The year is 2273

Humanity has expanded over Sol. Mars is colonized, and there is new colony underway on Europa. Unexpected discovery of valuable minerals in the rings of Saturn lead to rise of space excavation business. You take a steer of a small asteroid excavating company hosted on Enceladus Prime station, and a pilot’s seat of its flagship. Buy and upgrade your ships, pilot them though dense Ring and discover the mystery that shrouds the Ring.