Short description of 3D City 1.2: 3D City Environment for your Community & Dating Site, Seconf Life of the Members. If you have a community or dating site you need to have something to attract customers. Day by day. Having a real 3D City live chat software will bring you money. A second life model is very popular nowadays. Members are tired of ordinary chats, they need 3d communities, 3d dating sites, online 3d chats, 3d chat worlds. They need more reality to this. They need 3D.