Sudoku Challenge

3 Sudoku Boards - 4x4, 6x6 and 9x9 boards.

Newbie - numbers 1 to 4 - good to start learning to play Sudoku

Beginner - numbers 1 to 6

Pro - numbers 1 to 9

All Boards comes with different difficulties level.

Features:-

Highlight duplicates

Auto Pencil

Eraser

and lots more..