Sid Meier's Alien Crossfire (1999)

The Official Expansion Pack for Sid Meier's Alpha Centauri.

DeveloperFiraxis Games

PublisherElectronic Arts, Aspyr Media

ReleasedOctober 20, 1999

StatusReleased

GenresStrategyTurn-based strategy (TBS)

ThemesScience fiction4X (explore, expand, exploit, and exterminate)

Platforms PC (Microsoft Windows)MAC Mac

ModesMultiplayerSingle player

SeriesSid Meier

Sid Meier's Alpha Centauri

Sid Meier's Civilization V

Sid Meier's Civilization: Beyond Earth

Sid Meier's Civilization VI

Sid Meier's Civilization IV

Sid Meier's Civilization II