Want to play a little game to pass time in the subway or just spend a moment with a friend? Tic Tac Toe is the perfect game for you. This very simple game is the perfect way to train your memory and practice the basics of strategy, all while having a good time. Take part in the history of a game as old as time itself. Do we still need to explain the rules of Tic Tac Toe? You play on a board of 3x3 squares and your goal is… to draw a line of three symbols. Your line can be horizontal, vertical or even diagonal. In addition to drawing your own line, you must try your best to prevent your opponent from drawing their own.