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Pencil optional, patience required. Weekend Sudoku 31 is a standard number puzzle on a nine-by-nine grid, with no gimmicks and no time pressure. Your task is to complete the board so that each digit from one to nine appears exactly once in every row, every column and every small three-by-three box.
The puzzle yields to simple logic, not guesswork. Start with the cells that only have one possible digit, then use the new numbers to reveal more. The game is controlled with the mouse, so you click a cell and place a number. Regular players often find that a calm daily puzzle sharpens concentration, and this one is a handy size for a coffee break.
| Genre | Puzzle |
|---|---|
| Controls | Mouse or touch |
| Platform | Browser, phone and tablet |
| Cost | Free, no download |
| Screen | 800 x 600 px |
Yes. Weekend Sudoku 31 is free, runs in your browser and needs no download or sign-up.
Use the mouse to click a cell, then choose the number you want. On a phone, tap the cell instead.
Each row, each column and each 3x3 box must contain every digit from 1 to 9 exactly once.
More to play: Puzzle games · Sudoku games