Warhead is a 3D space combat simulator for Amiga (A500 and A2000) and Atari ST platforms.
[1] The game takes place during a war between the alien forces of Sirius and the humans of Earth.
It is suspected that their present evolutionary form was achieved at the time there were non-avian dinosaurs on Earth.
The group-mind is based on radio communication which is a natural property of the metallic parts in their bodies.
The invasion led to a planetary winter and three billion casualties, and within a few years a third of the Earth population died as a consequence.
The Fist of Earth sent a fighter pilot navigating the FOE-57 spacecraft on a series of missions to stop the Sirians and protect humanity.