About this game
Sudoku Puzzle brings the classic number grid challenge straight to your browser. The board is made of 81 squares, and your job is to place the digits 1 through 9 into the empty cells so that no digit repeats within any row, column, or 3x3 region. The rules are simple to learn, but the puzzles quickly demand careful reasoning as the gaps grow.
The game suits both beginners who are just discovering number logic and experienced solvers looking for a steady mental workout. Each puzzle has its own structure, so you can take your time, test possibilities, and work out which move opens up the next one. It is free to play, runs in the browser, and needs no download before you start.
Beyond the satisfaction of finishing a grid, regular practice helps sharpen concentration and logical thinking. Can you solve every puzzle and reach the top score? Start now and see how far your skills can take you.
How to play
Click or tap an empty square, then enter a number from 1 to 9. A number cannot repeat in the same row, column, or 3x3 region. On touch screens, tap a square to select it and then choose your number.