Best movies like Mongolian Death Worm

A set of vipers has been taken by scientists to mutate them to make a cure for cancer. As their experiment goes awry, the vipers escape into the woods - they're not only biting people, they're actually killing people, in a little town.

Richard Greico leads a team of electrical workers who stumble across a terrifying parallel universe. While investigating a strange power source in an abandoned building, the workers find themselves sucked into an underworld teeming with massive, man-eating, spider-like monsters. The bloodthirsty arachnid-human hybrids stalk and kill their victims one by one, leaving the dwindling group of survivors to fight back with just their wits and a handful of primitive weapons.

The residents of a small Alaskan town find themselves under attack by a flying reptile known in medieval mythology as a Wyvern. It has thawed from its ancient slumber by melting icecaps caused by global warming.

When a series of unexplained vicious animal attacks strikes his community, Sheriff Jim Tanner and his assistant Barbara trace them back to a Dr. Hyde, a former military researcher whose government funding for a dinosaur cloning project was cut. When the Pentagon discovers Hyde obtained foreign backing to continue his experiments, they send in a strike team to save Tanner and Barbara and stop Hyde.

Thirty years ago, Ray Reiter witnessed the brutal death of his parents at sea by a strange, octopus-like creature. Now determined to exact revenge, he joins archaeologist Nicole on a perilous high-seas expedition to find a legendary Greek Opal - said to be guarded by the very beast that murdered his family. As they come face to face with the killer Kraken, they must also battle a ruthless crime lord, who will stop at nothing to seize the coveted treasure for himself.

Cancer-terminal tycoon Peter Murdoch's secret Wexel Hall Pharmaceuticals lab has developed a blood orchid extract cure. To examine why it works optimally in snakes, they also bread a super-anaconda strain. But the original pair escapes, leaving a bloody trail of human corpses. Murdoch runs, instructing his staff to clean up. They keep failing and being eaten like unsuspecting locals, some alive, even after enlisting ruthless big game hunter Hammett. The fast-growing pregnant monster sheds its skin, thus disabling the only tracking device they have.

A genetically created Anaconda, cut in half, regenerates itself into two new aggressive giant snakes, due to the Blood Orchid.

A group of Delta Force soldiers, accompanied by a CIA agent, are sent to the Belzan forest in Chechnya in search of a rogue American weapons researcher, Dr. Benton Walsh. As they search for Walsh's camp, they are attacked by genetically-altered carnivorous bats. The survivors attempt to reach helicopter extraction but encounter various challenges, including Chechen rebels.

The blood orchid - a rare flower that could hold the secret of eternal life and be worth a fortune to the company that finds it first. Led by a pharmaceutical research team, a scientific expedition sets out to go and explore deep into the jungles of Borneo to locate and bring back samples of the legendary plant. Battling through rainstorms to make their way upriver, the group encounters poisonous insects and a ferocious crocodile, only to discover they're being stalked by an even greater danger: a gathering of giant anacondas. Heat-sensing, fifty-foot-long flesh eaters that will go after anyone that crosses in their path.

On a hot summer afternoon in the sleepy town of Blackwater Louisiana, a meteor streaks across the sky and crashes through the roof of the local Natural History Museum. The meteor is actually a spaceship containing an alien life form which animates the museum's partially frozen Woolly Mammoth and begins a rampage. Local authorities and Government Investigators join forces with Frank Abernathy, the Museum Curator, and his father Simon, a B-Movie enthusiast, to bring down the giant mammoth in this alien-invasion flick!

A fanatical animal rights activist releases giant pythons into the Everglades, believing the wild animals should be set free. When they start decimating the native animal population, an over-zealous park ranger feeds experimental steroids to wild alligators so they can fight back. The giant pythons and gargantuan alligators go on a killing spree, and it is now left up to the two feuding women to put aside their differences to put a stop to the creatures and the destruction.

Sleepy New Haven California is a small town with a big problem. A sixty foot slithering horror has arrived and shattered the town's tranquillity on it's path of death and destruction... Growing violent and more savage with each attack the gigantic creature soon becomes an unstoppable feeding machine raging beyond control of it's creator, leaving only the stripped bones of it's victims in it's wake.

A man, his business partner, and his wife are enlisted to transport an unknown object from a Russian military base, only to discover that the object is a giant, genetically-altered python.

In the fishing village of Cedar Bay, terror lies within the water. And now it has surfaced in search of something more substantial to devour than marine life: human flesh. A captain and a sea biologist must wage a terrifying battle against the deadly creatures in order to save mankind from total extinction.

An object is found that points to the secret of eternal youth so a research team is sent to find the fountain only to find it is protected by a giant snake

Under a powerful Mayan curse, snakes are hatched inside a young woman, slowly devouring her from within. Her only chance for survival is a powerful shaman who lives across the border. With only hours to live, she jumps on a train headed for Los Angeles. Unfortunately for the passengers aboard, they are now trapped, soon to be victims of these flesh-eating vipers.

