Sudoku (also known as Number Place) is a logically challenging brain game. Your goal in Sudoku is simple. Make sure each row, each column, and each 3×3 grid is filled by digits from 1 to 9 only once. Solution of each Sudoku board is unique. Try Sudoku number puzzle game and join competition in your friends circle!<p>■ 3 levels of difficulties: Simple, Medium and Hard<br>■ Almost 100 levels with carefully designed number placement<br>■ Pencil Mark: Draft all possible digits for any grid<br>■ Eraser: Erase all digits marked by using pencils<br>■ Hint: Use intelligent hint when having doubts on filling grids<br>■ Automatic Save and Resume<br>■ Unlimited redo and undo for grids drafted by using Pencil<br>■ Leaderboard available<br>■ Completely FREE<br>■ Small APK size<br>■ Available on both mobile and tablet: Play wherever and whenever you want</p>