Ecosystem 05 (Five) is a planet locked in a struggle between bitter cold and searing fire. Geothermal heat slowly erodes the last vestiges of an ancient ice age.
Ecosystem 08 (Eight), or Lagerstätte, is a land etched with the stories of giants. For eons it was the domain of colossal archosaurs, until a planet-wide volcanic eruption brought them to an end. However, the legacy of the once dominant megafauna lives on, fossilized in an enduring sandstone surface.
Ecosystem 09 (Nine), or Crux, is an oasis of biodiversity perched on the edge of a mysterious region known as Silent Space. It is this precarious location—and its vast stores of natural resources—that put it in the path of a conflict that will ultimately determine the fate of all known life.
Ecosystem Ψ (Psi) is one of many hypothetical candidates for complex life residing in the inaccessible region of the Galaxy known as Silent Space. Psi is potentially the first Ecosystem to have never formed multiple continents. Beyond hypothetical models, there is no conclusive evidence of the existence of Psi.