Sudoku Plus

4000 free sudoku puzzles in multiple difficulty levels.Classic Sudoku game 4000 free Sudoku challenges easy, medium, hard amp; very hard.Features include: Pencil Undo Multiple playing options themes Folder filter select what to display newplayingsolved Sudoku puzzles.And more much more;This game uses the code of OpenSudoku and complies with it39;s license. No Ads. No 3rd party JARs.