Sudoku is a logic-based, combinatorial number-placement puzzle that is easy to learn but difficult to master. The objective of the game is to fill a grid with numbers from 1 to 9 such that each column, each row, and each of the nine 3×3 squares that make up the grid contain all of the numbers from 1 to 9.

The puzzle is divided into different levels of difficulty that can be adjusted based on the experience of the player.

Sudoku is a game of skill and dexterity, and it is recommended for players who are above the age of 18. The game can be played offline and does not require any connection to the Internet.