Tic tac toe is an interesting pc game, played by two players. This is a free downloadable version of the game. The game is to mark sqaures three in a row either horizontally, vertically or diagonally and score points.

The user starts the game by marking a square. The computer plays against the user and marks in response to the user. The user and computer can make their moves alternately. Player who marks three in a row gain one point and he is given the priority to make the next mark. Players can block their opponent from completing three in a row by marking the square adjacent to the one marked by the opponent. Player with more points is declared win. To make an easy win, start the game from the center and play the opposite corner to the opponent.

First level of this game has a total of 36 squares. Second and Third levels have 64 and 100 squares respectively.