Lost Empire Immortals

The game is set in the year 4620. There are seven major civilizations in space, humankind is one of them. The story is that an attack led by an unknown evil alien race has almost destroyed the seven civilizations, and they are therefore now trying to expand furthest in order to ensure their continued survival. However, a powerful character with devious motives known as Enais is interfering with the seven civilizations and their expansion plans.
You play the leader of one of the seven civilizations and must bring this civilization to victory by dominating the galaxy. It is possible to achieve victory through military domination, diplomacy, research, culture, or by killing the character Enais