Our Sudoku game has some features that make it easier for you: hints, auto-check, and duplicates highlight. You can use them or complete the challenge without help – it's up to you! With our Sudoku app, you can easily solve puzzles without a pencil or a piece of paper. You’ll know how amazing it is to play a Sudoku on smart devices!
✓ 4 Difficulty Levels - puzzles designed perfectly balanced for both Sudoku beginners and advanced players
✓ Daily Challenges - enjoy your brainstorming time every day
✓ Pencil Mode - turn on to make notes easily as on paper; turn off to train your Instant Calculating Ability, Short-Term Memory and Logic Analytical Skill
✓ Eraser - get rid of all errors quickly
✓ Highlight Duplicates - to avoid repeating numbers in a row, column and region
✓ Intelligent Hints - guide you through the numbers when you are stuck not just an answer but with explanations
✓ More than 5,000 well-formed Sudoku puzzles
✓ 4 difficulty levels: easy, mild, hard, and fiendish
✓ Unlimited Undos/Redos
✓ Auto-Save Option
✓ Auto Error Checking Option
✓ Simple and intuitive design
✓ Detailed statistics to keep track of your progress
Math is not a must for Sudoku players! Enjoy your time with Sudoku Free by Sandbox Team, and please feel free to contact us if you have any questions!