Sudoku

The aim of the puzzle is to fill each cell of the grid with digits from 1 to 9 (1 to 6 in easy mode). Each row, column, and subgrid must contain only one instance of each digit. Finish each puzzle as fast as possible to reach a high score.

Select field:
Navigation keys

Enter number in field:
1-9

Clear field:
0

Previous puzzle:
*

Next puzzle:
#

Mark field as doubted:
Click on number field.