UFO: Alien Invasion is a strategy video game in which the player fights aliens that are trying to take control of the Earth. The game is heavily influenced by the X-COM series (mostly by UFO: Enemy Unknown).
It is based on a modified id Tech 2 engine, and runs on Linux, Microsoft Windows, AmigaOS 4, and Mac OS X for both PPC and Intel Macs. There is also a version for Android, published on Android Market.
Currently, version 2.4 is the most up to date stable version (released April 22, 2012). Licensed under the GNU General Public License, UFO: Alien Invasion's engine is free software and its artwork is distributed under various open source licenses. Development is coordinated through SourceForge.net.
Famous quotes containing the words alien and/or invasion:
“He who doesn’t know how to be a servant should never be allowed to be a master; the interests of public life are alien to anyone who is unable to enjoy others’ successes, and such a person should never be entrusted with public affairs.”
—Anton Pavlovich Chekhov (1860–1904)
“Every collectivist revolution rides in on a Trojan horse of “Emergency”. It was a tactic of Lenin, Hitler and Mussolini.... The invasion of New Deal Collectivism was introduced by this same Trojan horse.”
—Herbert Hoover (1874–1964)