Burt Gummer returns home to Perfection, Nev., to find that the town of terror has become a theme park, and when the simulated giant worm attacks turn real, the survivalist must battle the creatures once again. Gummer pits his impressive knowledge of weaponry against the newest and deadliest generation of flesh-eating graboids, with help from two young entrepreneurs.

Burt Gummer and his son Travis Welker find themselves up to their ears in Graboids and Ass-Blasters when they head to Canada to investigate a series of deadly giant-worm attacks. Arriving at a remote research facility in the artic tundra, Burt begins to suspect that Graboids are secretly being weaponized, but before he can prove his theory, he is sidelined by Graboid venom. With just 48 hours to live, the only hope is to create an antidote from fresh venom — but to do that, someone will have to figure out how to milk a Graboid!

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.

After an African dinosaur ancestor of the crocodile is found, Dr. Campbell uses its DNA to create prototypes at Paula Kennedy's Gereco lab.

An atomic explosion awakens Gammera, a giant fire breathing turtle monster from his millions of years of hibernation.

Gigantic monsters threaten to destroy everything in their path as mankind remains defenseless

A space shuttle crashes containing a lethal prototype organism designed to survive in any environment. The only people who can stop the creature are the Secretary of Defense agent and the female scientist who created it.

A groundbreaking device is designed to glimpse alternate universes. But when the machine malfunctions and transports a group of observers into a nightmarish dimension of alien terrors, the travelers must use ingenuity to survive.

When an oil company unwittingly unleashes a prehistoric shark from its icy prison, the Jurassic killer maroons a group of art thieves and a group of college students on an abandoned island

A Native American owner of a kitschy roadside museum accidentally brings to life three dinosaur fossils. Now really annoyed, the giant dinos wreak havoc on the small town and the local university.

With their father killed by a swarm of vampiric sea creatures, Bering Sea adventurers, Joe and Donna, team up with a marine biologist and her devoted deckhand to render the species extinct.

Horror tale of insects which eat their victims from the inside out.

On a lush tropical island, working under a secret government charter, Martin Drake has not only grown sprawling acres of giant vegetables, but inadvertently spawned two mammoth reptiles as well. Now they've broken free of their enclosures, and Drake has only one option: kill the creatures before word gets back to Washington and they close him down. When Drake's first team of well-armed mercenaries gets wiped out within hours of setting down in the jungle, he turns to one lone hunter, The Cajun, to go in single-handedly. But will The Cajun be cunning enough to find the creatures and destroy them before they turn the blue waters red with the blood of tourists. The only hope is to bring the monsters together and make them fight. When one emerges victorious, that will be the time to strike and kill the other. It's a risky plan, but ultimately the only one that may work. One of David Carradine's last movies.

The Megalodon shark. A prehistoric killing machine 60 feet long, flashing 200 pounds of teeth and weighing over 20 tons. It's the deadliest predator the world has ever seen. The scientists say it's been extinct for more than 10,000 years. The scientists are wrong. In the darkness of the deep, an underwater research station has been viciously destroyed. Now a tough team of daring divers led by Spencer Northcutt [Antonio Sabato Jr. "Melrose Place"] is taking an experimental sub to war. It's killer instinct vs. sophisticated technology, deadly jaws vs. harpoon-tipped torpedoes, mega-shark vs. modern man is a thrilling extreme deep sea fight to the death.

A scientist enlists the help of the US army to investigate the mysterious disappearance of her father, deep in the Belizean jungle. Caught in the crossfire between a brutal guerrilla army controlled by a mystical warlord, they are also confronted by an even bigger terror giant mutated wasps that are, for some reason, thirsty for blood.

Marine biologist Jack Ellway and his son Brandon are drawn to the Polynesian island of Malau to study the effects of recent seismic activity on the area's marine life. Along with the local doctor Alyson Hart, they soon become caught up in the investigation of a series of recent drownings with unexpected results. As Jack explores the surrounding ocean for a mysterious marine creature, Brandon discovers and befriends a three-foot-long baby creature that is able to leave the ocean and walk on land. As more dangerous and giant creatures come onto the island, and the military begins to take offensive action, Jack must risk everything to save the creatures, the island and his son. Written by ADAM G. THOMAS

Jason Gedrick and a small group of Marines are stranded in the remote Afghan desert. But it ain't the Taliban that's worrying them, it's these giant refugees from Tremors. In fact the big worms prove to be an ally of sorts by doing better against the Taliban than themselves but battling these enemies is something not covered in their training.

A team of terrorist-fighting Naval officers in the South China Sea finds their struggle against the enemy taking a backseat to the fight of their lives when an horde of creatures thought to be extinct for millions of years descend upon them in an action-packed tale of man-versus-monster starring Steven Bauer and Lorenzo Lamas.

A coastal town is plagued by a supernatural man-eating shark. A ghost hunter joins forces with a sea captain to uncover the secrets of the area's dark past and find a way to exorcise the spectral predator.