Play Free Sudoku Puzzles Online at Sudoku99
Level 1 ( Easy : 36 hint )
9 X 9 sudoku
1Level - 36hint
2Level - 35hint
3Level - 34hint
4Level - 33hint
5Level - 32hint
6Level - 31hint
7Level - 30hint
8Level - 29hint
9Level - 28hint
10Level - 27hint
11Level - 26hint
12Level - 25hint
Expert - Silver
13Level - 24hint
14Level - 23hint
15Level - 22hint
16Level - 21hint
17Level - 20hint
Expert - Gold
18Level - 19hint
19Level - 18hint
20Level - 17hint
9 X 9 sudoku
Solve Challenging Sudoku Grids Daily and Improve Your Logical Reasoning
Playing Sudoku regularly can help improve your logical reasoning and problem-solving skills. It can also be a fun and relaxing way to exercise your brain. Our website is user-friendly and easy to navigate, making it easy for beginners and experts alike to enjoy playing Sudoku.
In addition to Sudoku puzzles, we also offer other types of puzzles, such as Kakuro and Hitori. These puzzles are similar to Sudoku in that they require logical thinking and problem-solving skills. You can play these puzzles for free on our website as well.
So, what are you waiting for? Visit Sudoku99 today and start playing free Sudoku puzzles online. Challenge yourself, improve your skills, and have fun!
Sudoku is a puzzle game where you must fill a 9x9 grid with numbers from 1 to 9. Each row, column, and 3x3 sub-grid must contain all the numbers from 1 to 9 without repeating any numbers. The difficulty of the Sudoku puzzle is determined by the number of starting clues provided in the grid.
Here's an explanation of the different levels of Sudoku puzzles available on the website:
Beginner Level (Level 1-2): These puzzles have 36 or 35 starting clues, which make them relatively easy to solve. They are a good place to start for beginners who are new to the game.
Easy Level (Level 3-6): These puzzles have 34, 33, 32 or 31 starting clues and are slightly more challenging than the beginner level puzzles.
Medium Level (Level 7-8): These puzzles have 30 or 29 starting clues and are a bit more challenging than the easy level puzzles. They may require more advanced solving techniques such as using candidate lists and looking for hidden pairs.
Hard Level (Level 9-10): These puzzles have 28, or 27 starting clues and are significantly more challenging than the medium level puzzles. They require advanced solving techniques such as X-wing, Swordfish, and XY-wing.
Expert Level (Level 11-12): These puzzles have 26, or 25 starting clues and are the most challenging puzzles on the website. They require advanced solving techniques such as XYZ-wing and difficult chains to solve.
Expert - Silver Level (Level 13-17): These puzzles have 24, 23, 22, 21, or 20 starting clues and are even more challenging than the regular expert level puzzles.
Expert - Gold Level (Level 18-20): These puzzles have 19, 18, or 17 starting clues and are the most difficult puzzles on the website. They require expert-level solving techniques and may take a lot of time and patience to complete.
Overall, the different levels of Sudoku puzzles available on the website provide a range of challenges for players of all skill levels. Beginners can start with the easier puzzles and work their way up to the more challenging puzzles as they improve their skills. Experienced Sudoku players can test their skills with the most challenging puzzles available.