While diving in a remote French lake, a couple of YouTubers who specialise in underwater exploration videos discover a house submerged in the deep waters. What was initially a unique finding soon turns into a nightmare when they discover that the house was the scene of atrocious crimes. Trapped, with their oxygen reserves falling dangerously, they realise the worst is yet to come: they are not alone in the house.

The crew of an experimental underwater nuclear base are forced to struggle for their lives when their explorations disturb a creature who threatens to destroy their base.

A crew of coal miners becomes trapped 600 feet below ground after a disastrous collapse. As the air grows more toxic and time runs out, they slowly descend into madness and begin to turn on one another. Inspired by true events.

Underwater deep-sea miners encounter a Soviet wreck and bring back a dangerous cargo to their base on the ocean floor with horrifying results. The crew of the mining base must fight to survive against a genetic mutation that hunts them down one by one.

Dr. Michael Cayle thought leaving the chaotic lifestyle of New York City behind for the quiet, small town of Ashborough would bring his family closer together. Soon after arriving, however, he discovers the town's deepest secret: a terrifying and controlling race of creatures that live amongst the darkness in the woods behind his home.

After a group of biologists discovers a huge network of unexplored caves in Romania and, believing it to be an undisturbed eco-system that has produced a new species, they hire the best American team of underwater cave explorers in the world. While exploring deeper into the underwater caves, a rockslide blocks their exit, and they soon discover a larger carnivorous creature has added them to its food chain.

A group of artists, composed of the young actors Wilfried and Matthieu and the actresses Sophie, Mathilde and the dumb Jeanne, is hired by a millionaire, Axel de Fersen, to present a performance of Little Red Riding Hood in his isolated castle to celebrate the birthday of his grandson. Meanwhile, the police advises that a serial killer is raping and killing young women in the woods around that area. During the night, the group feels trapped and threatened in the castle, guessing who is and where might be the killer.

Hermann considers suicide until he finds a strange talking hole in the wall that has the power to fulfill his wildest dreams, or become his worst nightmare.

A group of former military elites set out to explore an uncharted abyss, not knowing their worst nightmare is waiting for them deep beneath the ground.

In 1944, in the Belgian - German border, seven German soldiers survive an American attack in the front and lock themselves in a bunker to protect the position. Under siege by the enemy and with little ammunition, they decide to explore underground tunnels to seek supplies and find an escape route. While in the tunnel, weird things happen with the group.

A huge burrowing machine tunnels out of control at ferocious speed, cutting clean through to the center of the earth, to the twilight world of pellucidar. Once there, Dr. Perry and David Innes are threatened by half human creatures, lizard-like birds, and man-eating plants.

In the heart of a city, the inhabitants of a tower wake up one morning to find that their building is shrouded in an opaque fog, obstructing doors and windows - a strange dark matter that devours anything that tries to pass through it. Trapped, the residents try to organize themselves, but to ensure their survival they gradually succumb to their most primitive instincts, until they sink into horror...

An archaeological team attempt to unlock the secrets of a lost pyramid only to find themselves hunted by an insidious creature.

A young woman in Paris goes to a party in the enormous labyrinth of limestone tunnels beneath Paris. When she becomes separated from her friends, she is convinced something is chasing her through the dark tunnels.

After a personal tragedy, Sarah joins her friends on a caving expedition in the Appalachian Mountains. But when a rockfall traps them deep underground, their adventure turns into a nightmare. As they search for a way out, the group discovers they are not alone—lurking in the darkness are savage, cave-dwelling creatures. With rising tension and dwindling trust, the women must fight to survive against both the predators and each other.

When an unknown underwater object disables an American nuclear-powered submarine and attacks a submerged Arctic research complex, a scientific expedition flies to the North Pole to investigate these incidents as well as the sudden, inexplicable rise in temperature that threatens to melt the ice cap and flood the surface of the world.

