Sudoku - Free Puzzle Game

Sudoku can train your brain. The sudoku pluzzle game is a nine house, and each house is divided into nine cells. In this eighty-one box, given some known numbers and conditions for solving the problem, use logic and reasoning, and fill in the other spaces with numbers from 1-9. Make each number of 1-9 appear only once in each row, each column, and each house, so it is also called "nine palace grid". Main Features of Sudoku - Free Puzzle Game: 👑 Each sudoku puzzle has one and only one solution. 👑 Support marker pen for recording possible numbers. 👑 Support for intelligent color labeling to avoid digital conflicts. 👑 Support unlimited number of undo / redo. 👑 Support prompt option. 👑 Support four difficulty levels. 👑 Support clear option. 👑 Support night mode. 👑 Support pause/resume option 👑 More free levels, continuously updated. Come and enjoy Sudoku games !