&quot;Tic TacToe : The Original Game&quot; is free classic puzzle game also known as &quot;noughts and crosses or sometimes X and O&quot;. The Tic Tac Toe game is a game for two players, called &quot;X&quot; and &quot;O&quot;, who take turns marking the spaces in a 3×3 grid. The player who succeeded in placing three respective marks in a horizontal, vertical, or diagonal row wins the game. The Tic Tac Toe is a great way to pass your free time whether you're standing in a line or spending time with your kids. Stop wasting paper and save trees. Because of the simplicity of Tic Tac Toe, it is often used as a pedagogical tool for teaching the concepts of good sportsmanship and also for teaching artificial intelligence.