECT!!! I paid for extra puzzles to remove the ads. Worth it. If it weren't for these two issues, perfect app.

What’s new

App Update! 🚀

Experience smoother and faster performance with our latest improvements.

Have fun playing KenKen!