Sudoku
Play Sudoku online with randomly generated puzzles in several difficulty levels. Fill the 9×9 grid using the keyboard or mouse, with conflicting numbers highlighted, plus a timer and hints. Popular for training logic and relaxing.
Select a cell and enter a number 1–9
Click a cell and press 1–9 to fill it, use the arrow keys to move and Delete/Backspace to clear; conflicting numbers are highlighted in red.
The puzzle is generated instantly on your device and always has a unique solution.
The puzzle is generated instantly on your device and always has a unique solution.