20 best movies like Swamp Thing (1982)

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.

While returning from a military expedition a helicopter crash lands a commando unit in a dense, remote tropical jungle – a lost world populated by dinosaurs. Now they must find a way out of this isolated valley before becoming prey for prehistoric predators.

A group of researchers in Antarctica are abducted by a platoon of masked soldiers and dragged into a hidden continent in the center of the Earth. There, they discover that surviving Nazi soldiers are plotting an invasion of Earth to revive the Third Reich.

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.

When a mad scientist mixes the genes of a killer whale and a wolf, it creates the Whalewolf, and it's up to Sharktopus to stop it.

Open on gorgeous swamplands of the Atchafalaya Basin in the summer. Lots of beautiful teens are at the beach the weekend before Gator Fest. That night an animal smuggling deal goes wrong and a large sea creature escapes into a swampy backwoods river. At the McDaniel's "Gator Shack" restaurant, a local, Jackson is drunk, and gets mangled to bits. The town sheriff blames the carnage on the McDaniel's "escaped" pack of gators and tries hauling them off to jail. Rachel McDaniel, head of the family, claims to have seen the fin of a shark! Rachel and her family, along with the help of a mysterious stranger, Charlie, take on the Swampshark and the law to clear their names, save Rachel's kid sister Krystal and prevent the unwitting folks at the upcoming Gator Fest from being torn to shreds by a beast the likes of which no one has ever seen!

With much of America lying in ruins, the rest of the world braces for a global sharknado, Fin and his family must travel around the world to stop them.

A group of mutant gators attack the cajun people. Pouring blue chemicals in a Louisiana swamp causes the alligator population to morph into monstrous creatures including a clan of cajuns living in the bayou.

When an unprecedented amount of sinkholes erupt all over Florida, a new nest of fire spitting LAVALANTULAS is awakened… wreaking their fiery havoc all over the sunshine state.

When a team of backpackers sets out to explore the Indian jungles, one of them is bitten by a poisonous spider and killed.

A horrifying hybrid of genetic science and nature has taken over the Louisiana bayou, leaving terror in its wake! In the heat of the summer, what began as an day of boating and bikinis changes drastically when a school of genetically enhanced snakehead fish finds their way into Black Briar Swamp.

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.

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.

What is supposed to be a marriage boot camp on a remote island turns into the ultimate test for survival when a 6-headed shark starts attacking the beach. Trapped with minimal weapons they try to fight off the shark, but quickly discover that no one is safe in the water or on land.

When he began fusing human and shark DNA, his colleagues laughed at him. Now his creation is taking his revenge, and they aren't laughing anymore.

A tropical storm floods Soggy Meadows trailer park and forces a hungry shark upriver.

When a science experiment goes horribly wrong, gigantic fish gain appetites for human flesh.

1970's pop culture icons Danny Bonaduce and Barry Williams face off in the hunt for the legendary mountain creature.

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.

After finding a host body in investigative reporter Eddie Brock, the alien symbiote must face a new enemy, Carnage, the alter ego of serial killer Cletus Kasady.

After supervillain Shredder escapes custody, he joins forces with mad scientist Baxter Stockman and two dimwitted henchmen, Bebop and Rocksteady, to unleash a diabolical plan to take over the world. As the Turtles prepare to take on Shredder and his new crew, they find themselves facing an even greater evil with similar intentions: the notorious Krang.

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.

Based on actual creatures that for years have tormented our armed forces in the Middle East, these creatures have now invaded the southwestern deserts of the United States. The Camel Spiders now freely hunt for prey, unafraid of any predator - including man. No place is safe no one is beyond their paralyzing sting. In the end, a small band of hearty fighters are forced to make one last stand against the creatures.

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.

A group of oddball high school students find themselves trapped in detention with their classmates having turned into a horde of Zombies.

Trying to survive the family Christmas, Cody makes a wish to be alone, which ends up backfiring when a shark manifests and kills his entire family.

