20 best movies like The Beast from 20,000 Fathoms (1953)

A group of heavily armed hijackers board a luxury ocean liner in the South Pacific Ocean to loot it, only to do battle with a series of large-sized, tentacled, man-eating sea creatures who have taken over the ship first.

Six high school seniors celebrating with day's excursion find themselves on rowboat attacked by man-eating fish and must decide who must be sacrificed as they fight their way back to shore.

A mysterious virus, carried by mutant rats, creates pandemonium in New York City in which rat-bite victims turn into homicidal rat-mutants. This movie centers on six tenants of a small apartment complex on the Lower East Side Mulberry Street as they fight to survive the night against the rats and rapidly multiplying cannibal mutants.

When a young ski team training for the Olympics arrives at the remote and isolated Lost Mountain Ski Resort to focus on training, they're thrilled to find a retired Olympic skier is there to help them train. But their plans are halted when a scientist working at a nearby government lab arrives with the horrifying news that a top secret Government project has produced giant spiders and they have escaped, killing and eating everything in sight.

When zombies overrun San Francisco, a desperate group survives by locking themselves inside Alcatraz Prison. When the undead breach the island, our heros are forced to return to the mainland overrun with the undead.

The year is 1998, six years after the nuke wars reduced the world to rubble and a few bands of wandering survivors. One of these groups stumbles into an abandoned government research facility, where they were working on making the body capable of creating its own amino acids, thus obviating the need for food. They are then attacked by one of the leftover experiments and begin experiencing an attrition problem.

In the midst of a tropical storm, the crew of an offshore oil rig must survive the rampage of a creature after invading its undersea habitat.

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

When a group of close-knit friends assemble for the marriage of Skylar and Dan, they have no idea they will witness The Rapture and face a series of catastrophic events turning the celebration into a life-or-death struggle.

A shipwrecked sailor stumbles upon a mysterious island and is shocked to discover that a brilliant scientist and his lab assistant have found a way to combine human and animal DNA—with horrific results.

Years after a mysterious plague has devastated the planet and turned most of humanity into blood-hungry creatures, a rogue drifter on a vengeful hunt stumbles across a band of survivors in an abandoned police station and reluctantly agrees to try to help them defend themselves and escape to the sanctuary they so desperately need.

Deep in the Northern California woods, in the heart of the notorious Emerald Triangle, lies a remote cabin. The residents struggle to fight off the repeated attacks and abductions by mysterious creatures that have plagued them for years. When a local pot farmer is caught up with a wayward group of campers the situation quickly escalates into total carnage.

A pharmaceutical company recruits a well-known scientist to help develop a vaccine against a deadly virus.

Six college friends unite for a weekend getaway where they find themselves fighting for their lives after a terrorist attack turns the local residents into rage infused zombies.

A lone-wolf scientist sequestered in a mansion near a small desert town arouses the suspicion of the town's doctor when his lab assistant is found dead from a case of acromegaly which took only four days to develop. As the doctor investigates, aided by the scientist's new, and very female, assistant, they discover that, far worse, something much larger and hungrier than it ever should be, is devouring local cattle - and humans - in increasingly large quantities.

It has been over one year since the start of the outbreak. Our society has collapsed and the world has descended into chaos. Elvis and Tweeter are two of the last people left alive, and band together to flee the United States for a remote island somewhere in the Caribbean. On the island, they find a new community struggling to hold out against an army of corpses. They can join this band of survivors-- but only if they can do what must be done for the good of the group.

A group of college friends discover a 15th century coffin that allows them to experience the world as ghosts. While their first adventures in the spirit world are playful and innocent, the "Box of Shadows" soon brings out the group's most dangerous impulses and desires. The friends find themselves pulled into a world of evil where they learn the line between life and death is there for a reason.

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.

Paul Dean has created a deadly parasite that is now attached to his stomach. He and his female companion, Patricia Welles, must find a way to destroy it while also trying to avoid Ricus, his rednecks, and an evil government agent named Merchant.

A romantic getaway for two troubled college sweethearts turns into a struggle for survival when unexpected guests - and the surrounding environment - exhibit signs of a mysterious infection.

A homicide detective and an anthropologist try to destroy a South American lizard-like god, who's on a people eating rampage in a Chicago museum.

People disappear every year out in the snow--but this year, something is adding to the body count. Jim and his research team study the Canadian Lynx every year. This year, he has to take his rebelling 16 year-old daughter, Emmy, with him. But the lynx are missing. As Jim and his team try to find why, something stalks them--a predator no prey can escape.

Life for former United Nations investigator Gerry Lane and his family seems content. Suddenly, the world is plagued by a mysterious infection turning whole human populations into rampaging mindless zombies. After barely escaping the chaos, Lane is persuaded to go on a mission to investigate this disease. What follows is a perilous trek around the world where Lane must brave horrific dangers and long odds to find answers before human civilization falls.

A man receives a mysterious box containing a terrible secret, a creature that will kill everyone else in his family unless he passes it on to someone he loves to continue its never-ending circulation.

When an undersea volcano sends tremors throughout the Atlantic, aquatic creatures come out of hiding. Merchant seamen Joe Ryan and partner Sam Slade harness the most unusual of the lot, a massive beast that looks like a Tyrannosaurus Rex. The enterprising sailors deliver their quarry to a British circus, but it turns out that the animal is a newborn. And, when his much larger mother arrives in London to rescue her son, the city feels her wrath.

