Legendary designer Sid Meier presents the next evolution in strategy games, with the most addictive, compelling gameplay yet. Explore the alien planet that is your new home and uncover its myriad mysteries. Discover over 75 extraordinary technologies. Build over 60 base upgrades and large scale secret projects for your empire. Conquer your enemies with a war machine that you design from over 32,000 possible unit types.

Design Your Own War Machine

Custom build fighting units that meet your mission's specific needs, or accept your governor's recommendations.

Diplomatic Relations

Dynamic personalities react individually to 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, new base facilities, new weapons, armour, special abilities and an expanded storyline.