Sudoku is an addictive classic puzzle game that can help you train your brain while killing time. This is the best logic-based board game that is suitable for everyone, no matter you are a Beginner or an Advanced player. Tons of hard Sudoku puzzles are awaiting you to explore. Download and enjoy the challenging journey! How to play? The player needs to fill a 9*9 square grid by deduction according to the given number(clue). The goal is to complete a grid in which each row, each column, and each of the nine 3*3 areas contains all the numbers from 1 to 9. The numbers 1-9 should appear exactly once in each row, column, and block. Each Sudoku has only one true solution. Highlights&Features: - Sudoku comes in 7 perfectly balanced difficultly levels: 6x6, Easy, Medium, Hard, Expert, Extreme,16x16 - Over thousands of Sudoku number puzzles offered. - Daily Challenges - Complete Daily Challenges and collect trophies. - Intelligent Hints - guide you through the numbers when you get...