Keep in mind that the difference between easy, medium, and difficult puzzles depends mostly on your knowledge and level of experience with mastering Sudoku. Simple and easy Sudokus will allow you to discover the solution with a simple scanning technique. We know the bottom-left 3x3 region must contain the number 5 somewhere. Everything is about the logic decisions, the redundancy, and the complexity of the game. The easiest way to start is to look for cells where there is only one possible candidate. Overall, there is no connection between the difficulty of a Sudoku puzzle and the clues featured. You will have to discover a number that may or may not be correct, which in turn might lead you to solve the Sudoku or start the quest again. Hard Sudokus might come in the upper 20s, along with entire boxes or numbers unaccounted for.Īnd what is even more interesting, is that the hardest levels of Sudoku will make you use more than deduction.Easy Sudoku puzzles come with at least three in each row, column, box, and number, along with 30 givens.Moreover, the difficulty can be viewed as a manner of observing how many givens are in each row, column, or box, and how these can help you discover the correct place for each number missing.
#Easy and medium sudoku puzzles free#
The difficulty of a Sudoku puzzle is related to the number of tricks such as x-wing, xy-wing, unique rectangles, and so on.ĬLICK HERE TO PLAY ENDLESS FREE ONLINE SUDOKU PUZZLES ! CLICK HERE TO PLAY ENDLESS FREE ONLINE SUDOKU PUZZLES !Įasy and medium Sudoku puzzles can be understood and solved with the help of direct logical inferences. Of course, this depends on your skills and experience with mastering Sudoku puzzles.
The number of revealed squares might indicate to you the difficulty or the challenge your Sudoku puzzle has. Several research studies analyzed this game from a mathematical point of view, suggesting that its algorithmic properties are the ones that generate the challenge.
The main idea behind this puzzle is that a partially filled 9 x 9 grid needs to receive a set of numbers from 1 to 9, so that in each row, column, and 3 x 3 sub-grid a specific number appears only once.īut when it comes to classifying Sudoku levels based on their difficulty, there is an ongoing debate. If you want to master Sudoku, you most likely wonder how Sudoku difficulty levels are established.
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