Command & Conquer 3: Tiberium Wars is a military science fiction real-time strategy video game. As the direct sequel to 1999's Command & Conquer: Tiberian Sun by Westwood Studios, Tiberium Wars returns the Command & Conquer series to its roots in the Tiberium story arc of the franchise, again featuring the factions of the Global Defense Initiative and the Brotherhood of Nod, and also introducing a new extraterrestrial faction known as the Scrin. (wikipedia.org)