Sudoku - Offline Free Sudoku Number Puzzle

What is Sudoku? Sudoku originally called Number Place is a logic-based,combinatorial number-placement puzzle. In classic sudoku, the objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids that compose the grid (also called "boxes", "blocks", or "regions") contain all of the digits from 1 to 9. HOW TO PLAY SUDOKU: Fill in the remaining boxes as long as: * Horizontal rows: Must have enough numbers from 1 to 9, do not have the same number and do not need the correct order. * Vertical lines: Make sure to have enough numbers from 1-9, do not have the same number, do not need to be in order. * Each 3 x 3 area: Must have numbers 1-9 and do not have the same number in the same 3 x3 area. ABOUT OUR SUDOKU OFFLINE: Our Sudoku app brings the worldwide famous Sudoku math problem to your phone. You can play it every day to improve your logical thinking ability, intellectual training. MODES: Easy, medium, hard, expert. INTERNET CONNECTION No need internet connection to play our game. This is an offline game. CHALLENGE Unlimited number of challenges ADS We have one Ads banner at the bottom of screen and a full screen ads when you complete a challenge. You also can watch a full screen ads to gain special support items. HELP ITEMS Note, undo, hint, erase GRAPHIC Simple graphics with black and white color help you easy to see SOUND Cool Sound Effects Please help us to improve this game by leaving a feedback. Thanks. Reference resources : Sound: https://freesound.org/people/tim.kahn/sounds/43448/ https://freesound.org/people/NenadSimic/sounds/171697/ https://freesound.org/people/Mellau/sounds/506053/ https://freesound.org/people/Autistic Lucario/sounds/142608/ https://freesound.org/people/grunz/sounds/109662/ Privacy policy This is a simple game so: * We don't collect any of your personal informations * We don't track you. We don't profile you period.