Best movies like Man Underground

After getting in a car accident, a woman is held in a shelter with two men, who claim the outside world is affected by a widespread chemical attack.

Mulder and Scully, now taken off the FBI's X Files cases, must find a way to fight the shadowy elements of the government to find out the truth about a conspiracy that might mean the alien colonization of Earth.

In England, a group of space scientists led by Bernard Quatermass, who have developed plans for the first Moon colony, learn that a secret, ostensibly government-run, complex of identical design has been built in a remote part of England and is the focus of periodic falls of small, hollow "meteorites" originating in outer space. Quatermass determines to investigate and uncovers a terrifying extraterrestrial life form which has already begun action to take over the Earth.

A civilian oil rig crew is recruited to conduct a search and rescue effort when a nuclear submarine mysteriously sinks. One diver soon finds himself on a spectacular odyssey 25,000 feet below the ocean's surface where he confronts a mysterious force that has the power to change the world or destroy it.

Three young conspiracy theorists attempt to uncover the mysteries of Area 51, the government's secret location rumored to have hosted encounters with alien beings. What they find at this hidden facility exposes unimaginable secrets.

Struggling actor John Person agrees to drive a blue suitcase from Los Angeles to the small town of Baker, Calif., and hand it over to a mysterious cowboy in return for having his credit card debt of $27,000 paid off. Upon his arrival, John can't find the cowboy but receives an ominously head-shaped package he's supposed to hang onto. While waiting, John gets close to Ruthie, whose psychotic boyfriend, Randy, keeps threatening to kill him.

A man obsessed with conspiracy theories becomes a target after one of his theories turns out to be true. Unfortunately, in order to save himself, he has to figure out which theory it is.

A group of men who were clearing brush for the government arrive back in town, claiming that their friend was abducted by aliens. Nobody believes them, and despite a lack of motive and no evidence of foul play, their friends' disappearance is treated as murder.

A psychic father and daughter band together with an "angel" in an attempt to save Earth from an extraterrestrial Armageddon. This suspenseful thriller ties together strange occurrences from 1965 in the Bermuda Triangle (where an American fighter pilot supposedly encountered a spaceship) and government hush-up conspiracies.

Five friends set out to a cabin in the woods for a fun weekend getaway that is, until extraterrestrial visitors turn it into a fight for their lives. The group is pulled from their reverie when a flickering object crashes deep in the woods. As they investigate, the friends stumble across an alien spacecraft, and its inhabitants have not arrived in peace.

Charlie's ex-wife disappears, and he goes to where she grew up--a rural town in the midwest--to look for her. But, surprisingly, nobody knows about her or any of her many relatives, the Newmans. He meets aliens; but when he contacts the FBI, they don't believe him. He tells his story to a tabloid; and suddenly, he is chased by the aliens.

When a young woman's car breaks down in back country Oregon, she finds herself at the mercy of a paranoid conspiracy theorist, who assumes she's a government agent.

When Air Force Space Command receives a signal from an alien satellite in Earth orbit an emergency meeting with the President reveals a government conspiracy.

A government agent stumbles upon an alien conspiracy to conquer Earth. Using a blue liquid created by the aliens to make soldiers stronger, he becomes The Prototype-the only hope for mankind.

A psychological thriller; Mace Sowell, an ex-intelligence operative and whose past government activities catches up with him, faces his own mortality, in the shape of the onset of Alzheimer's disease. Holding the electronic key to secret information which implicates a Presidential front-runner, Mace struggles for his life while battling the debilitating effects of the disease.

A group of conspiracy theorists watches a top-secret military base in the desolate Welsh mountains.

A horror comedy spoofing conspiracy theory moves, girl victim films, and Alien Grey abduction movies. Melissa rescues a young woman from a mental hospital where no-one believes she is a victim of abduction by aliens. She and a colleague try to prevent the aliens from taking her but a government agent seems to be hot on her trail, and the Alien Greys and their powerful leader, The Hive Queen have no intention of being stopped. An outrageous mix of graphic horror and dark twisted humor.

