Several UFOs of different races of aliens appeared over one of the major American cities. A conflict ensued between them in which you are in the FlyUFO game. io get involved with other players. Each of you will get a UFO in your control. You will need to use the control keys to make your aircraft fly over the city and collect various samples of earthly civilization. If you come across UFOs of other players, you can start chasing them. Approaching them at speed you will ram the opponent's UFO and get points for it.