Divers searching for sunken treasure witness the murder of drug dealers by modern-day pirates, but a killer great white is determined not to let any of them escape its waters.

A group of four amateur adventurers who specialize in exploring remote and forsaken places pay a visit to Shookum Hills, a town in the remote Appalachian Mountains which was abandoned decades ago due to a mysterious coal mine fire.

In 1984, a Russian research team goes below the surface to find out what secret the world's deepest borehole is hiding. On their expedition, something unexpectedly gruesome awaits the researchers.

After an earthquake destroys their underwater station, six researchers must navigate two miles along the dangerous, unknown depths of the ocean floor to make it to safety in a race against time.

Several scary black-and-white animated segments in different styles appeal to our fear(s) of the dark.

A gang of young thieves flee Paris during the violent aftermath of a political election, only to hole up at an Inn run by neo-Nazis.

In the Old Stone Age, a disparate gang of early humans band together in search of a new land. But when they suspect a malevolent, mystical, being is hunting them down, the clan are forced to confront a danger they never envisaged.

Distraught, confused, and half-wild with fear, Sarah Carter emerges alone from the Appalachian cave system where she encountered unspeakable terrors. Unable to plausibly explain to the authorities what happened - or why she's covered in her friends' blood - Sarah is forced back to the subterranean depths to help locate her five missing companions.

A student moves in with a family that lives in an underground house in the middle of the forest, far from civilization. His hopes of peace and quiet are soon shattered, when it becomes apparent that both the parents and their son have a screw loose.

An English pianist living in Rome witnesses the brutal murder of his psychic neighbor. With the help of a tenacious young reporter, he tries to discover the killer using very unconventional methods. The two are soon drawn into a shocking web of dementia and violence.

When a daring mission leads a deep sea submarine team into a mysterious opening on the ocean floor, they uncover a lost underwater world and awaken its ancient race of otherworldly beings.

When a team of explorers ventures into the uncharted maze of bones that lies beneath the streets of Paris, they embark on a journey into madness and terror.

A couple on a trip through the Irish countryside find themselves hunted by a creature who only attacks at night.

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.

After watching their best friend get murdered, a group of teens struggle to expose a local hero as the vicious killer and keep from becoming his next victims.

A Parisian couple decides to sell an unsanitary basement in their building. A very ordinary, nondescript man, Mr. Fonzic, shows up to buy it. Nothing unusual there, until the man moves into the cellar and makes it his permanent residence. The couple tries desperately to cancel the sale but to no avail. Worse, Mr. Fonzic becomes a threat to their family as he befriends their teenage daughter on whom he seems to exert a perverted influence.

After freak climate and weather events destroy the world around them, a group of rogue scientists attempt to reverse the deadly new ice age.

Scarred for life after a harrowing near-death experience, emotionally fragile mother-to-be Sarah is still struggling to come to terms with her loss. Overcome with silent grief, Sarah now seeks solace in work; however, she is on a collision course with sheer terror when a knock at the door in the dead of night chills her bones to the marrow. Now, the raven-haired, late-night visitor in black wants something precious from Sarah, and will stop at nothing to get it.

A pair of young vacationers are involved in a dangerous conflict with treasure hunters when they discover a way into a deadly wreck in Bermuda waters.

A murderous, flesh-eating undead young girl haunting the remote stretch of woods where she was murdered decades earlier, discovers a kidnapped and abused boy hiding in the trunk of one of her victim’s cars. Her decision to let the boy live throws her aggressively solitary existence into upheaval, and ultimately forces her to re-examine just how much of her humanity her murderer was able to destroy.

In a polluted future Venice researchers work to improve the situation. One day, unknown forces start killing them. A team of soldiers and a couple of civilians is sent to investigate. Soon, they encounter strange murderous creatures.

A crew of scientists arrives on a far, cold planet to examine archaic artifacts of unknown origin. They discover that their German enemies already have a ship there. When they seek their help after a failed landing, they only find the Germans’ bodies, obviously slaughtered by one of the archaic creatures, awoken to new life. Now the alien is after them.

