Playing Sudoku regularly can improve your logical thinking and concentration skills.. ja Box-line reduction narrows down possibilities within intersecting regions..

Regular Sudoku practice strengthens memory and recall capabilities.. ja Regular Sudoku practice strengthens memory and recall capabilities..

What version of Android does ja require?

The classic 9x9 Sudoku grid presents a perfect balance of challenge and accessibility.. ja Review your mistakes to learn from them..

Sudoku enhances logical reasoning abilities through systematic problem solving.. Sudoku provides a screen-free option when played with pencil and paper..

ja - Play Free Sudoku Online

Screenshots

🎬 Video Preview

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About ja

ja Mobile Sudoku apps bring the classic puzzle to modern devices.. The world record for fastest Sudoku solve is under two minutes..

Sudoku competitions showcase the best puzzlers in the world.. Sudoku can be enjoyed anywhere without special equipment..

ja The satisfaction of completing a difficult Sudoku puzzle is unmatched.. Sudoku is a timeless puzzle that continues to attract new enthusiasts..

ja - The puzzle format of Sudoku makes learning fun and engaging..

A well-designed Sudoku puzzle has only one unique solution.. ja Sudoku has been shown to have cognitive benefits for regular players..

The meditative quality of Sudoku helps many people relax and unwind.. ja Sudoku competitions showcase the best puzzlers in the world..

ja Pencil marks help track possible candidates in each Sudoku cell..

Key Features

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Sudoku tournaments test both speed and accuracy of participants..

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Swordfish is an extension of X-wing involving three rows and columns..

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Sudoku variants add exciting new rules to the classic format..

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X-wing patterns occur when a number appears in exactly two cells in two different rows..

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Use pencil marks sparingly to keep the grid clean..

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Sudoku teaches patience and the value of systematic thinking..

Technical Information

Package Name	com.app.ja.OkrxH
License	Free
Operating System	Android
Category	mini sudoku
Language	English +72 more
Author	sudoku forcing chains
Players	74065,190562649105812,364090548902618
Date	2026-02-06 19:31:58
Content Rating	+12
File Size	63570.98213 MB
Version	19328.05913.43768
Developer Website	ja.com
Privacy Policy	View Policy
Permissions	Camera, Storage, Network
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Frequently Asked Questions

How to play ja?

Many Sudoku apps offer daily challenges to keep players engaged.. ja Sudoku puzzles can be found in newspapers, magazines, and puzzle books..

Is ja safe to use?

Hidden singles appear when a number can only go in one place within a row, column, or box.. ja Sudoku was popularized in Japan in the 1980s and has since become a global phenomenon..