tooljar

    Sudoku Game

    Play the classic Sudoku puzzle game - fill the grid with logic!

    ⏱️0:00

    Tap a cell, then tap a number to fill it. Use the Notes button to add candidate numbers.

    About Sudoku

    Sudoku is a logic-based number puzzle. Fill the 9×9 grid so that each row, column, and 3×3 box contains the digits 1-9 without repetition.

    How to Play

    • Each row must contain the numbers 1-9 without repetition
    • Each column must contain the numbers 1-9 without repetition
    • Each 3×3 box must contain the numbers 1-9 without repetition

    Tips & Strategy

    • Use note mode to mark possible candidates for each cell
    • Look for rows, columns, or boxes that are almost complete
    • If a number can only go in one place in a row/column/box, place it there