Sudoku Gold is a sudoku game suitable for both the old and young. It’s a good choice for either relaxing or training your brain! With Sudoku Gold, you can gain the experience as great as that based on paper and pen at any time and in any place. Features: • Over 20,000 well-designed levels. • Multiple color themes available for you to choose from. • Multiple levels of difficulty for players at different levels. • Game experience as great as that based on paper and pen. • Complete hints that offer you ideas in case of difficulties. • Real-time feedback that makes you don’t want to put it down. Highlights: • Create the color theme unique to yourself; you can design a color theme by yourself besides the five color themes designed by us. • Several sudoku types: 4 by 4, 6 by 6, 9 by 9, 12 by 12. • Perfect and balanced levels of difficulty: easy, medium, hard and expert. • Sudoku solver helps you solve all sudoku puzzles. • No ads and just for users. Use Sudoku Gold to train your brain at any time and in any place!