Sudoku is a simple logic puzzle and number placement game, easy to learn, great for zoning your logic thinking while you play the game.

There is only one rule to completing a sudoku: each 3x3 box, each row and each column, must contain each of the digits from 1 to 9 without repetition (there are nine cells in every row, column and box). The puzzle begins with some cells already numbered. Your task is to fill in all the rest.

While the rule of Sudoku puzzle is pretty simple, but it can be quite a challenging puzzle to solve. Never give up too easily though, the good news is there are free and good programs to help you solve it. They help scan and keep track of possible digits for blank cells, provide filters and color markers to make solving even tricky puzzles much easier, faster and more interesting.

Want more? There are numerous hints and strategies to help play the game and solve the puzzle: Read More