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Sudoku Puzzles
How to solve a Sudoku
The aim of Sudoku is to place a number from 1 to 9 (or whatever the dimensions are) in each blank field.
Click on a cell and choose a number to fill in the cell. You can click on a filled cell and choose the trash symbol to delete the cell.

Each columns, each rows and each outlined region must contain the numerals from 1 through 9 (or whatever the dimensions are) exactly once.
Check existing numbers to fill in blank fields. In this example we look at the 3x3 region on the right.

The number 3 is already contained in the upper and the middle row. Therefore, the marked cell would be the only one that would contain 3. In the second example, 7 goes into the marked cell similarly.

Sometimes a puzzle can be completed by searching the missing number. Of course there are many more tips to discover as you go along solving Sudoku puzzles.


