Background
Game Design notes
Published in 1994 by Microprose (bought by Atari), developed by Mythos Games, chief designers brothers Nick and Julian Gollop.
Mythos preceded X-COM with Laser Squad and have recently produced Laser Squad Nemesis.
An Official Strategy Guide was written by Dave Ellis and is available on Amazon.
Backstory
The Gollop brothers RIPPED the story of X-COM STRAIGHT from today's HEADLINES! ... Of the National Enquirer, that is.
Links for the conspiratorially inclined. Warning, may contain elerium. CIA may be tracing your web-browsing...but you probably suspected that already. Could an alien war really be covered up? Search term: "Robert Lazar".
http://www.abovetopsecret.com/pages/ufos.html
http://www.subversiveelement.com/SubversiveElement.html
Real life equivalents
Equivalents surmised by JellyfishGreen 11:54, 25 Apr 2005 (BST)