Classic Sudoku
The timeless grid, from Easy to Grandmaster.
SUDOKU PRO · PLAY ONLINE · LEARN · IMPROVE
Play Sudoku. Right here.
Start in the browser with no account, choose six difficulty levels and modern variants, then learn strategies or continue in the apps whenever you want.
PLAY A REAL PUZZLE
Classic Sudoku · Easy
Start playing now →
SUDOKU PRO APPS
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Android + Windows · progress, rewards and offline play
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Real web game
Start a Classic Sudoku now
CHOOSE YOUR CHALLENGE
Six levels. One clear path forward.
Start where you are comfortable and move up whenever you are ready. Every level opens as a real playable puzzle in your browser.
01●○○○○○
Easy
A relaxed start with more clues.
Play Easy →02●●○○○○
Medium
Balanced logic and comfortable pacing.
Play Medium →03●●●○○○
Hard
Fewer clues and sharper deductions.
Play Hard →04●●●●○○
Expert
Advanced solving with sparse clues.
Play Expert →05●●●●●○
Master
Deep chains and demanding logic.
Play Master →06●●●●●●
Grandmaster
The most demanding classic challenge.
Play Grandmaster →
MORE THAN CLASSIC
A complete Sudoku playground.
Shared puzzles open as playable web boards. The full app adds richer rules, progress, rewards and offline play.
Sudoku X
Classic Sudoku plus both main diagonals.
Jigsaw
Irregular regions with clean outlined shapes.
Killer Sudoku
Cages and sums add arithmetic deduction.
Sandwich
Use edge sums between 1 and 9.
16×16
A larger board with symbols 1–9 and A–G.
LEARN BY SEEING THE LOGIC
Strategies that are actually interactive.
Open a strategy, step through the board, inspect highlighted cells and candidates, then share that exact lesson with someone else.
Explore strategy lessonsX-Wing
SEE IT IN ACTION
Sudoku Pro gallery
TAKE YOUR PROGRESS WITH YOU
Sudoku Pro on Android and Windows.
Daily challenges, variants, achievements, guided learning, sharing, sync and a focused desktop experience.