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How to play:
* Move cursor rolling over with the mouse or using cursor keys.
* Write a number with the keys 1 to 9.
* Clear a cell with space, delete or backspace.
* Enter annotation mode clicking or pressing Enter on a cell. Annotation
mode is useful for solving hard sudokus. You can use it for annotate possible numbers
in a cell. In annotation mode cursor turns green.
*Annotate numbers with the keys 1 to 9
*Exit annotation mode moving to another
cell or click or pressing Enter.
* Solve Sudoku pressing key S
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| Sudoku |
Perhaps you are tired of a long day working and you just need to relax. Check out Sudoku if you want to have some fun. Enjoy !
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In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual.
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| Galileo Galilei |
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