The most simple and at the same time very difficult game in the world, do you think, what is the game? Tic-tac-toe, only one combination that can bring you victory in the game and you have to know her. Your opponent is very smart and attentive to mislead it is not just enough, but anything is possible. In this game there is a tie, there are only two levels, winning and losing. In connection with this, try to win.