HOW TO PLAY SUDOKU
The rules are very simple:
some cells are fixed, the others must be filled with numbers from 1 to 9
the board is divided into 9 quadrants, each one made with 3x3 cells
on every quadrant you must put the 9 numbers without repetitions
furthermore, every horizontal line and vertical line of the board cannot
contain duplicate numbers
Insert the numbers in the cells, then press "Check" to verify if your solution
You can also check the board while you're solving it: the cells
with errors will be red marked.
Every time you complete a daily sudoku, you can enter the daily
scoreboard and advance you position in the all-time scoreboard.
If you prefer to print the sudoku and solve it on the paper
You can also see the solution of the
last published sudoku:
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