Sudoku

Sudoku is a logic-based, combinatoric number-placement puzzle. The objective of the game is to fill a 9x9 grid with digits so that each column, each row, and each of the nine 3x3 sub-grids that compose the grid contains all of the digits from 1 to 9 without being repeated the same number in each row and column.

FEATURES:

- different difficulties levels(Easy, Medium, hard)

- hundreds of puzzles for each difficulty

- auto pencil mark (draft)

- auto-save your progress for each puzzle

- unlimited undo/redo

- selected cell highlight

- number highlight

- errors highlight

- input highlight

- timer