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 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

What’s New

Version 2.6

Improved performance and minor bug fixes.

Ratings and Reviews

4.6 out of 5
773 Ratings
773 Ratings
whatsup@f u ,

Its helped my mental depression but now it’s worse

Yaaaaaaaaaaaaeeeeeeee boiiiiiiiiiiiiiiiiiiiiiiii

Neil Wilson 64 ,

Pretty good

It is a great game.

One problem is that sometimes you can’t go back after you realized you made a mistake.
Sometimes the program goes back far to many steps and sometimes it won’t let you undo at all.

However, I am almost ready to buy my second thousand games.

cartercreagh ,


It’s become my favorite iPad/iPhone pastime.


KenKen Puzzle, LLC
36.6 MB
Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.
Age Rating
Rated 4+
© KenKen Puzzle LLC
In-App Purchases
  1. 250 Puzzles PLUS removal of all ads! $7.99
  2. 31 Puzzles PLUS removal of all ads! $1.99
  3. 1000 Puzzles PLUS removal of all ads! $14.99


  • Game Center

    Challenge friends and check leaderboards and achievements.

  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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