Tags: Activity, 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.The following example game is won by the first player X:Players soon discover that best play from both parties leads to a draw (often referred to as cat or cat’s game).
