UFO Enemy Unknown (or XCOM UFO Defense), a strategy game from 1995. A game released by Microprose for Amiga and PC.

It's year 1999. XCOM is a world organization to fight UFOs. Your task is to patrol the air zone, track and shoot alien (unidentified) flying objects. But shooting UFOs is not the end of the task. This is just the beginning. Now you have to reach the wreckage and use your tactical skills to find and destroy alien life forms. The task is not the easiest. For your control, you have a squadron of commanders to help you get samples and alien technology.

UFO Enemy Unknown, is a game with which you can spend hours in front of the computer. In times when it emerged was an innovative approach to strategy. The game is still very popular today.

Install notes:
The version for Amiga requires the original Rom (at least 2.0). Other settings of WinUAE emulator:
Processor 68020
Memory min. 2Mb Chip RAM
Graphics AGA
For convenience, set up four floppy drives