Sudoku is a logic puzzle game in which the goal is to fill a grid with numbers from 1 to 9, placing each number only once in each cell. It has been played for thousands of years and is still one of the most popular logic games in the world today.

The rules of sudoku are simple:

There are nine rows and nine columns in a grid.

Each cell is occupied by a number from 1 to 9.

The number you enter in each cell must be unique in that specific column and row.

There are five levels of difficulty, so it is an excellent brain puzzle game for beginners and advanced players.