Sudoku Puzzle Master

Sudoku is #1 Sudoku game available with beautiful graphics and killer features like sudoku classic and puzzle game. With our Sudoku master app, not only will you play a beautiful user-friendly Sudoku, but you’ll also have access to the world’s most friendly and complete mobile Sudoku hard learning system. With our hint system, it'll teach you all the skills you need to solve the puzzle with every steps, and the instructions are very easy to understand, also with helpful animations and colorful visual effects. The hint system will not only tell you the answer, but also help you to understand why the answer is. In the traning mode it'll be with you whether you're complete new to this game, or the way to the expert. Features: ★ 4 Levels - Easy, Normal, Hard, Expert ★ Smooth interface and Impressive graphics ★ Auto highlighted numbers for intelligent hint ★ Use pencil marks ★ Double-click the cell to erase numbers ★ Use various kind of items, like check the errors ★ Unlimited redo & undo Sudoku has been polished to perfection and boasts an intuitive, touch screen game play which makes you never need a paper puzzle again. Now challenge yourself to more than 2000 puzzles and 4 levels of difficulty from Easy to Expert! Rules: Sudoku is a logic-based number-placement puzzle. The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 sub-grids contains all of the digits from 1 to 9.