Sudoku Zen

4.4
680 reviews
10K+
Downloads
Content rating
Everyone
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About this game

Ever been upset because you'd solved all puzzles from your previous favorite sudoku app or it requires constant internet connection, but you want to play it offline?
Cheer up, as now you'll never feel so again!

In this offline sudoku game you will find never ending challenging puzzles, all unique. It was designed as a perfect tool for people who love solving sudoku as much as we do.

Features:

• 6 game modes: classic and 5 with additional cells sectors:
Asterisk, Center-Dotted, Diagonal (SudokuX), Girangola, Windoku

• 5 difficulty levels from easy to very hard, so both beginners and experts will find it challenging

• 2 input modes ("digit-first", "cell-first")
• Pen and pencil tools
• Undo-Redo and Mistakes game

• Game score, timer and offline statistics
• Handy user settings

• Dark and light themes
• Colorful and grayscale color schemes
• Thoroughly designed UI, so nothing will distract you from solving process

• Responsive game grid with pretty animations

• Limitless puzzles

• No internet connection required, play offline wherever you want
• Ads free

Each sudoku table is generated on your device on-the-fly to guarantee you the best offline solving experience. Challenge a puzzle no one has ever seen before!
Updated on
Mar 10, 2020

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4.4
680 reviews
Andrea Chen (fallinghawks)
April 30, 2020
After trying several other Sudoku games I think this one has the best interface! Edit: thanks for the update! Better! Was: I like the random games and that you can fill in possibilities. However I wish the separation between 3x3 grids was a little more distinct, maybe a grey line rather than white. There doesn't seem to be a way to restart a game. Nor are you notified if you enter a duplicate. Overall it's an adequate implementation, but lacks some basic features.
18 people found this review helpful
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Cyanlab Games
March 11, 2020
Thanks for your feedback, Check out our latest update. It brings several new features, such as eraser tool and improved Undo-Redo mode.
Fugp Basis
June 23, 2020
I really liked this game, until I tried my first expert solve. No, I'm not whining that it was too difficult. I am talking about the fact that the very first one I played had multiple solutions. And obviously so. IT had the same naked pairs in the same column. First those that don't know the jargon, it means, I had cells (1,1) and (1,3) that could only be, say 2 and 6. But I also had cells (8,1) and (8.3) that could only be 2 and 6. This is not supposed to exist in a sudoku puzzle because either solution is possible. You could put the 2 in (1,1) and (8,3) and the 6 in (1,3) and (8,1), or you could put the 6 in (1,1) and (8,3) and the 2 in (1,3) and (8,1). This was easy for more to spot, simply because those 4 cells were the only empty cells I had left. But if I had come across that earlier in my solve, it could have caused a lot of confusion. As it was, I half expected my answer to b wrong when I randomly chose which solution to try, and was surprised to see it come out as a good solution. I DO like the variants. But they have to fix that issue.
8 people found this review helpful
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Cyanlab Games
June 23, 2020
Thank you for your review, we are glad you liked the game. We would like to ask you to email us if that situation repeats, as we never experienced such a problem before.
Niket Singh
September 30, 2021
The gameplay experience is optimal. I like how you can disable most of helping features as you get more skilled. I'd have given it 5 stars if every puzzle was given an unique ID and it was possible to load a puzzle from that ID. I'd also love to see support for extended snyder notation (Snyder notation, but you should also be able to mark naked pairs in a different font/style)
4 people found this review helpful
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What's new

• Eraser tool in Undo-Redo mode that can be used to clear cells from both pen and pencil numbers
• What's new section
• Distinguishable original cells (can be enabled in settings)
• Restoring pencil marks on Undo-Redo
• Fixed bug that caused statistics to be removed during app updates
• Minor improvements and optimizations