Sudoku Online
The Sudoku is solved.
Time
Mistakes
Hints
Pace (median)
No points awarded
Points earned
+0 XP
New rank unlocked!
Personal best:
Game over
You have reached the limit of 3 mistakes, so the game cannot continue. This game will not be counted, and no points were awarded.
Time
Mistakes
Easy Sudoku
Fill in the numbers 1–9 so that each one appears exactly once in every row, column and 3 × 3 box.
Check your solution at
Play Sudoku free, no registration needed
Sudoku is a logic puzzle played on a 9 × 9 grid. Fill in the numbers 1 to 9 so that each one appears exactly once in every row, column and 3 × 3 box. There is no maths involved – just logic. Every puzzle has exactly one solution, and your game is saved automatically.
Four difficulty levels
What else you get here
- A hint that explains why a number belongs there, not just the answer.
- Notes that tidy themselves up the moment you fill in a number.
- A helper that points out wrong numbers on request.
- Undo, pause, and auto-save on every move.
- A daily challenge, streaks, points and badges.
- Dark mode and printing puzzles to PDF.
Frequently asked questions
Is Sudoku free to play?
Yes. Every difficulty level, the daily challenge, the solver and printing are all completely free, with no registration. We fund the site through advertising.
Is my game in progress saved?
Yes. Every move is saved to your browser. When you close or reload the page, the grid comes back exactly as you left it – notes and move history included.
How do the daily streak and points work?
You earn points for every Sudoku you solve, plus bonuses for playing without mistakes, without hints, or for using notes. Your streak grows by a day each time you solve a puzzle. This data is stored only in your browser.
Can I play Sudoku on mobile?
Yes. The grid adjusts to your screen, with its own number pad underneath.