In the middle of a snowy no man's land, Charlotte picks up Max, a hitchhiker; they stop in a truck-stop restaurant, and when Max doesn't come back from the bathroom, Charlotte starts looking for him in vain. She decides to return during the night but gets kidnapped by the bartender, La Spack, who turns out to be Max's mother and needs to feed her kids, 'The pack', a bunch of blood lusting ghouls. Charlotte now faces a terrifying reality: these ghouls are already dead... and hungry. Alone and in the middle of nowhere, she quickly realizes... she's next on the menu!

A disturbed young embalmer digs the grave of his recently deceased girlfriend and brings her body to his family villa with help from his strange housekeeper. But his bouts of insanity are just beginning.

When the disappearance of children and bloody murders multiply in a small mountain village, an old legend shrouded in sulphur reappears... Commander Guardiano and Captain of the Gendarmerie De Rolan are forced to join forces to uncover the truth.

After moving into a new neighbourhood, brothers Dane & Lucas and their neighbour Julie discover a bottomless hole in the basement of their home. They find that once the hole is exposed, evil is unleashed. With strange shadows lurking around every corner and nightmares coming to life, they are forced to come face to face with their darkest fears to put an end to the mystery of THE HOLE.

When most of the population of Earth is infected by a virus and transformed into flesh eaters and blood drinking creatures, a group of hunters lead by Tao and his sword chase the vampire zombies to eliminate them. Six non-infected survivors try to find the exit of an abandoned hospital crowded of the infected creatures. Meanwhile, the military is ready to bomb the whole area.

Four teenagers at a British private school secretly uncover and explore the depths of a sealed underground hole created decades ago as a possible bomb shelter.

Otherworldly creatures inhabit the bootlegging tunnels underneath a small town mining community, and they kill any of the townsfolk who invade their home.

A man wakes up deep inside a cave. Suffering amnesia, he has no recollection of how he came to be here or of what happened to the man whose body he finds beside him. Tailed by a mysterious creature, he must continue through this strange and fantastic world. Enclosed, Tolbiac has no other option to reach the surface than to use REZO ZERO, secret observing cells in this cemetery-like abandoned mine.

A teenage girl moves into a remote country home with her family, only to discover that the gloomy old house has a horrifying past that threatens to destroy them.

In August 1961, speleologists from Italy’s booming North arrive on a Calabrian plateau where time stands still. The intruders discover one of the world’s deepest caves, the Bifurto Abyss, under the gaze of an old shepherd, the only witness of the pristine territory.

In the grim Alaskan winter, a naturalist hunts for wolves blamed for killing a local boy, but he soon finds himself swept into a chilling mystery.

Vincent finds himself under attack for no apparent reason overnight. When the phenomenon intensifies, he must run and change his way of life completely.

A chance discovery leads American mining engineer Ben Harris and acquaintance Harold to discover a lost city under the sea while searching for their kidnapped friend Jill. Held captive in the underwater city by the tyrannical Captain (Vincent Price), and his crew of former smugglers, the three plot to escape...

A woman wakes in a cryogenic chamber with no recollection of how she got there, and must find a way out before running out of air.

The two remaining crew members of a mining operation in the Arctic Circle fight to survive against an alien creature.

Follows a woman desperate to escape her town, she meets a stranger who promises a romantic escape, but it results in deceit, mistrust, and violence.

When the night falls, and the creatures of the dark are crawling out of the shadows, there is only one man who stands between us and evil: Edward Carnby.

A group of college friends reunite for a trip to the forest, but encounter a menacing presence in the woods that's stalking them.

An adventure-loving couple convince their friends to explore a remote, uncharted cave system in the forests of Northern Australia. With a tropical storm approaching, they abseil into the mouth of the cave, but when the caves start to flood, tensions rise as oxygen levels fall and the friends find themselves trapped. Unknown to them, the storm has also brought in a pack of dangerous and hungry crocodiles.

