Sudoku is a logic-based number puzzle game. The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids contain all of the digits from 1 to 9.
How to Play
Select a cell - Click or tap on any empty cell
Enter a number - Use the number pad or keyboard (1-9)
Use Notes - Toggle notes mode to mark possible candidates
Undo mistakes - Use the undo button to revert changes
Get hints - Use hints when you're stuck (limited to 3)
Difficulty Levels
Easy - 35 empty cells, perfect for beginners
Medium - 45 empty cells, requires basic techniques
Hard - 52 empty cells, needs advanced strategies
Expert - 58 empty cells, for true Sudoku masters
Features
🎯 10,000 unique puzzles across 4 difficulty levels