Underground Horror

A young woman is held in an underground bunker by a man who insists that a hostile event has left the surface of the Earth uninhabitable.

Two sisters diving in a ruined underwater city quickly learn they've entered the territory of the deadliest shark species in the claustrophobic labyrinth of submerged caves.

Astronauts become monstrous host-inhabiting creatures after space mission. Cave explorers encounter these beings underground. Survivors try escaping and fighting the threat.

A pet baby alligator is flushed down a toilet and survives in the city sewers. Twelve years later, it grows to an enormous size thanks to a diet of discarded laboratory dogs injected with growth hormones. Now, humans have entered the menu.

When a team of explorers venture into the catacombs that lie beneath the streets of Paris, they uncover the dark secret that lies within this city of the dead.

During an archaeological expedition on Bouvetøya Island in Antarctica, a team of archaeologists and other scientists find themselves caught up in a battle between the two legends. Soon, the team realize that only one species can win.

A woman staying at an Airbnb discovers that the house she has rented is not what it seems.

After being bitten by a bat in a cave, a doctor undergoes an accelerating transformation into a man-bat, which ruins his vacation and causes considerable distress for his wife.

According to legend, prior to his tragic death, Don Antonio Feliz hid a fortune of Spanish gold deep inside a well on his state. Decades later Angelina Feliz discovers a map revealing the secret location of her ancestor's treasure.

A group of gold thieves pull of a heist and flee into the snowy wilderness, only to be pursued by a horrible, spider-like monster.

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.

When a group of cavern tour guides hear an old tale of a sacrificial cult performing rituals in the cave, they sneak down into the restricted areas to find out more. Skeptical about the legend, they end up summoning a demonic presence that refuses to let them leave.

Five friends exploring a remote cave system in Northern Australia find themselves threatened by a hungry crocodile.

A few miners prepare to open up an old mine abandoned decades ago after a deadly accident, not knowing that the mine's tunnels, which are connected to the surrounding local community houses by bootlegging tunnels, hide a deadly secret.

The story of five British soldiers trying to stay alive on the last night of the Afghan War, facing not just the Taliban, but also supernatural forces more terrifying than anything they've encountered before.

A team of Vatican investigators descend upon a church in a remote area to demystify the unusual happenings, but what they discover is more disturbing than they had first imagined.

A group of utility workers are trapped in a series of tunnels which, unfortunately, contain a scientist mutated by his own creation. The creature feeds instantly on a rat, becoming what it has eaten.

Paul is a U.S. truck driver working in Iraq. After an attack by a group of Iraqis he wakes to find he is buried alive inside a coffin. With only a lighter and a cell phone it's a race against time to escape this claustrophobic death trap.

A bizarre series of sudden disappearances on the streets of New York City seems to point toward something unsavory living in the sewers.

Victoria visits her sister in Paris and goes to a rave in the catacombs under the city, on her first night. The remains of over 6,000,000 people are there and something evil is lurking in the tunnels.

Blood-thirsty creatures await a pack of divers who become trapped in an underwater cave network.

Disguised as extreme adventurers, a group of high profile thieves unknowingly lead a group of wealthy tourists on an expedition through an abandoned salt mine that is guarded by ancient creatures.

CEO Lucy takes her staff on corporate team building in some underground desert caves in New Mexico. They get stuck there.

An elite security team assigned the task of protecting the last known woman who can become pregnant, find themselves caught in an endless claustrophobic underground tunnel system. The team soon learns - the real horror is not the unstoppable force chasing them, but the ever shrinking tunnel itself.

A special forces unit sent, to infiltrate Pine Gap Australia's top secret underground military compound, come under attack from unknown forces.