Best Alien Horror Movies
Alien horror movies ranked by Horrorometer community ratings. From classics to hidden gems, these are the alien titles horror fans are rating highest.
42 titles ranked by community ratings.

On November 18th 2011 a small Danish film crew disappeared in the woods of northern Sweden without a trace. One year later, their footage was leaked by a hacker group now known as Pandoras. This is the crew's unsettling and disturbing footage.
Encounters

As host of his own hit TV series, 'MAN VS', Doug Woods is forced to fend for himself for five days in remote locations with no crew, food, or water, only the cameras he carries on his back to film his experiences. Doug's in the remote woods for a routine episode, until he's awoken by an earth-shaking crash. Things get weirder as it becomes clear Doug isn't alone. Someone or something is watching him.
Man Vs.

33 years after the infamous Rendlesham Forest UFO incident, three metal detector enthusiasts hunting for Saxon gold in the same region, capture incredible footage of UFO's whilst filming their expedition. As night falls and with their navigation equipment failing, they find themselves facing a terrifying encounter with an unforgiving alien presence.
Hangar 10

A vacationing family encounters an alien threat in this pulse-pounding thriller based on the real-life Brown Mountain Lights phenomenon in North Carolina.
Alien Abduction

Seven years on from the events of Monsters, and the ‘Infected Zones’ have spread worldwide. Humans have been knocked off the top of the food chain, with disparate communities struggling for survival. American soldiers are being sent abroad to protect US interests from the Monsters, but the war is far from being won.
Monsters: Dark Continent

A murderer in the middle of a killing spree enlists a reporter to interview him as he prepares to finish sacrificing his victims to his god.
A Record of Sweet Murder

A seductive stranger prowls the streets of Glasgow in search of prey: unsuspecting men who fall under her spell.
Under the Skin

Doctors are baffled when an expectant mother wakes to find her nearly-to-term pregnancy apparently disappear overnight. Police investigate the situation as a missing child, and only her husband and brother trust her version of events.
Absence

In 2010 “Skinwalker Ranch” gained media attention after experiencing a wide range of unexplained phenomena. Reports ranged from UFO sightings to livestock mutilation, but maybe most notable was the disappearance of ranch owner Hoyt Miller’s eight-year-old son Cody on November 11, 2010. Close to a year later, Modern Defense Enterprises has sent a team of experts to document and investigate the mysterious occurrences, which only escalate upon their arrival. Tensions rise as the team must decide how far they will go to unlock the mysteries of “Skinwalker Ranch.” The group debates whether the answers are worth risking their lives for, or if they should just call off the investigation and leave the ranch—that is, if leaving is actually an option…
Skinwalker Ranch

In July 2010, a vacationing couple discovered something disturbing on a ranch in rural Texas. Armed with a home camcorder, they captured their experience on video.
Unaware

The story of a reality T.V. crew of paranormal researchers who journey to Colorado's San Luis Valley in order to investigate the unexplained phenomena of cattle mutilations. Over the course of their three day investigation they find much more than they ever could have bargained for.
Alien Valley

Six years ago NASA discovered the possibility of alien life within our solar system. A probe was launched to collect samples, but crashed upon re-entry over Central America. Soon after, new life forms began to appear and half of Mexico was quarantined as an infected zone. Today, the American and Mexican military still struggle to contain "the creatures," while a journalist agrees to escort a shaken tourist through the infected zone in Mexico to the safety of the U.S. border.
Monsters

A small town is taken over by an alien plague, turning residents into zombies and all forms of mutant monsters.
Slither

In 1953 the entire population of Wicksboro, Texas vanishes. Forty five years later a witness comes out of hiding to tell the story.
The Wicksboro Incident

When some very creepy things start happening around school, the kids at Herrington High make the chilling discovery that confirms their worst suspicions: their teachers really are from another planet!
The Faculty

After clearing brush for the government, a group of men return to town claiming their friend was abducted. Despite no apparent motive or evidence of foul play, no-one believes their story and his disappearance is treated as murder.
Fire in the Sky

On October 8th, 1983, the Van Heese family gathered together to celebrate the 5th birthday of Michelle, the littlest member of their household. Everything was captured on VHS by Michael McPherson and his new camcorder — including the alien invasion.
UFO Abduction

A lone drifter stumbles upon a unique pair of sunglasses that reveal aliens are systematically gaining control of the Earth by masquerading as humans and lulling the public into submission.