Tic Tac Toe description

This game is called "Tic Tac Toe". This is most popular game for playing with two friends. In this game two players can play. The object of Tic Tac Toe is to get three in a row or colom or diagonal . The first player is known as X and the second is O. Players alternate placing Xs and Os on the game board until either opponent has three in a row or all nine squares are filled. X always goes first, and in the event that no one has three in a row