Designed to be completely perfect by Umber, Cuba was a sterile world that featured a completely symmetrical city full of buildings with modern furniture and pale florescent lighting. A mix of flat tones and straight angles, the world was devoid of any variation. Even it's planetary shape was that of a cube, hence it's name. However, despite it's apparent perfection, Umber felt that it was missing a crucial element. Quentin Coldwater, when asked, stated that the element it had been missing was chaos.