Sudoku 2.0

A new and innovating Sudoku app !Game Features:- 2 play modes, the original sudoku and colored sudoku, the colours replace the numbers- 4 different levels (easy, medium, hard and extreme)- More than 5000 different sudokus- A global ranking to compete with people around the world !- Hints that you can enable and disable- Available in English and Spanish[NOTE] - Internet required for the global ranking.