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Hide sumo. Change solver mode: Traditional Sumo Auto-fill in obvious numbers Disallow incorrect moves. Highlight Candidates This tool can be used in many ways. The simplest is to find any row, column, or box with only one highlighted square for a number. That square is where the number has to go. Smart Hints work best in Sumo mode. Do I need a Smart Hint? Undo last move undoes the last move you made, correct or not. However, it has no advertising.

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Sudoku uses numbers, but no mathematics is needed, and that is why, it is so popular. If you are looking for Sudoku free games, search no more. Over www. All you need to do is to learn the rules, have a bit of spare time, and start playing. Sudoku stimulates the mind and logics which exist in each and every one of us. Studies show that playing Sudoku improves memory, mind clarity, and can even stop and prevent brain illnesses such as Alzheimers!

Find out what everybody is talking about, join this exciting 21st century world phenomena, and start playing Sudoku Sudoku rules The game's objective is to fill the puzzle with numbers ranging from 1 to 9 so that a number will not appear more than one time in any row, column, or region a region is a 3x3 box, and it is marked with a thicker line.

Each Sudoku puzzle contains 9 rows, 9 columns, and 9 regions. How to play Sudoku? When you start to solve a Sudoku puzzle, a part of it is already filled with numbers. These are your clues. You will have to fill the rest of the puzzle using those clues and according to the rules. The easiest way to solve a Sudoku puzzle is to work systematically.

Start with the number 1 and search for regions it is missing. Then, according to the rules, try to see if you can conclude where it has to appear over that region.

When you find an empty cell where this number has to appear, write it down. 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.

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. We started with the number 1, so our next number will be 2, then 3, 4, 5, until we reach 9.

Please note that there will be times when you won't find an exact location for a specific number. Functional cookies are set to recognise you when you return to our Website, set up your consent settings, and embed functionality from third party services. Also, these cookies enable us to personalise our content for you and remember your last game progress.

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