Tic Tac Toe is a classic multiplayer strategy game. The game is played on a rectangular surface divided into nine small squares, which are called khans. At least two players participate in the game, and players take turns placing their marks (usually an "X" and an "O") in the empty cells respectively. The object of the game is to get three consecutive marks horizontally, vertically or diagonally before the opponent. If all the boxes are filled and no player wins, the game ends in a draw. XO is a simple and easy-to-learn game that strategically challenges players to make the right decisions to win. xo can be played anywhere and anytime, making it a popular game among friends and family.