Sid Meier's Alpha Centauri & Alien Crossfire Expansion Bundle Design Your Own War Machine Custom build fighting units that meet your missions specific needs, or accept your governors recommendations. Diplomatic Relations Dynamic personalities react individuallyto your actions. Your diplomatic decisions dictate your path to one of five ultimate resolutions. Infinitely Replayable A random 3D world generator, unlimited strategies, five paths to victory, six levels of difficulty, seven unique factions, fully featured map/game editor, and a whole host of customisable options ensure unlimited gameplay. Includes the Alien Crossfire Expansion Pack Adds 7 new playable factions, new technologies, new secret projects, newbase facilities, new weapons, armour, special abilities and an expanded storyline.