Sudoku Lite is a logic-based number puzzle that is played on a 9x9 grid. The goal of the puzzle is to fill each of the 81 squares with a number from 1 to 9, so that each number appears once in each row, column, and 3x3 box. The puzzle is typically started with some of the squares already filled in, and the player must use logic and deduction to fill in the remaining squares. Sudoku is a challenging but rewarding puzzle that can be enjoyed by people of all ages.