Surprisingly, no trailer or images that you anticipate the arrival, was released on the marketplace of the extra content Bulletstorm called "Gun Sonata" which adds two new maps Echo ("The Guns of Stygia" and "The site of crash), three maps Anarchy ("Elysium", "Villa" and "Sewers") and ten new targets for 250 player points. The content is also as always append the web at a price of 800 Microsoft Points.