20 best movies like Hammerhead (2005)

Following a deadly viral outbreak, private military soldier Max Gatling leads a handful of survivors and a ragtag band of robots against an army of the infected.

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!

A group of skiers are terrorized during spring break by some sharks that swim through the snow. Avalanche Sharks tells the story of a bikini contest that turns into a horrifying affair when it is hit by a shark avalanche.

When an American oil company sets up an experimental drilling plant out in the vast deserts of Mongolia, they awaken a nest. The deadly creatures begin to breed and spread, devouring everyone in their path. The only person who can stop them is treasure hunter and adventure seeker who spent his life searching for a legendary tomb, fabled to be protected by the Death Worms. He knows he must do what he can to kill the creatures, but stopping these monsters may mean destroying his life's work forever!

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

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.

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

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.

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 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.

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!

The widow, Deputy Sheriff Jane Kozik, moves from Manhattan to Black Stone, New York, with her daughter Kelsey Kozik. There she expects to find a safe place to live. The day after moving, a homeless man is found dead in the tool shed of Jane's blind friend Beverly Rowe. Devin Hall and the entomologist Katherine Randell are summoned to help with the investigation. Devin is Jane's brother-in-law and former boyfriend, and Jane still has a crush on him. Meanwhile, Kelsey befriends the scientist Eli Giles, who has developed genetically modified wasps to the army as a weapon, and now he is trying to revert the process. When the wasps attack Black Stone, Jane, Devin and Eli team-up to attempt to destroy the swarm.

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

The Most Dangerous Game formula gets a monstrous twist as the mythical Hydra turns the tables on a group of wealthy human-hunters. Kidnapped along with three ex-convicts, former Marine Tim Nolan is transported to a deserted island where the super rich pay a fortune to hunt human prey. But this island isn't exactly deserted; it's actually home to Hydra the Beast!

A sleazy producer develops a concept he dubs "blood surfing" -- tossing bloody fish remains into the water to lure sharks and then surfing through the animals as they chomp about. Along with his camerawoman, the producer brings two thrill-seeking surfers to the coast of Florida to capture some gnarly footage. But, as they blood surf, they encounter something even more deadly: a colossal prehistoric crocodile intent on devouring them.

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

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!

New Mexico, present day. Brian and Lukas are off to the desert to join a kegger party and to celebrate Lukas’ victory in a motocross competition. His winning prize includes meeting The Deathinator, the biggest action star in the world. The party gets started under the hot desert sun, but Brian isn’t in the mood, so he wanders off and is soon joined by his friend, Lukas. They discover something strange in the desert which leads them into a secret military laboratory, where they discover the disturbing truth of what the government has been doing. Secret experiments on ants and spiders using DNA found in a meteorite which fell to Earth in 1951 has given birth to mutated giant ants which have overrun the facility. Now, it's up to Brian and Lukas to save the world from a giant ant invasion!

In the quiet waters of the Mississippi, body parts are being discovered. No one knows what is behind it all, until a huge man eating bull shark turns up. This bull shark is different, as it can breath in fresh water, making a deadly encounter between anyone who comes before it. John Sanders must now try and reach the surface, with his ex-wife and whilst being held hostage.

Supernatural private eye, Dylan Dog, seeks out the monsters of the Louisiana bayou in his signature red shirt, black jacket and blue jeans.

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.

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...

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!

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.

Captain Martin Stone is leading a finely-trained, elite platoon of Allied soldiers as they attack an enemy bunker. Underestimating their enemy's strength, they are quickly beaten back into the forest. As they try to regroup, they are suddenly attacked by the same soldiers they had just killed a few minutes earlier. Forced to flee deeper into Russian territory, they discover one of war's most terrifying secrets and realize they have woken up a far more deadlier enemy.

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.

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.

Arachnid is a 2001 film directed by Jack Sholder. In this movie, giant killer spiders menace survivors of a plane crash.

A small town, desperate to recover from hard economic times, is under threat when voracious Snakehead fish mutate and survive previous lake chemical poisonings. The fish transform from pests to predators when human growth hormones are dumped into the local lake in the hopes of reviving the local fishing industry. Thriving on the hormones, the Snakehead fish grow to monstrous proportions, devouring everything within reach. Capable of moving and eating on land, they are forced to leave the now barren lake in a desperate search for food - animal, vegetable or human.

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.

Jackson Slate, famous treasure hunter, is out to find the legendary Lost Gold Of Cortez in the open waters off a secluded island in the Caribbean Sea. Using dynamite to blast his way through centuries of silt, new chasms are created reaching miles below the ancient ocean floor. From here, an ancient evil is released, that quickly, savagely, and without warning, destroys Jackson s boat and kills his crew. The sole survivor of the carnage, Jackson teams up with marine biologist, Sarah, to venture back to the site and investigate the horrific events. They extract an egg from the darkest depths of the ocean and take it back to the lab to investigate. But when it hatches, they realise they have awaken a deadly prehistoric monster, the P-Rex, which will stop at nothing until the entire island is destroyed...

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.

Our hero, Cooper, awakes to find himself nauseous, weak and covered in webbing, hanging from the ceiling of an office where, just minutes ago, he started his new job. As he struggles out of his slimy prison he comes face to face with his opponent - a grotesque, powerful and very angry bug. All 3 ft of it. And so begins a hideous, nail-biting, comedic, all-action adventure to find a safe haven while constantly outwitting an infestation of monstrous proportions. As Cooper embarks on his journey, he befriends a ragtag group of survivors including the feisty, determined Sara. Will they make it to safety before they are picked off one by one? And what other surprises are in store for our group of unlikely heroes?

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.

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.

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.

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.

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.

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.

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.