Tic-tac-toe

TictactoeTicTacToe or noughtsandcrosses is A ancient game with simple rules which is played all over the world. There are two players, who alternately occupy empty squares on a rectangular board with their pieces. In the standard version of the game, a player wins as soon as he has three of his pieces in a horizontal, vertical, or diagonal line on a 3x3 board. If neither player wins, it is a draw.