Unlock the mysteries of the Precursors and explore long forgotten ancient worlds.
Discover several new types of planets, deal with unexpected new colony events, and solve the riddles of perplexing anomalies. Galactic Civilizations III - Precursor Worlds DLC GOG CD Key. Features Precursor Planet Types: Colonize Precursor Worlds and discover Space Elevators, Orbital Factory Rings, Promethion Refineries, and other exotic technologies that can boost planetary production..