Sudoku is a game played on a square grid, divided into rows, columns, and smaller blocks.Each row, column, and block of cells must contain all numbers without repetition. This means that each number can only appear once in each row, column, and block. When you start playing, you will find some cells already filled with numbers. These numbers serve as hints to help you understand which numbers you need to insert into the other empty cells. Your goal is to fill the empty cells with the correct num