Researchers have been searching for proof of extraterrestrial life for years. Earl Anderson, the head of Investigations of MUFON Los Angeles, and his team search for proof of the existence of UAPs and life on beyond planet Earth. The proof is out there.

On a desperate quest to find her missing brother, Marianna reluctantly picks up a mysterious stranger with no memory, John. Together they must get to a rendezvous point on the west coast where a shadowy figure awaits them. Unbeknownst to them a black-ops splinter cell team is tracking John. They send in special agent Thomas Dockins, a highly trained and brainwashed military assassin, to kill John and the woman he is traveling with. As they struggle for their lives, John and Marianna discover that they are caught in the middle of a sinister extra-terrestrial plot.

When Kate discovers she has a terminal illness, she persuades boyfriend Andy to visit Groom Lake, a reputed hotbed of alien activity, hoping to discover proof of life beyond this terrestrial sphere. Soon, the pair crosses paths with desperate government scientists, eccentric locals and a surprising -- and inspiring --conspiracy of epic proportions.

A mystery surrounds a small town that was attacked on September 9, 2009. Now sixty years later, the last survivor, Sarah, sends a high profile reporter a letter suggesting what really happened on that day. The government calls 9/9/09 the start of the "Modern Plague", and the reporter soon realizes that the truth may be harder to uncover than the lies.

A group of anarchists use their public-access TV show to satirize the government until a right-wing preacher attempts to shut them down.

A park ranger must protect hikers from an invasion of meteor-spawned aliens and hunters that want to eliminate the creatures - and any witnesses to their arrival on earth.

The citizens of Comet Valley are being taken over by seeds from an alien plant that has taken root there. A sheriff investigates the strange goings-on.

A slow burn into insanity as a small band of survivors find themselves spending a post-meteoric apocalypse in a fun house converted into a bomb shelter.

When conspiracy theorists raid the famous military base Area 51, an alien warrior uses a power glitch to escape from captivity which attracts the attention of her arch space rival. Now she must find her way back home.

It's the most famous military installation in the world, yet it doesn’t officially exist. Area 51, a site for covert Cold War operations, has long been a magnet for crackpots, conspiracy theorists, and the overly curious. While there may not be truth to the rumors that Area 51 is a haven for UFOs and extraterrestrials, it's clear that our government has been up to something in Area 51 for decades, and it turns out there is a kernel of truth to even some of the wildest speculation. Now, after years of silence, for the first time Area 51 insiders spill their secrets and reveal what has really been going on inside the most secretive place on earth.

Writer and comedian Dan Schreiber meets the people behind modern-day alien conspiracy theories, from Jesus being an alien to humanity being ruled by an evil reptilian overlord.

A cafe worker is violently jolted from her day-to-day existence when offered the startling revelation that this world may be on the brink of destruction, revolution—or both.

What’s controlling the town on Block Island? There’s a force lurking off the coast and the wildlife and people are all behaving strangely.

Due to political pressure from the American public, the Air Force has decided to allow two well-known reporters limited access to the most secretive base on the planet. But when one of the base’s “long-term visitors” exploits this unprecedented visit as a chance to liberate himself and his fellow alien captives, Area 51 turns from a secure government base to a horrifying destination of terror.

It's fear that they seek! Dr. Schroder listens to her criminally insane patient as he recounts the story of the murder of his four friends. Chip implants, government mind control, Russian military, and Alien visitors form the puzzle pieces of this science fiction thriller. A search for the answers leads to the mind-bending truth...it's our fear that they seek. The Aliens are HERE and they show only disgust for what the human race has become.

A UFO abductee joins a secret government agency in order to communicate with the sole surviving alien of a downed spacecraft.

A small town, late-night radio host receives a frantic call that suddenly places him as the mediator between an alien race and Earth.

An exploration of potential extraterrestrial encounters, centered on a series of events in 1996 when citizens of Varginha, Brazil, reported seeing one or more strange creatures and a UFO crash.