Galactic Civilizations III
Galactic Civilizations III is a large 4x strategy game set in space.
Throughout the game you expand from your original planet, colonising other and conquering the galaxy through military power and diplomacy.
In each new game you play a different, unique galaxy will be generated.
In many circles Galactic Civilizations III is regarded as more of an updated version of Galactic Civilizations II rather than a noticeably different game.