This pencil-and-paper game is for two players. The player who succeeds in placing three respective marks in a row wins the game.
Tic-tac-toe (or Noughts and crosses, Xs and Os) is a paper-and-pencil 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.
Updated: November 12, 2013