In Endless Space, you take the role of the leader of one of the many intelligent peoples populating a galaxy at the beginning of the space age. You soon discover the remnants of an older civilization known as the Endless, an odd name for an extinct people... Among their ruins you discover a matter called Dust, which has many amazing proprieties. It reacts to how its user thinks, it can create networks and communicate, it gives a reality to dreams… Dreams that led to the extinction of the Endless.