Top 100 Galactic Civilizations IV Videos With The Longest Duration by TyrantosaurexTop 100 » 200 » 300 » 400 » 500Video TitleDurationCategoryGame1.Galactic Civilization IV: Supernova! New update is out and we're ready to rumble!6:40:21Galactic Civilizations IV 2.Core Worlds & Colonies, Galactic Civilization IV: Supernova, Gal Civ 40:28Galactic Civilizations IV 3.Decay in Galactic Civilization IV: Supernova, Gal Civ 40:16Galactic Civilizations IV 4.Crime, where it comes from and what it does - Galactic Civilization IV: Supernova, Gal Civ 40:14Galactic Civilizations IV Top 100 » 200 » 300 » 400 » 500