Tic-Tac-Toe

The three on-line, also known as Tic Tac Toe, play cat tatetí, Triqui, totito, three cock, michi or old, is a paper and pencil game between two players, O and X, which mark the spaces in a 3 × 3 board turn. A player wins if he can have a line of three of its symbols: the line can be horizontal, vertical or diagonal.