Sudoku Playtime Free

With Sudoku Playtime you can play virtually endless Classic Sudoku puzzles! You can also create , test and solve your own puzzles! Main features: No advertising. 7 difficulty levels: from Beginner to Expert , plus a Custom level (Paid version only) Playable on smartphones or tablets, in portrait or landscape orientation. Two insert modes (select cell first or select number first). Manual or automatic pencil marks. Detection of candidates, naked singles and hidden singles. Error highlighting. Autosave and checkpoints. Restart a puzzle from the beginning or from a checkpoint. Resume playing with a previously saved puzzle. Undo / Redo functions. A full (paid) version of the same app ( Sudoku Playtime ) is also available. Both free and full versions of Sudoku Playtime have the same features. The only difference is in the number of difficulty levels: 7 levels in the full version, just one level in the free version.