Tic-tac-toe, is a pencil-and-paper game for two players, X and O, who take turns marking the spaces in a 3×3 grid. The player who succeeds in placing three respective marks in a horizontal, vertical, or diagonal row wins the game. Full description and rules can be found here http://en.wikipedia.org/wiki/Tic_tac_toe
Thanks for taking your time to give us feedback!
Your feedback has been received.