Its mixed with Milky Way, this means you won't be able to settle on Orion Arm before you can settle on Milky Way. This means Orion Arm doesn't exist effectively. Virgo Cluster while is mixed it is connected to Local Group. Orion Arm isn't connected to Transtellar space. Also Alien Earth is directly connected to Milky Way on top, this means you can't go up any further, as you can't build any space settlers on Earth. You do rocket and space station improvements on cislunar space business when creating Cislunar cities on beginning. You can remove Alien Earth and Alien Moon or at least make it smaller so there is (Orbit) - Cislunar - Inner Solar System - Outer Solar System - Transneptunian - Transtellar - Orion Arm - Milky Way - Local Group - Virgo Supercluster - Observable Universe - Unobservable Universe - (Hyperspace) continuity.