What starts off as a typical day on the streets of Seattle soon becomes a terrifying bloodbath, when a great white shark devours an alien space probe…and ROBOSHARK is born. The U.S. military comes after it with guns blazing, but it’s the power of social media that puts an ambitious newscaster and her tech-savvy daughter ahead of everyone else in the race to stop the destruction.

After a Soviet space station crashes into a New York City subway tunnel, a species of venomous spiders is discovered, and soon they mutate to gigantic proportions and wreak havoc on the city.

When a top-secret laboratory is unexpectedly breached, thousands of rampaging raptors are unleashed on Los Angeles! A black-ops unit is mobilized to contain the creatures before they cause city-wide chaos. Simultaneously, a truckload of raptors is rerouted to a nearby prison. Upon their escape, these ferocious flesh-eaters are beyond containment. This is Jurassic judgment night for smoking hot sorority girls, sinister scientists, muscle-bound military and doomed death-row inmates! It's about to get bloody in Jurassic City!

Just when you thought it was safe to go back to the beach, it appears that our large fishy friends have found a way to chomp on you when you're chilling out on the sand too!

An offshore drilling accident triggers the release of a giant prehistoric shark. When marine biologist Kat Carmichael arrives, she runs up against corporate front man Roger Wade, who plots with Stewart to disrupt her investigation. With the help of Skipper Chuck and disc jockey Dynamite Stevens, Kat tries to find a way to defeat the monster which has evolved to a state where it can walk on dry land and fly...it's the SUPER SHARK!

Six children genetically cross-bred with avian DNA, complete with wings, take flight around the country to discover their origins.

A lab accident gives a hound named Shoeshine some serious superpowers -- a secret that the dog eventually shares with the young boy who becomes his owner and friend.

A giant flesh-eating reptile takes the Arctic region by storm.

The film opens with a baby dinoshark swimming away from a broken chunk of Arctic glacier that calved due to global warming. Three years later, the dinoshark is a ferocious predatory adult and kills tourists and locals offshore from Puerto Vallarta, Mexico. The protagonist, Trace, is first to notice the Dinoshark and witnesses his friend get eaten, but has trouble convincing people that a creature of such antiquity is still alive and eating people.

When a fracking mishap accidentally rips apart the earth’s crust, the resulting hole opens up a gaping underground water way to a vast and mysterious ocean somewhere deep below. Instantly, giant prehistoric sharks begin wending their way upward toward a murky bog in the heart of the Arkansas Bayou. Unfortunately, for a group of female prisoners on a work detail in the swamp, the deadly sharks attack without warning – pinning a hapless group of intended victims in a small deserted cabin in the heart of the wetlands. Death may be the only means of escape!

Many years ago, hundreds of locals and tourists were massacred by giant man-eating sharks in the infamous 1916 Jersey Shore attacks. But that's just a legend... or is it? It's a holiday weekend on the Jersey Shore and, unbeknownst to anyone, underwater drills have attracted dozens of albino bull sharks to the pier. When a man goes missing, TC (The Complication), Nookie and friends fear the worst and plead with the police chief to close down the beach. It isn't until a famous singer is eaten alive during a performance on the pier that the shark hunt begins. Now, the Preppies must work together with the Guidos in order to save the Jersey Shore and its inhabitants from another vicious slaughter.

In search of a new energy source, Russia accidentally reawakens the Kolossus - a giant robot doomsday device from the Cold War. At the same time, a new Mega Shark appears, threatening global security.

Scientists discover a giant creature under the Earth that is wrapped around the entire planet. When the creature wakes all grumpy, it causes worldwide destruction.

Giant albino spiders break free from the depths of Earth in New Orleans, making everyone’s worst nightmare a reality.

The residents of a rural mining town discover that an unfortunate chemical spill has caused hundreds of little spiders to mutate overnight to the size of SUVs. It's then up to mining engineer Chris McCormack and Sheriff Sam Parker to mobilize an eclectic group of townspeople, including the Sheriff's young son, Mike, her daughter, Ashley, and paranoid radio announcer Harlan, into battle against the bloodthirsty eight-legged beasts.