The diagonal constraint adds a new layer of complexity that keeps even expert solvers engaged.
🧠
Brain Training
Improve your logical thinking and pattern recognition with this enhanced puzzle format.
⚡
Faster Solutions
Paradoxically, the extra constraint can sometimes make puzzles easier to solve!
🏆
Competition Ready
X-Sudoku appears in world championships. Practice here to compete globally.
📱
Play Anywhere
Our responsive design works perfectly on desktop, tablet, and mobile devices.
funbrain sudoku
login Sudoku competitions are held globally, where speed solvers compete to finish complex grids in the shortest time possible.
login What is Sudoku and How to Play?
login The rules of Sudoku are simple but the depth of the game is immense. Every well-posed Sudoku puzzle has a unique solution that can be reached through logical deduction. sudoku medium printable Sudoku is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9x9 grid with digits so that each column, each row, and each of the nine 3x3 subgrids contain all of the digits from 1 to 9.
login History of the Sudoku Puzzle
login Modern Sudoku was popularized by Nikoli in Japan in the 1980s. It has since become a global phenomenon, with daily puzzles appearing in newspapers and online platforms worldwide. 2x2 sudoku There are several difficulty levels in Sudoku, ranging from easy for beginners to expert for seasoned players. Solving techniques include scanning, cross-hatching, and identifying candidate numbers. free printable hard sudoku Many people enjoy solving Sudoku as a relaxing hobby. It provides a sense of accomplishment when a difficult puzzle is finally completed correctly. sudoku washington The rules of Sudoku are simple but the depth of the game is immense. Every well-posed Sudoku puzzle has a unique solution that can be reached through logical deduction. 16 sudoku To solve a Sudoku puzzle, one must look for cells where only one number is possible, or rows/columns/blocks where a specific number has only one possible placement.
login Basic Sudoku Rules for Beginners
login Sudoku is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9x9 grid with digits so that each column, each row, and each of the nine 3x3 subgrids contain all of the digits from 1 to 9. advanced techniques sudoku Many people enjoy solving Sudoku as a relaxing hobby. It provides a sense of accomplishment when a difficult puzzle is finally completed correctly. king features syndicate sudoku answers Modern Sudoku was popularized by Nikoli in Japan in the 1980s. It has since become a global phenomenon, with daily puzzles appearing in newspapers and online platforms worldwide. sudoku geniol Sudoku competitions are held globally, where speed solvers compete to finish complex grids in the shortest time possible. pointing pairs sudoku Advanced Sudoku solving methods involve complex patterns like X-Wing, Swordfish, and XY-Wing. These techniques are often required for hard and expert level puzzles.
login Different Types of Sudoku Variants
login Sudoku competitions are held globally, where speed solvers compete to finish complex grids in the shortest time possible. sudoku daily printable Modern Sudoku was popularized by Nikoli in Japan in the 1980s. It has since become a global phenomenon, with daily puzzles appearing in newspapers and online platforms worldwide. puzzle madness samurai sudoku Playing Sudoku daily has many cognitive benefits, including improving memory, concentration, and logical reasoning skills. It is a great way to keep the brain active and healthy.
login Common Sudoku Mistakes and How to Avoid Them
login Sudoku competitions are held globally, where speed solvers compete to finish complex grids in the shortest time possible. daily sudoku together Playing Sudoku daily has many cognitive benefits, including improving memory, concentration, and logical reasoning skills. It is a great way to keep the brain active and healthy.
login Advanced Sudoku Solving Techniques
login Sudoku competitions are held globally, where speed solvers compete to finish complex grids in the shortest time possible. sudoku advanced solving methods Many people enjoy solving Sudoku as a relaxing hobby. It provides a sense of accomplishment when a difficult puzzle is finally completed correctly.
login Common Sudoku Mistakes and How to Avoid Them
login Advanced Sudoku solving methods involve complex patterns like X-Wing, Swordfish, and XY-Wing. These techniques are often required for hard and expert level puzzles. valid sudoku There are several difficulty levels in Sudoku, ranging from easy for beginners to expert for seasoned players. Solving techniques include scanning, cross-hatching, and identifying candidate numbers. colored sudoku There are several difficulty levels in Sudoku, ranging from easy for beginners to expert for seasoned players. Solving techniques include scanning, cross-hatching, and identifying candidate numbers. spring sudoku Many people enjoy solving Sudoku as a relaxing hobby. It provides a sense of accomplishment when a difficult puzzle is finally completed correctly.
