Description One of the most controversial aspects of the Dreamcast, the controller is essentially a cross between the Saturn 3D analog pad and the Nintendo64 stock controller. Like the 3D pad, it has an analog and digital pad on the left, two analog triggers on the bottom, and a squarish shape. Like the Nintendo controller, it has expansion ports under the controller, which can be used to hook up either Visual Memory cards or Puru-Puru packs. The main innovation is that in combination with the Visual Memory card, each controller has an LCD screen which can be used in multiplayer games to allow each player to make secret decisions.