Train Your Brain. Play to Win with SudokuW
The classic number puzzle loved by millions. Challenge yourself with easy, medium, and hard puzzles - play instantly on any device.
Choose Your Challenge
Pick a difficulty that matches your skill level and start solving.
Very Easy
Gentle Sudoku for total beginners. Plenty of clues, no advanced moves needed.
45-50 clues Play NowEasy
Perfect for beginners. Learn the basics with generous starting clues.
36-40 clues Play NowMedium
Balanced puzzles that reward pencil marks and careful scanning.
30-34 clues Play NowHard
Advanced techniques required. For experienced solvers who want a real challenge.
24-28 clues Play NowExpert
For seasoned solvers. Sparse clues and chain-based techniques like X-Wings.
22-26 clues Play NowMore Ways to Play
Beyond classic Sudoku - compete, progress, and challenge friends.
How to Play Sudoku
Fill each row with the numbers 1-9, no repeats.
Fill each column with the numbers 1-9, no repeats.
Fill each 3x3 box with the numbers 1-9, no repeats.
Use logic and deduction - no guessing needed!
Why Play Sudoku?
Sharpen Your Mind
Sudoku trains logical thinking, pattern recognition, and working memory.
Reduce Stress
A focused puzzle session calms the mind and provides a mindful break.
Feel Accomplished
Every completed grid is a satisfying win - track your progress over time.
Play Anywhere, Free
No downloads, no sign-up. Works on desktop, tablet, and mobile.
Learn & Improve
Free, in-depth guides for every level. Master the techniques expert solvers use - then put them to work on your next puzzle.