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How to play

No maths needed, just logic. Miko will walk you through it.

  1. The board

    A Sudoku is a 9×9 grid split into nine 3×3 boxes. Some cells already have numbers. Your job is to fill in every empty cell.

  2. The one rule

    Every row, every column and every box must contain the numbers 1 to 9, each exactly once.

    534678912

  3. Find the missing number

    This box already has 1, 2, 3, 5, 6, 7, 8 and 9. Only one number is missing, so the empty cell must be 4.

    534672198

  4. Use notes

    Not sure yet? Turn on Notes and jot small candidate numbers in a cell. When you place a number, matching notes in the same row, column and box disappear automatically.

  5. Hearts & hints

    You have 3 hearts. A wrong number costs one. Stuck? You get 3 hints per puzzle. Each one reveals a correct number.

  6. Daily challenge

    Everyone gets the same puzzle each day. It starts easy on Monday and gets tougher towards the weekend. Solve it daily to build your streak 🔥

Try an easy puzzle

Want more? Read the complete beginner’s guide or learn 10 solving strategies.