There are automatic pencilmarks that appear if you check the Pencilmarks box. So it's possible to have incorrect digits that don't conflict, but eventually you will get stuck. The Show Conflicts button does not apply the solving logic - just checks whether there are any conflicting digits already in the grid. To print the puzzles use either the Print button below the grid, or if you want to print the pencilmarks as well, use the browser Print option under the File menu. See our guide to solution rules for hard sudoku puzzles.Īll the puzzles on this site rate a 'fiendish' category, but then we picked the hardest, and graded them in five progressively more difficult categories: Evil, Excessive, Egregious, Excruciating, and Extreme, in order from least difficult to most difficult. Difficulty depends on the type of steps required to solve them, and also on the number of each type of step. Solving these puzzles is a different matter entirely, since these are the most difficult puzzles we create. Each row, column, and 3 x 3 box must contain only one of each of the 9 digits. Just place the digits from 1 to 9 in each empty cell. These patterns are crucial to solving the puzzle, so you must pay attention to them.Then try some of our very hard sudoku puzzles. As you fill in squares correctly, you will see patterns emerge.You solve the Sudoku puzzle by using reasoning and logic.In other words, you must not use the same number twice in any row, column or box. For example, if you have 2 in one row, it should not appear again in that row, column or smaller grid. No digit should repeat in any row, column or box.Fill the blanks so that each row, column, and nine 3×3 grids contain all of the digits 1 through 9 only once.There are nine rows (horizontal), nine columns (vertical), and nine boxes (three-by-three grid).Here are some simple rules you have to follow to play Sudoku. Sudoku can be a simple logic game yet challenging at the same time. It’s a great way to test your puzzle-solving skills and improve your logic. The easy Sudoku puzzle is perfect for beginners.

This type of Sudoku is perfect for beginners as it is less challenging and requires less time to solve. If you’re new to Sudoku, start with the Easy Sudoku puzzle.

Then there are Jigsaw, Killer Sudoku, Kakuro, etc. While some people may find easy puzzles to be too simple, and hard puzzles to be too difficult, there is a Sudoku puzzle for everyone!ĭepending on your experience, you can start with easy, medium or difficult Sudoku. Hard puzzles often have very few clues, and they can be extremely challenging to complete. Medium puzzles have more clues, and they require more critical thinking to solve. Easy puzzles have the most number of clues as compared to medium and difficult puzzles, and they can usually be solved without too much difficulty. Sudoku puzzles can be broadly classified into three difficulty levels: easy, medium, and hard. So whether you’re looking for a Sudoku puzzle to keep your mind sharp or want a fun way to pass the time, our Sudoku printable puzzles are a perfect choice.

With four, six, and nine grids of varying difficulty, these puzzles will provide hours of fun. Sudoku is a popular logical puzzle where a player has to fill a grid with numbers, letters, shapes, or pictures so that each column, row, and smaller sub-grid contains a unique item.

Printable sudoku free