Sudoku is a popular logic-based puzzle game that challenges players to fill a 9x9 grid with numbers from 1 to 9. The grid is divided into nine 3x3 boxes, and the objective is to ensure that each row, each column, and each box contains all the numbers from 1 to 9 without repetition. With its simple rules and addictive nature, Sudoku provides an engaging mental exercise that requires concentration, deduction, and strategic thinking. It is a game that appeals to puzzle enthusiasts of all ages.