Sudoku

Sudoku

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How to Play Sudoku

Fill the grid with numbers 1-9

🔢
Fill each row, column, and 3x3 box with numbers 1-9
❌
No repeats in any row, column, or box
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Tap a cell, then tap a number to place it
✏️
Tap Notes to pencil in possible numbers for a square

About Daily Sudoku

Play free Sudoku online with a fresh puzzle every day and four difficulty levels from Easy to Expert. Every puzzle has a single logical solution, so you never have to guess. Fill the 9x9 grid so that every row, every column and every 3x3 box contains the digits 1 to 9 exactly once.

The daily puzzle is the same for every Cuppa player, so you can compare your time on the leaderboard. Earlier puzzles stay in the archive for practice. Notes mode lets you pencil in candidates the way you would on paper.

How to play Sudoku

  1. Tap an empty cell, then tap a number from 1 to 9 to place it.
  2. Turn Notes on to pencil in possible digits without committing.
  3. Scan rows, columns and boxes for the one place a digit can go.
  4. Finish the grid to stop the clock. Mistakes are highlighted so you can fix them.

A new puzzle is published every morning, Sydney time, and signed-in members keep their streaks and scores across devices.

Questions about Sudoku

Is there a different Sudoku every day?
Yes. One new daily puzzle is published each morning, plus unlimited free-play puzzles at each difficulty.
Do I ever need to guess?
No. Every Cuppa Sudoku has one solution that can be reached by logic alone.
Which difficulty should I start with?
Easy or Medium if you are new. Hard and Expert need advanced techniques such as X-wings and naked pairs.

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