Sudoku is a number-filling puzzle game that uses logical reasoning to make each column, each row and each 3x3 small nine-house section contain numbers between 1 and 9 in a 9-square board of Sudoku boards.

========Features========

1. Sudoku has rich questions, divided into five levels: beginner, easy, medium, hard, and expert
2. Rich theme mode, day mode, night mode, and a variety of color modes to choose from
3. Rich auxiliary functions, highlight the same number, display the remaining number of numbers, and automatically clear note markers
4. Rich game settings, panel animation, cell background switch
5. Note function, uncertain numbers are recorded using notes
6. Statistics function , clearance records, easy to check