The Command & Conquer: Alternate Universe will bring you to a different way of battle against each of the 12 Faction. Each faction has it's own ability to eliminate it enemies within short range, medium range & long range capability.
Well it seem that Eradicator Hexapod has a changeable colour like purple on its back and front as well instead of the other units, but i will do something about the house colour for the other Scrin unit and structures.
Scrin have some different skins from the other factions, I recall that it took me few tries to find the sub objects skins in order to change them
I Thought it was PR9