Endless Puzzles
Thousands of unique puzzles across multiple difficulty levels
Built-in Timer
Track your solve time and compete against yourself
Monthly Challenge
Compete with others on the same puzzle each month
Smart Hints
Get help when you're stuck without revealing the solution
Mobile Friendly
Play seamlessly on any device - phone, tablet, or desktop
Share & Challenge
Share puzzles with friends and challenge them to beat your time
How to Play
Fill the Grid
Place numbers 1-9 in each empty cell of the 9×9 grid
Follow the Rules
Each row, column, and 3×3 box must contain all numbers 1-9 exactly once
Complete & Win
Fill all cells correctly to complete the puzzle and see your time!
Choose Your Challenge
Medium
Great for beginners and casual play
Hard
For experienced players seeking a challenge
Expert
Test your skills with the hardest puzzles