Earthquakes in central Korea turn out to be the work of Yongary, a prehistoric gasoline-eating reptile that soon goes on a rampage through Seoul.

Survivors of a nuclear attack are grouped together for days in the basement of their apartment building, where fear and dwindling supplies wear away at their dynamic.

A man is on his way home when the poorly constructed tunnel he is driving through collapses, leaving him trapped leaving himself for the unexpected whilst emergency services struggle to help.

After getting a car ride from an unknown man, Lisa wakes up in a tube. On her arm is strapped a bracelet with a countdown. She quickly understands that every 8 minutes, fire burns an occupied section. She has no choice but to crawl into safe sections to survive. To know why she’s there and how to get out, Lisa will have to face the memories of her dead daughter…

Residents of a rundown French apartment building battle against an army of deadly, rapidly reproducing spiders.

Trying to escape danger in a post-apocalyptic world, Bannon realizes that his very existence will be put to the test.

It's 2 A.M. in St. Louis when a routine scientific experiment goes terribly wrong and an explosion shakes the city. A scientific team investigates, clashing with an intergalactic, voltage-devouring creature that vaporizes them.

Academic researchers are chased by a nuclear-hot specimen of ancient Mayan blob.

A young couple out for a walk decide to take a stroll through a large cemetery. As darkness begins to fall they realize they can't find their way out, and soon their fears begin to overtake them.

The legend of Yamashita's Gold lures a treasure hunter and his group deep into the Indonesian jungle. Once they are trapped in an abandoned World War II Japanese bunker, they face the terrifying reality that the only way out is to go further in.

A group of friends on a climbing vacation ignore warnings that the mountains are closed and start their ascent anyway. Collapsing bridges, bear traps and other dangers threaten to splinter the group… when the real hell begins and an unseen villain begins picking them off one by one.

The thirteen survivors of a catastrophe by a tunnel's collapse tries to balance their experience trapped along 15 days inside it with their day-by-day outside it.

Three boys and two girls go backpacking from the city to a paradisiacal island. There they rent motorcycles, travel around the prettiest and most remote spots, camp out in the woods, on a coastal cliff, get drunk and swim in the sea. The following day they enter a deep, maze-like cave to explore it and get lost inside.

A group of students become trapped inside a mysterious cave where they discover time passes differently underground than on the surface.

A solo trip aboard a yacht takes a terrifying turn when a woman encounters three drug traffickers clinging to the shattered remains of a boat. They soon force her to dive into shark-infested waters to retrieve kilos of cocaine from the sunken wreck.

A group of archaeologists uncover a strange structure in Northern Canada, dating over ten thousand years before the present. The team finds themselves isolated when their communication systems fail and it's not long before they begin to feel the effects of the solitude.

Two miles into the earth, nine Appalachian miners struggle to survive after a methane explosion leaves them with one hour of oxygen.

In an attempt to pull her family together, Adèlle travels with her young daughter Sarah to Wales to visit her father. The morning after they arrive, Sarah mysteriously vanishes in the ocean. Not long after, a little girl bearing a striking resemblance to their missing daughter reveals that she has retuned from the dead — and that Sarah has been taken to the Welsh underworld.

A police brigade works in the dangerous northern neighborhoods of Marseille, where the level of crime is higher than anywhere else in France.

The Marquis d’Urfé finds refuge in the home of a strange family after becoming lost in a hostile forest while working as an emissary for the King of France.

Four prison inmates have been hatching a plan to literally dig out of jail when another prisoner, Claude Gaspard, is moved into their cell. They take a risk and share their plan with the newcomer. Over the course of three days, the prisoners and friends break through the concrete floor using a bed post and begin to make their way through the sewer system -- yet their escape is anything but assured.

In order to save Paris from an international bloodbath, a grieving scientist is forced to face her tragic past when a giant shark appears in the Seine.

