Corridors, chambers, hallways upon hallways. A realm of infinity, familiar yet haunting. For were these places truly meant to be empty of the people meant to inhabit them?
A realm beneath our reality. Subconscious made manifest. Few know of subspace, but legends of its perils and promises have spread far and wide.
A land of dreams, woven with abandoned artifice. It is the nature of sapience to bring lesser realities to life, and it is the nature of civilization to feed their unending growth.
And when the subspace of two civilizations collide...
Well, it makes a way for the brave and reckless to travel the stars.