Play Sudoku online — free, a new puzzle every day
Play free Sudoku online in your browser — no app and no sign-up. A fresh puzzle every day across 10 difficulty levels, from very easy to evil, with your progress saved as you solve.
How to play Sudoku?
Instructions
- Choose the sudoku difficulty level you want from the dropdown menu at the top. You have 10 levels to choose from, from very easy to evil, plus the magic, X, killer and samurai variants.
- Fill in the cells. You can do this by clicking on the cell directly or by selecting the cell you want and clicking on the numeric keypad on the right.
- When you fill everything in correctly, a congratulations message appears. If you're unsure while playing, turn on auto-check: it will flag any possible mistakes right away.
If at any time you want to check your numbers you can do so by pressing the check button. You can also show the sudoku solution or start over. Good luck!
How playing Sudoku online works here
Pick a difficulty and start straight away in your browser — there is nothing to install. As you play, the board highlights the row, column and 3×3 box you are working in, flags mistakes the moment you make them, and lets you pencil in candidate notes. Your game saves automatically, so you can close the tab and carry on later from exactly where you stopped, on any device.
Track your progress and compete
Every puzzle you finish earns points and a place on the daily and all-time leaderboards. Follow your solving times, build a daily streak, and see how you measure up against players around the world — all free, and you can start playing right away without an account.