GameSudoku is a logic puzzle game with numbers.
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 (blocks) that compose the grid contains all of the digits from 1 to 9.

Solving puzzle
At the beginning each puzzle is filled with some initial digits and a player is required to fill in the missing digits according to the rules.
Each column, each row, and each of the nine 3×3 subgrids (blocks) that compose the grid must contain all of the digits from 1 to 9. 
Buttons
Undo – Undo your last move. 
Game Options
 Enter your name. 