Sudoku — Play Free Online

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More Cards and Puzzles games

Sudoku

A cards and puzzles pick that earns its place next to Iron Snout. Sudoku is quick to learn, harder to put down, and it runs in your browser at full speed with no download.

Controls

Mouse or touch: click and drag cards, click cells, type letters. Nothing is timed unless the screen says so.

Tips

Play the first level slowly to learn the timing before you chase a score.
Use fullscreen for a bigger view; the button sits under the game.
If it stalls, reload the page — the build restarts cleanly.

Questions about Sudoku

How do I play Sudoku?

Mouse or touch: click and drag cards, click cells, type letters. Nothing is timed unless the screen says so.

Is Sudoku free?

Yes. Sudoku is free to play in your browser on ironsnout.io, with no download or account.

Does Sudoku work on a phone or Chromebook?

It is an HTML5 build, so it runs in any modern browser; a keyboard makes some games easier.