About Sudoku Game
Sudoku is a number-placement puzzle with a nine-by-nine grid. Each row, column and three-by-three box needs the digits one through nine without repeats. Given numbers are fixed clues, so every entry should agree with all three areas it touches.
Work through the board in a deliberate order. A move can change several nearby cells or block a later route, so inspect the result before making another. When a plan stops working, trace it back to the first change that created the problem. Understanding that change is more useful than a rapid sequence of guesses.
How to Play Sudoku Game
- Complete the grid without repeating a digit in any row, column or box.
- Choose a difficulty and inspect the given clues.
- Select an empty cell and check its row, column and box.
- Enter a digit only when the constraints support it.
Controls
| Input | Action |
|---|---|
| Mouse / touch | Select a cell and a number. |
| Keyboard | Enter a number using the supported number keys. |
Click or tap inside the game before using the keyboard. The fullscreen button below the player gives you more room; the restart button reloads the game.
Tips for a better round
- Look for an area with only one missing digit before making an uncertain entry.
- A number that fits its row may still conflict with its box.
