Alliance are a serie of different mods. On the Star Wars GC, you can play the civil war Empire vs Rebel era + Black Sun and soon the Republic and CIS.
These are some examples from the last Nebula backgrounds made by Burnstrobe and a few more screenshots from other spaceships on the Full Version. With all this I wait end very soon the Light Alliance.
Reminds me of Homeworld....
Beautifull.
the only planet that isn't in here is earth, and probably vulcan