Sudoku Classic
- Sudoku
- Players: 1 player
- Difficulty: Medium
- Controls: Mouse, tap or keyboard
Fill the 9x9 grid so that every row, column and box contains the digits 1 to 9 exactly once.
About Sudoku Classic
Sudoku Classic is a Sudoku game for 1 player, rated Medium. It runs entirely in the browser, so the first move is one click away: nothing is installed and no account is created. A round takes a few minutes, which makes it easy to fit one in and then stop. Controls are Mouse, tap or keyboard, so the same board works with a mouse, a trackpad, a touchscreen or a keyboard.
How to play Sudoku Classic
- Press Play now above. The game loads in this tab, with no redirect and no plugin.
- Read the rule summary on this page once if the game is new to you; a first round teaches the rest faster than any tutorial.
- Use the pause and restart buttons inside the game when you want to step away or start a fresh board.
- Turn a phone sideways for a larger play area — the layout adapts to the width of the screen.
Frequently asked questions
- Is Sudoku Classic free to play?
- Yes. Every game on this site is free, with no paywall, no trial timer and no account requirement.
- Do I need to download Sudoku Classic?
- No. It is an HTML5 game that runs inside the browser, so nothing is installed on your device and no storage space is used.
- Can I play Sudoku Classic on a phone or tablet?
- Yes. The page adapts to small screens and the controls switch to touch input. A landscape orientation gives the widest play area.
- Does Sudoku Classic work offline?
- The page has to load from the web the first time. After a visit, the browser cache usually covers a repeat session, but a stable connection is recommended.
