X-COM: UFO Defense

In the year 1998, the amount of reports of UFO sightings has been drastically increased. Stories about abductions and alien attacks became more and more widespread. Finally, after various nations of the world have failed to intercept the UFOs, their representatives met in a conference of global importance in Geneva, Switzerland. It was eventually decided to organize a secret paramilitary group, dubbed Extraterrestrial Combat Unit (X-COM).

X-COM: UFO Defense is a strategy game featuring separate but interlinked elements. On the strategic side, called GeoScape, you get a rotating view of the globe, where you see all visible UFOs (those that are within your detection range) as well as major cities and your base(s). You order movements from here, such as sending out fighters to intercept UFOs, transports with soldiers to assault/recover UFOs, and perhaps assaults on alien bases (if you find any). You also control your research, as you must invent better weapons (the Terran weapons are just no match against the alien weapons) quickly, not to mention all the other cool tech you can recover from the aliens.