![]() Spot the missing numbersīeneath each puzzle are buttons you use to enter the numbers 1 to 9. Once you’ve solved that piece of the puzzle, move on to the next part. Start by focusing on a column, row or box. Any one Sudoku puzzle contains multiple puzzles within it. When solving Sudoku puzzles, players often feel as if they need to solve the entire puzzle from the beginning. Try using the following techniques to solve Sudoku puzzles. Try timing yourself to see how fast you can beat a given puzzle. You can change the difficulty level in Sudoku from beginner to intermediate or advanced if you want to solve more difficult puzzles. Use the orange guide to see which numbers you've already used in each row, column, and box. Do not forget to invite friends.To play our free online Sudoku game, tap and hold a number to lock it and you can use it for multiple cells. Use the numbers 1-9 in each of the 9 rows, 9 columns, and 3x3 boxes of the Sudoku grid. To compete with other players, you need to sign up on the website using Facebook. You can find the players' rating on the website or in the game itself. ![]() For the passage of these levels points are awarded. The more complex the level is, the fewer hints are given initially.Įvery day we create an exclusive level and add it to the level calendar. The game is divided into the following types:Īt the top of the screen you can generate a difficulty level. In case you have chosen the option for the cell, then you need to use the first method of intersections, perhaps there are cells that can be determined definitely. This method is very hard, since we can almost solve Sudoku and go to a dead end, and then have to go back to another option. In this case, you’ll need to come back to the step of selecting back and choose another option. If we chose the wrong option, Sudoku will not be solved. Using the method of exceptions, choose one of the options as correct and continue solving the puzzle. In the lower right corner there are button numbers that allow you marking an empty cell with numbers.įor the cells having variants, we cannot determine the solution. In case there are 2 or more options per cell, then you need to mark each option. In this case, we write the number into a square and continue to look for solutions for other empty squares. There might be single solution with just one number. Let’s find an empty square and check the missing numbers in a small square, placed horizontally and vertically. This number will be highlighted in all small squares and you will easily find the right place in a small square where it does not yet exist.Īfter you tried all the options, you can check the next method. You have to click on any digit in the box. It's very easy to use this method in our game. Let’s continue to search for other digits and find the right spots for them. In the figure, we showed the search for number 3 and found the right place using the method of intersections. Let’s exclude columns and rows where figure 3 occurs in adjacent small squares and try to establish the position of the digit 3 in the original small square. Then, let’s look for number 3 in the adjacent small squares in this column and row. Let’s look for a small square with no digit 3. We know that there must be only one number 1 in every small square. For an example, let’s begin the search with the number 1. In Sudoku, there are three small horizontal squares and three vertical ones. In every small square there must be one digit from 1 to 9 without repetitions. In the method of intersections, the search is done by small squares. We describe the two most popular of them. There are a few methods to find solutions for Sudoku. As a result, the puzzle is considered solved if the entire square is filled and all three conditions are met. To solve a hard Sudoku, it may take more than an hour.Īs a rule, Sudoku has one solution, but in complex Sudoku, a few options and solutions are possible. Easy Sudoku can be solved in a few minutes. The difficulty of Sudoku depends on the initial number of hints. Numbers should not be repeated in a small square (3x3).Numbers should not be repeated in one line.Numbers should not be repeated in one column. ![]() The player's task is to fill the remaining empty cells with numbers from 1 to 9 so that the following three conditions are met: The square is divided into 9 small squares, 3x3 cells each like at the picture below.Īt the beginning of the game, some cells has hints inside, the numbers from 1 to 9. Sudoku is a numerical puzzle with a square field of 9x9 cells inside, that is, 81 cells in total. Sudoku Game Rulesįirst of all, let's figure out what Sudoku means. We offer you to dive into the magic of numbers and enjoy the largest collection of Sudoku.
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