Brothers John and Matt have inherited an island cabin from their recently deceased uncle. Along with Matt's girlfriend, Nicki, and other mutual friends, the siblings travel to the cabin for a relaxing weekend getaway. But, not long after arriving, the group is besieged by ravenous dogs. They watch in horror as another vacationer, Luke, is eaten alive. Soon, they discover a training facility where the dogs have been bred to kill.

A fishing community on a remote Maine island finds itself suddenly cut off from the rest of the world after the ferry stops coming. When people start to vanish, the terrified survivors realize that someone - or something - is hunting them.

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.

They're not human. But they hunt human women. Not for killing. For mating.

A woman returns to her family home and discovers it to be inhabited by monsters.

Eccentric scientist Victor Von Frankenstein creates a grotesque creature in an unorthodox scientific experiment.

The crew of a West of Ireland trawler—marooned at sea—struggle for their lives against a growing parasite in their water supply.

Just when you thought it was safe to go back in the water again, you can’t even get across the sand! BLOOD BEACH meets SPRING BREAKERS in an ace monster mash-up of smart nostalgia and up-to-the-minute visual effects. After an all-night graduation beach party, a group of hung-over students wake up under blazing sun to find their numbers somewhat depleted. An enormous alien creature has burrowed down deep and anyone foolish enough to make contact with the sand finds themselves at the mercy of a sea of flesh-eating tentacles. Will they ever be able to escape its carnivorous clutches?

A dying professor leaves his great-nephew a collection of documents pertaining to the Cthulhu Cult. The nephew begins to learn why the study of the cult so fascinated his grandfather. Bit-by-bit he begins piecing together the dread implications of his grandfather's inquiries, and soon he takes on investigating the Cthulhu cult as a crusade of his own.

A group of young people stuck in the small Texas town of Fossil Ridge have to fight for their lives against dinosaurs that have been reanimated by a local scientist.

Eren leaves to restore a break in the wall destroyed by a Titan. He comes under attack by the Titans and is cornered. Shikishima comes to his aid. The titans never stops attacking. Eren is now injured and tries to protect Armin, but is swallowed by a titan. A Titan with black hair appears and begins to expel the other titans.

After Air Force One goes down during a storm over the Bermuda Triangle, the United States Navy is dispatched to find the escape pod holding the President. A giant monster beneath the ocean awakens and attacks the fleet.

Months after a zombie plague has wiped out 90 percent of the American population, a small group of survivors fight their way cross-country to a rumored refuge on the island of Catalina.

After freezing up under pressure in the emergency room, Dr. Cahill decides to spend a few months unwinding on a little Maine island where he immediately gets off on the wrong foot with the locals. Meanwhile, a body has washed up on shore infested with a strange type of carnivorous cockroach. But when Dr. Cahill tries to warn the townsfolk of the danger, they are naturally skeptical. Will they realize the truth before it's too late?

A scuba diving instructor, her biochemist boyfriend, and her police chief ex-husband try to link a series of bizarre deaths to a mutant strain of piranha fish whose lair is a sunken freighter ship off a Caribbean island resort.

The Gardner family moves to a remote farmstead in rural New England to escape the hustle of the 21st century. They are busy adapting to their new life when a meteorite crashes into their front yard, melts into the earth, and infects both the land and the properties of space-time with a strange, otherworldly colour. To their horror, the family discovers this alien force is gradually mutating every life form that it touches—including them.

Chaos consumes a small town when a chemical facility explodes releasing a deadly toxin. Moments after the leak, the town's residents show signs of mutation, causing the military to quarantine the area leaving any survivors helpless and trapped inside. The story follows Jim, a young man isolated within the red zone, as he eludes flesh eating zombies in an attempt to win back his freedom.

Flight 7500 departs Los Angeles International Airport bound for Tokyo. As the overnight flight makes its way over the Pacific Ocean during its ten-hour course, the passengers encounter what appears to be a supernatural force in the cabin.

When the body of a man is found completely destroyed in the swamps in Louisiana, the medical investigator Sam Rivers is assigned to investigate the murder. He travels with the biologist Mary Callahan to the location where the victim lived in a floating house and he meets his family and friends. They find that Chinese snake-heads genetically engineered that belong to a wealthy hunter are attacking and killing the locals. While the group fights to survive, the hunter Jeff arrives with his team to hunt the predators.

After he is artificially created, then left for dead by a husband-and-wife team of eccentric scientists, Adam is confronted with nothing but aggression and violence from the world around him. This perfect creation-turned disfigured monster must come to grips with the horrific nature of humanity.

Scientists and American Air Force officials fend off a blood-thirsty alien organism while at a remote arctic outpost.

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.

In Sector 7, an underwater oil field located south of Jeju Island, Hae-jun is working as a marine equipment manager on an oil prospecting ship called Eclipse. Joining the crew later is Jeong-man, a former colleague of Hae-jun's father, assigned to Eclipse as captain. Though his job is to oversee the withdrawal of the ship, he suggests conducting some drilling one last time.

The mutant babies have been placed by court order on a deserted island. Appalled by the cynicism and exploitation of the children by the legal system and the media, the man responsible for them leads an expedition to the island to free them.

A dog turns from man's best friend into man's worst nightmare as he attacks everything that moves.