Use cross-hatching to eliminate possibilities across rows and columns.. Start with the easiest cells that have only one possible number.. ja The goal of Sudoku is to fill a 9x9 grid so that each row, column, and 3x3 box contains digits 1-9..

The beauty of Sudoku lies in its simple rules but complex solutions.. ja Take breaks if you feel stuck on a difficult puzzle..

Sudoku competitions showcase the best puzzlers in the world.. ja Box-line reduction narrows down possibilities within intersecting regions..

What version of Android does ja require?

The global Sudoku championship brings together the worlds best solvers.. ja The pointing pairs technique helps identify numbers restricted to specific cells..

A good Sudoku strategy involves systematic elimination of possibilities.. Sudoku is a beloved puzzle game enjoyed by millions of people around the world every day..

ja - Play Free Sudoku Online

Screenshots

🎬 Video Preview

94051:1804521850

About ja

ja Mobile Sudoku apps bring the classic puzzle to modern devices.. Trust the logic and avoid guessing whenever possible..

Sudoku enhances logical reasoning abilities through systematic problem solving.. The world record for fastest Sudoku solve is under two minutes..

ja Sudoku has been shown to have cognitive benefits for regular players.. Many studies suggest that regular Sudoku play can help maintain cognitive function..

ja - Sudoku enhances logical reasoning abilities through systematic problem solving..

Many Sudoku apps offer daily challenges to keep players engaged.. ja Hidden singles appear when a number can only go in one place within a row, column, or box..

Sudoku provides a screen-free option when played with pencil and paper.. ja A well-designed Sudoku puzzle has only one unique solution..

ja Many people enjoy solving Sudoku puzzles during their morning commute..

Key Features

🚀

ja

The satisfaction of completing a difficult Sudoku puzzle is unmatched..

🔒

ja

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

⚡

ja

Sudoku is a timeless puzzle that continues to attract new enthusiasts..

🎨

ja

Look for naked singles where only one number can fit in a cell..

📱

ja

Sudoku is an excellent brain exercise that can help keep your mind sharp..

💎

ja

Sudoku puzzles offer an excellent way to exercise your brain during leisure time..

Technical Information

Package Name	com.app.ja.gPZmH
License	Free
Operating System	Android
Category	sudoku education game
Language	English +72 more
Author	sudoku time killer
Players	95178,178201846540297,490239783587650
Date	2026-02-06 23:40:56
Content Rating	+12
File Size	16892.49270 MB
Version	95036.10874.19567
Developer Website	ja.com
Privacy Policy	View Policy
Permissions	Camera, Storage, Network
Port

Related Tags

Frequently Asked Questions

How to play ja?

Review your mistakes to learn from them.. ja Celebrate your progress and enjoy the journey of improvement..

Is ja safe to use?

Playing Sudoku regularly can improve your logical thinking and concentration skills.. ja Pencil marks help track possible candidates in each Sudoku cell..