Sudoku
Fill the 9x9 grid so each row, column, and 3x3 box contains digits 1-9 without repetition.
Time
00:00
Mistakes
0 / 3
Hints
0
Number Pad
1
2
3
4
5
6
7
8
9
Clear
Levels
Easy
Medium
Hard
Expert
Evil
Undo
Erase
Notes
Hint
New Game
Print PDF
How to Play
• Fill the 9×9 grid so each row, column, and 3×3 box contains digits 1-9
• Click a cell and select a number to fill it
• Use Notes mode to mark possible numbers
• Press 1-9 keys for quick number entry
• Press N to toggle notes mode
9
5
6
8
3
5
8
4
2
9
8
2
1
9
3
3
8
7
6
5
6
9
1
5
7
3
7
5
1
6
5
2
4
1
8
4
6
6
3
8
2