Sudoku brain

Sudoku Brain is a logic-based, combinatorial number-placement puzzle.
The objective 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.
we created this innovative sudoku free game with several various key features

FEATURES:
- different difficulties
- hundreds of puzzles for each difficulty
- unlimited undo/redo
- timer
- clean interface and smooth controls
- phones and tablets support
- Career statistics documentry informations about your gaming history
- Three Modes Easy,Medium,Hard
- you can share and give challenge to friends via facebook, whatsapp,etc..