Sid Meier's Alpha Centauri updated demo with intro movie

Sid Meier's Alpha Centauri presents an epic science fiction struggle to gain control of an entire planet. Seven human factions, all with severe philosophical and cultural differences, vie for control over the new outpost of the human race--Alpha Centauri. Gameplay is turn based, so there's plenty of time to ponder over each of your highly detailed moves. Building units can be customized, the direction of your society's research must be set, and the 3D terrain must be explored. The rich sci-fi storyline unifies the intricate and complex aspects of the game. Alpha Centauri is for those who want depth in their sci-fi strategy games.