How can a puzzle be played by millions around the world, appear in leading publications, and find its way into classrooms across the globe... yet still have so many people who don't know its name?
That's KenKen®.
Born in a Japanese classroom, KenKen spread around the world not through a massive advertising campaign, but because people discovered it, played it, shared it and kept coming back.
Part logic. Part math. Completely addictive.
If you haven't discovered KenKen yet, now you have.
“Is KenKen the Next Sudoku?”
“The most addictive puzzle since Sudoku.”
“A puzzling global phenomenon.”
“My latest puzzle love: KENKEN.”
“The latest craze in games.”
“A richer puzzle than sudoku.”
The New Yorker explores how a simple classroom puzzle became a global obsession.
In 2004, in a Japanese classroom, a teacher tried something new: he stopped lecturing, drew a small grid on the board, and let his students reason their way to the answer. That grid became KenKen, the international puzzle phenomenon.
Read the KenKen StoryStories, strategy, and the occasional rabbit hole, from our team and the wider KenKen community.
You know the math. Now see what your brain can do.
, 
:
will place all possible Notes in the square. will get rid of all the Notes in the square.