The first manned expedition to Mars is invaded by an unknown life form, which stows away on the rescue ship.

A man emerges with his autistic daughter and three others from a hospital elevator to find themselves trapped in the building with devilish monsters.

Vacation turns disaster when Houston grad Kyle and her friends survive a plane crash in the desolate Louisiana everglades, only to discover there's something way more dangerous lurking in the shallows.

Searching for the lost world of Atlantis, Prof. Aitken, his son Charles and Greg Collinson are betrayed by the crew of their expedition's ship, attracted by the fabulous treasures of Atlantis. The diving bell disabled, a deep sea monster attacks the boat. They are all dragged to the bottom of the sea where they meet the inhabitants of the lost continent, an advanced alien race that makes sailors their slaves.

Trapped in a London subway station, a woman who's being pursued by a potential attacker heads into the unknown labyrinth of tunnels beneath the city's streets

Two young English women go on a cycling tour of the French countryside. When one of them goes missing, the other begins to search for her. But who can she trust?

In the '80s, a teenage nerd notices sinister parallels between the story of his favorite comic book and the real life horrors befalling the small town where he lives. He and a few friends seek to investigate.

An experimental submarine with a very experienced crew, the "Siren II" is sent to find out what happened to the "Siren I" after it mysteriously disappeared in a submarine rift. Things go awry when they begin to find things that shouldn't be there...

Laura, 25, is an actress in a L.A.R.P. (Live Action Role Playing) Game, where the participants play the survivors of an atomic war who live underground in a sealed bunker. After several mysterious accidents, the game is interrupted and the players leave the bunker while the staff remain behind to investigate the disappearance of Greg, the mastermind of the game. They soon find themselves trapped inside and in peril as they begin to die in mysterious ways and the group realizes that someone or something paranormal is playing a twisted game with them which quickly plunges into a terrifying fight for survival.

When young Tommi goes missing during a festival in the Dolomites in 2010, his parents are devastated. Five years later, a boy is found with no name or records; DNA tests prove it is Tommi. But while Tommi's father Manuel welcomes him back with open arms, his mother Linda is not convinced that it is her son. Suspicion and superstition permeate the pores of this eerie mystery thriller.

11 years ago, inspector Malik couldn’t solve a kidnapping case and a little girl died. Now with only a few days before the crime gets classified, he decides to reopen the case. Malik owes it to the mother and to himself. As he digs into the past, a child is kidnapped again. The pattern is the same one as a decade ago, it’s no coincidence. Malik knows he has a few days to make things right and to bring justice.

After miners disappear in the Namib Desert, some scientists find their remains and the demonic creature that killed them.

An evil is unleashed in a small town when a logging company sets up shop in the neighboring woods. Isolated and threatened, a mysterious force hidden within the trees outside the small town of Maiden Woods, strikes fear in the townspeople as Sheriff Paul Shields attempts to overcome the demons of his past while protecting those that he loves.

As the world is overrun by zombies, scientists and military personnel in an underground Florida bunker must decide on how they should deal with the undead.

Seasoned deep-sea divers battle the raging elements to rescue their crewmate trapped hundreds of feet below the ocean's surface.

Rie is a PR-coordinator visiting a tunnel boring machine to portray the well-oiled European cooperation in the Metro construction when an accident suddenly occurs. Unable to escape, she takes refuge in an airlock with Croatian miner Ivo and Bharan, a worker from Eritrea.

As the Swedish town of Kiruna sinks, Frigga finds herself torn between her family and her job as security chief at the world's largest underground mine.

A couple celebrates their son’s birthday in the middle of the ocean on their boat. A violent storm hits and it brings up hungry creatures from the depths and they fight for their survival.

The sole survivor of an interplanetary rescue mission lands on the planet of the apes, and uncovers a horrible secret beneath the surface.

A team of climbers is assembled by a rich and eccentric man to rescue a missing expedition he sent up to a forbidden mountain who disappeared after sending out one last disturbing radio message.