Atmosphere had a dedicated beta-testing community, whose members constructed many worlds and avatars, promoted the software by word of mouth, and conducted community events, such as world tours and building contests. The largest of these contests was "Star Wars 3D", a large-scale effort to create a comprehensive set of worlds and avatars based on the "Star Wars" trilogy. The creations were unveiled on July 4, 2003, and festivities officially continued until July 6. Another large effort held was themed to the "Lord of the Rings" trilogy.