Highlight digits - When this function is enabled, each time you click on a number, it will highlight all identical numbers over the puzzle. Mouse mode - Lets you solve the Sudoku with mouse only. From now on, every time you enter a wrong number, the cell will be highlighted with a red color. Checking the check box makes this function automatic. Once you have filled out the whole puzzle without any mistakes, you have successfully solved a Sudoku puzzle.Ĭheck - Checks for mistakes. This is because according to Sudoku rules, each number should appear in every row, column, or region. Once you find a number that is missing, that is the number you should write down in the empty cell. All you have to do is to go through all numbers from 1 to 9 and look for them in that row, column, or region. Sometimes you will reach a point where all cells in a row, column, or region will be filled, except one. Once you finish with the number 1 move up next to number 2 and so on. Look for regions it's missing and try to figure out according the rules, where it must be placed. Now go back to number 1 and start the whole process once again. When you finish the process with the number 9, the Sudoku puzzle should be filled with numbers you found their location. You can write it down in draft mode or simply skip to the next possible region or number. Please note that there will be times when you won't find an exact location for a specific number. We started with the number 1, so our next number will be 2, then 3, 4, 5, until we reach 9. Once you go through all possible regions this number might appear, move up chronologically to the next number and go through the whole process you did for the first number. Now go and look for another region this number is missing and try to see if you can find the exact location this number has to appear and so on. When you find an empty cell where this number has to appear, write it down. Then, according to the rules, try to see if you can conclude where it has to appear over that region. Start with the number 1 and search for regions it is missing. The easiest way to solve a Sudoku puzzle is to work systematically. You will have to fill the rest of the puzzle using those clues and according to the rules. Playing sudoku daily can boost your concentration, ease depression and even prevent Alzheimer's disease.When you start to solve a Sudoku puzzle, a part of it is already filled with numbers. Can you imagine that there are 5,472,730,538 possible sudoku puzzles?

The Times in London helped spread Sudoku to Western culture by publishing its first daily sudoku in 2004. Therefore, in the sudoku game, we have to fill in numbers without repetition. What is Sudoku? 'Su' in Japanese means numbers while 'Doku' means single. The best part of the game: This free online sudoku game delivers a new puzzle each and every day! Interesting Facts about Sudoku The goal of the game is to fill every square on the grid with a number from 1-9, where the numbers can only appear once in every row, column and 3x3 box. You can place notes, find sudoku tips, manage the timer and save the sudoku game by clicking the menu bar in the top-right corner. Worried about damaging your sudoku puzzle with eraser marks? When you play our free online sudoku game, there's no need! You can choose easy sudoku, medium sudoku, or even sudoku for experts if you are confident.

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