Free Suduko Software

Good Old Sudoku by FreeGames4Rest

The most popular logic puzzle in Japan. It is very simple to learn, requires no calculations, and provides a surprisingly wide variety of logic situations. The rules are simple. Each row, column and minibox comprises the numbers 1 through 9. The solver must complete the missing numbers. So the completion rules are so simple and yet the overall task can be difficult. Sudoku is recommended by some teachers as an exercise in logical reasoning.

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Hard Sudoku Puzzles by Sudoku Puzz

Twenty hard sudoku puzzles in a PDF file to print and solve. Sudoku is the number game where you shall fill in the empty fields with the numbers from 1 through 9. Then every row must contain the numbers from 1 through 9. And every column must contain the numbers from 1 through 9. And every 3x3 square must contain the numbers from 1 through 9.

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