The game ends when three-in-a-row is obtained. Number of positions: •91 unique positions are won by (X) •44 unique positions are won by (O) •3 unique positions are drawn Number of Players •One player •Two Player In Tic-Tac-Toe Game, players who follow the right strategy will always tie.Against an opponent who doesn't know this strategy, however, you can still win whenever they make a mistake.