Old School Sudoku - Free Number Puzzle

Thank you so much for playing our games as well as supporting us. For Sudoku lovers, we are so proud to tell you that, we've put our best effort, days and nights, to bring you over 10 million puzzles with this app. Every single of them is, well checked and carefully balanced to bring you the best experience during gameplay. This application also includes a lot of advanced features that make conquering Sudoku never this easier and enjoyable. ***Freemode Freemode allows you to manually enter and save puzzles that you find from books, magazines, online... You can take your favorite puzzle with you and solve it anywhere. The input system is design minimal, extremely smart, fast, and powerful, allows you to easily enter numbers with high precision. There are 3 input modes: puzzle input, solution input, and pencil note. With 2 highlight modes, observing and finding numbers are magically easy. If you feel tired of having to fill in pencil notes manually, please leave the boring job to the system. With ‘Auto Pencil’ button, all missing pencil notes will be filled instantly. All you need to do is enjoy Sudoku conquering. ***Difficult Rating There are 4 difficult ratings to choose from: *Easy - for new players to learn the basics, or looking for some quick relax games. *Medium - a standard sudoku experience. *Hard - for experienced players. *Expert - Challenge games need some advanced techniques. ***If you find it hard Sudoku needs practice and learning. However, we wanted to bring a relaxing and easy sudoku experience. If you get stuck, please don't hesitate to use help. Hint button will instantly reveal one number. There are 3 hints for a game. Use them wisely. ***If you’ve made a mistake Sudoku puzzle can be solved with pure logic, guessing is not necessary and is bad. In case the player has made a wrong guess, there will be a heavy score penalty (from 15% final bonus point reward for the first time). There are ways to avoid this penalty if you got stuck: use hints, or if you seriously need to guess, do it with pencil notes. Our system is also designed to recognize between bad guessing and a mistake, where the player accidentally inputs a wrong number. There is no score penalty for the first 2 mistakes and the penalty score from the 3rd mistake is also very low, just a reminder (from 1% final bonus points reward for the 3rd time). ***Scoring System The faster you find numbers, the faster you finish the puzzle, the puzzle's difficult rating, and how many mistakes have been made are count into your score. Each time you find a number, a fast speed reward added straight to your total point. Fast speed points reward reduce by time, so the sooner you find numbers, the better reward. By finishing the puzzle, you will gain an overall speed bonus point. Overall speed bonus also reduced by time, so the sooner you finish, the better reward. Difficult rating is an important factor in score calculate, as higher difficult rating yield more points of each category.