About

Welcome to Sudoku — a free, fast, and beautiful online Sudoku game built for puzzle enthusiasts.

Features

4 Difficulty Levels: Beginner, Intermediate, Hard, and Expert.
Smart Hints: Get help when you're stuck, with up to 10 hints per game.
Draft/Note Mode: Use pencil marks to track candidate numbers.
Undo/Redo: Made a mistake? Go back anytime.
Keyboard Shortcuts: Play faster with full keyboard support.
Score Tracking: Earn points for correct moves and time bonuses.
Zen Mode: Distraction-free gameplay experience.

Start Playing

No account required. Just pick a difficulty and start solving!