It's the development of the nascratch planets (and their moons) Stages: 1: Normal 2: Sernol's rings have condensed into a new moon, Luk is at a higher point in it's orbit, Point is far away, Eras has been destroyed by Ovion's gravity and formed rings, Portrise has more craters, Ovion has colonies on its surface, Rok has melted a bit more, Caton has formed rings from space debris, Vention has rings because Ondios crashed into it 3: Dot is a red giant, Quorsa's sulphur oceans have mostly evaporated, Point has melted a lot, Portrise has a really big crater, some of Ovion's ice has evaporated, Vention has been terraformed, Caton is heavily polluted, Luk is just a debris field, Rok is almost completely melted 4: Dot is a white dwarf, Zertan and Resk have been ejected from Sernol's gravity, Quorsa's oceans have almost completely drained, Portrise crashed into Ovion, all of Ovion's ice and colonies are gone, Point has melted a whole lot, Dot's death has destroyed the inner planets
