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Sudoku.com

Clean daily sudoku across five difficulties, with a notes mode that behaves the way a pencil is supposed to.

Opens in a new tab. We do not control this site and it may have changed since we catalogued it.

How to get the most from it

Sudoku.com sits in Grid & Tile Puzzles under Play, filed as coffee break.

  • Set aside five to fifteen minutes and give it your proper attention.
  • It works on a phone or a desktop, so open it on whatever is nearest.
  • It works with the sound off, so it is fine on a train or in a quiet office.
  • No account needed — you can start without signing up.
  • Go in expecting something calming and brainy.

About this category: Falling blocks, sliding tiles, merge mechanics and the whole lineage descending from a Soviet mainframe in 1984. Endlessly refined, never improved on.

Good for

  • Filling a coffee break properly
  • Winding down when your head is busy
  • Giving your brain a workout
  • A quiet break at your desk
  • Killing time on your phone
  • Trying it with zero commitment

Sudoku.com: quick answers

Is Sudoku.com free?

Yes. Sudoku.com is free to use and needs no account.

Do I need an account to use Sudoku.com?

No. You can use Sudoku.com without signing up for anything.

Does Sudoku.com work on a phone?

Yes. Sudoku.com works on phones as well as desktop browsers.

Is Sudoku.com safe for work?

Yes, we file it as safe for work. It also works muted.

How long does Sudoku.com take?

We file it as "Coffee break": Five to fifteen minutes of proper attention.

More in Grid & Tile Puzzles

All 16 in Grid & Tile Puzzles
  • Drop fruit into a box, merge matching pairs and watch the pile creep towards the line. Physics does the rest of the work.

  • Competitive multiplayer stacking with modern rules and opponents who will finesse you into the floor within ninety seconds.

  • The official browser Tetris, marathon mode included, so you can settle the argument about whether you are still any good.

  • Billions of generated puzzles in a layout untouched since 2005, which is precisely why it still loads before you finish blinking.

Same mood: calming

All calming sites
  • Scroll from the surface to the bottom of the Mariana Trench, meeting every creature at the depth it actually lives.

  • Timeline readings that describe periods rather than days, phrased as amateur psychology rather than fortune telling.

  • Type anything at all and watch it drift upward and dissolve. Nothing is stored, nothing is sent, nothing can be recovered.

  • Pour coloured sand into layered dunes with the mouse, which is considerably more absorbing than it has any right to be.

Keep exploring

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