Sudoku Classic description

"Sudoku Classic" is the most popular logic-based numbers game. This game is one of the greatest game of all time. Train your brain by filling in the blanks in this superb logic puzzle. With three difficult levels, hints our version of "Sudoku Classic" for Smart Phone is for complete beginners and Sudoku Classic Professionals alike. The aim of the game is to place 1 to 9 into each grid cell so that each number can only appear once in each row, each column and each mini-grid. Let's play our "Sudoku Classic"!

Features:
- 3 levels: easy, normal, hard
- There are total 90 stage
- Hints to help you complete hard ones