Keen
4.4star
388 reviews
50K+
Downloads
Everyone
info
About this game
Keen is a free puzzle game where the player fills in a grid so that each row and column has no overlapping numbers, while also satisfying the math operation in each section.
Keen is similar to sudoku and is sometimes also known as KenKen, Calcudoku, or Mathdoku. This app is unofficial and is not associated with Nextoy or the KenKen™ brand in any way.
Features:
• An unlimited number of levels
• Seven different grid sizes
• Five different difficulties
• A multiplication only option
• Undo and continue saved game options
The app is free, contains no advertisements, and is open source.
Enjoy!
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Notes:
• Based on a modified open source algorithm by Simon Tatham
• The app does not contain a tutorial. If you are not familiar with this puzzle type you will have to google it or learn via experimenting.
• High difficulty multiplication only levels can take a while to generate
• This app is unofficial and is not associated with Nextoy or the KenKen™ brand in any way.
Keen is similar to sudoku and is sometimes also known as KenKen, Calcudoku, or Mathdoku. This app is unofficial and is not associated with Nextoy or the KenKen™ brand in any way.
Features:
• An unlimited number of levels
• Seven different grid sizes
• Five different difficulties
• A multiplication only option
• Undo and continue saved game options
The app is free, contains no advertisements, and is open source.
Enjoy!
------------------
Notes:
• Based on a modified open source algorithm by Simon Tatham
• The app does not contain a tutorial. If you are not familiar with this puzzle type you will have to google it or learn via experimenting.
• High difficulty multiplication only levels can take a while to generate
• This app is unofficial and is not associated with Nextoy or the KenKen™ brand in any way.
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Ratings and reviews
4.3
358 reviews
Hunter L
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May 24, 2023
This is coded perfectly, and the simplicity and ease of gameplay is unbeatable! My only suggestion to make it better is to have a dark mode option where the colors are inverted. I love playing this at night, but the white background can strain my eyes. Outside of that, this is the best app on the app store.
1 person found this review helpful
A Google user
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August 26, 2019
To be fair, an unlimited, free game without ads is getting at least four stars from me no matter what, but this game is also well designed. The puzzles are challenging, and I found the double-tap for notes to be a clever UX feature. The look is pretty plain, and there's no timer, but if you complain about that on a game that's otherwise both robust and free, you're just a jerk.
15 people found this review helpful
Rebecca Holley
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May 24, 2022
NO ADS, limitless puzzles, and easy to customize difficulty! The downsides are 1) pretty small at 9x9 size, so it's easy to tap the wrong thing, 2) no 'clear board' button, 3) no dark mode. but this is a free (open source) app with no profit for the creator so it still gets high praise!
3 people found this review helpful
What's new
Fixed a new bug regarding continuing a save introduced in 1.3