Sudoku is the most popular logic-based numbers game.The aim of the game is to place 1 to 9 into each grid cell so that each number can only appear once in each row, each column and each mini-grid.This is a simply easy-to-use sudoku game, with fresh and cool intece, very acceptable difficult levels, suitable for sudoku beginner to sudoku expert.Features:5 levels: beginner, easy, medium, difficult and expertPencil marksHints to help you complete hard onesAuto-saveMore puzzles will be comming soom!

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1：优化游戏体验