The expansions included in the Ultimate Edition significantly evolved the base game:
Victory can be achieved through military conquest, cultural domination, political alliance, technological supremacy, or ascension. Key Expansion Features Galactic Civilizations II: Ultimate Edition Fre...
Planets are located directly on the map, and colonization is limited by "Planet Class," which determines the number of usable tiles for construction. Galactic Civilizations II: Ultimate Edition Fre...