Stardock Entertainment has announced that Galactic Civilizations II: Twilight of the Arnor, the final act in the epic Dread Lords saga, has gone into final gamma testing and will be available on April 30th. In addition to a new campaign that ties up the Dread Lords saga, Twilight of the Arnor adds civilization-specific technology trees and planetary improvements and comes with a 3D-engine-powered map editor, a new Scenario Editor for creating highly detailed custom games, a new Campaign Editor, new enhanced textures and graphics for planets and ships and many more.