Scream Machines is a new Roller Coaster Simulator, it\'s not a game in the strict sense of the word; you don\'t have any goals or scenery to complete in order to progress. It\'s just intended to let you create and ride you own coaster creations!System types include tube, square, I-beam, L-Beam and wire. You have a wide range of options from where to choose from..Here are some key features of \"Scream Machines\":