FREE SHIPPING. Each of the six modes of play features a theme based on a classic Nintendo game, such as Super Mario Bros, The Legend of Zelda or Metorid. The traditional Tetrimonos (falling blocks) and line-clearing strategy remain the staples of the game, but the touch screen adds a new element of interactivity. Some modes give players special Tetris puzzles to solve. Others feature head-to-head action between two players, or massive wireless battles between 10 DS users, even if on