Alien Invasion



Alien Invasion deals with scenarios in which extra-terrestrial life tries to conquer or destroy the human race, usually via a direct (or hidden) assault upon the planet Earth - the idea of Alien Invasion is rife in sci-fi, horror and doomsday fiction : some conspiracy theorists fear we are in the process of a real Alien Invasion while some religious societies dismiss the idea of Alien Invasion in favor of Demonic Invasion, some blend the two together to form the controversial theory of Demonic Aliens : often linked to the idea of the Divine Delusion.

Alien Invasion has also been deemed as one of humanity's greatest threats of survival by some fringe scientists, though most mainstream scientists still put the idea squarely in the realms of science-fiction.

Methods of Invasion

UFOs

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The most common method of alien invasion is the appearance of massive space-ships, often equipped with devastating weaponry that can destroy entire cities - these UFOs often target major world cities and attempt to either blitz the human race into submission or simply wipe them out.

Often UFOs have a weakness that is exploited at some point by protagonists, such as the infamous computer-virus that ultimately saved the human race in the original Independence Day, prior to finding a vulnerability, most UFO invasions seem to be invincible and current-day military might is hopeless against the aliens' immense fire-power and shielding(either in form of extremely durable hulls, artillery-proof force field, or both).

"Tripods" / War-Machines

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Another famous method of invasion made popular by the War of the Worlds, involves aliens sending gigantic war-machines(usually in form of bipedal or other multi-legged mechas) to conquer or devastate the world : These machines are often "walker" type drones that are equipped with death-rays or abduction-beams designed to ruthlessly hunt down, capture or exterminate humans: They are smaller than UFOs and usually land-based. However, war machines are more dangerous than the standard alien invader technology and much like UFOs, it requires luck or knowledge of a weakness to finally topple these machines, which are often invulnerable to any form of resistance up until such a point (in War of the Worlds, the machines were only stopped when the Martians died of the common cold, due entirely to "luck" on the part of humanity).

In some science-fiction medias, war machines' role in a battle when fought alongside other form of alien technology like UFOs tend to equivalent with tanks or superweapons depend on how good the machines' armaments and defenses.

Mass Invasion

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Aside with technological warfare such as UFOs or war-machines, deployments of alien infantries also another form of alien invasion. During alien invasion, aliens would also deployed a squadron or more of well-trained members of their kind. Like human infantries in real-life and fictions, alien infantries whom taking roles in mass invasion would equipped themselves with an array of hi-tech arsenals such as hand-held death ray guns, portable force-field generators, etc. It is however, not always the case as other invasive aliens such as Xenomorphs may rely on brute strength and natural capabilities more than techology. But in either case, one alien infantry always presented as challenging advesary even while alone.

Parasitic Invasion

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False Alliance

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Gallery

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