9x9 grid Sudoku puzzles in 4 different skill levels (easy, medium, hard, evil) with timer support and best-times.
• unlimited undo & redo
• pencil notes and 'clear all notes' menu
• validate, hints, solve
• random puzzle generator so you will always get a new one.
• create blank puzzles to solve your newspaper Sudoku.
• open and save your puzzles, auto save previous puzzle
• use 'tap and hold' on the digits to reverse the input
• settings (colors, candidates, smart digits, clock, best times, correct, errors, mark active numbers, highlights, sound, vibrate, screen time-out).
• portrait and landscape modus
• share puzzle
• 10 free trial puzzles.
Improved color for errors
Feedback is always welcome. Please contact firstname.lastname@example.org with any issues or suggestions. Thank you for playing Sudoku