Sudoku SG provides an themeable interface to a fun and challenging game. You are able to create an unlimited number of puzzles in three difficulty levels. Select from single hint to generous hints. Play against the clock or just for fun. For beginners there are a variety of options available to assist you, from generating possible numbers to only letting you place a number if it fits. Several board and pieces themes are included and more to come. It’s easy to get the new themes and other features with the inbuilt update feature.