Test your logical thinking and problem-solving skills with our interactive Sudoku puzzles. Available in multiple difficulty levels for players of all ages and expertise.
Choose from Easy, Medium, Hard, and Expert levels to match your skill.
New puzzles every day to keep your brain sharp and engaged.
Monitor your solving speed and improve with each game.
Play on any device with our responsive design.
Sudoku is a logic-based number placement puzzle. The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids contains all of the digits from 1 to 9.
The game consists of a 9x9 grid divided into nine 3x3 subgrids called "regions".
Each row, column, and 3x3 region must contain the numbers 1-9 exactly once.
Fill in the empty cells with numbers that don't violate the rules.
Apply deduction and reasoning to solve the puzzle without guessing.
Regular Sudoku play enhances working memory and recall abilities.
Develops logical reasoning and critical thinking capabilities.
Provides a focused activity that can help relax the mind.
Improves attention span and ability to focus on tasks.
Quickly scan rows and columns to find where a number can be placed in a 3x3 box.
Look for cells with only one possible number that can fit based on existing numbers.
Identify two cells in a row, column, or box that contain the same two candidate numbers.
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"As a math teacher, I recommend this site to all my students. It's clean, intuitive, and the daily challenges are perfect for practice."
"I've tried many Sudoku apps, but this website is by far the best. The interface is smooth, and I love competing with my own best times!"
Want a quick taste? Try solving this 4x4 mini Sudoku right on our homepage!
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