Best movies like Leeches!

A biology professor discovers a deadly species of vampire bats are responsible for a series of bizarre murders and now she must find a way to stop them before they are completely out of control.

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.

Killer bats plague an Indian reservation in Arizona.

An oceanic observation station is in desperate trouble after a sudden shark attack wrecked the oxygen supply. The accompanying ship, a coast guard cruiser, and other ships in and around the Bermuda triangle are attacked as well. The US Navy sends a submarine to investigate, but soon they too are under attack.

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.

Amanda's deathbed request to her son, John, was for him to destroy all the lab notes etc. from her last experiment. She also blurts out he had a brother. At the funeral John meets Melissa, who claims to be his mother's biggest fan. Together with some of John's friends they go to Amanda's house, but none are prepared for what they find there.

Dr.Decker comes back from Africa after a year, presumed dead. During that year, he came across a way of growing plants and animals to an enormous size. He brings back a baby chimpanzee to test out his theory. As he has many enemies at home, he decides to use his chimp, 'Konga' to 'get rid of them'. Then Konga grows to gigantic proportions and wreaks havoc all over the city of London!!

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

Dr. John Beck, recently married, decides to take his wife, Cathy, spelunking in Carlsbad Cavern. While there, Dr. Beck, who specializes in bats, is bitten by a fruit bat. He is then, inexplicably, transformed into a vampire bat. While he escapes and seeks help from another doctor, it is clear the treatments are not working. In fact, they are aggravating his condition. Dr. Beck unwittingly goes on a killing spree, catching the attention of Sergeant Ward.

Genetically mutated bats escape and it's up to a bat expert and the local sheriff to stop them.

A young woman gets raped by a mysterious man-creature, and years later her son begins a horrific transformation into a similar beast.

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.

Bugged! tells the story of a group of bumbling exterminators who are called over to the house of an attractive young novelist to rid her house of insects. Unfortunately, due to a horrible chemical mix-up, the poison spray causes the bugs to grow to enormous sizes, and pretty soon everyone's trapped inside the house and have to find a way to stop the dastardly pests before they start multiplying and take over the world.

A group of scientists have developed the Resonator, a machine which allows whoever is within range to see beyond normal perceptible reality. But when the experiment succeeds, they are immediately attacked by terrible life forms.

In the distant future, a federation marshal arrives at a research lab on a remote planet where a genetic experiment has gotten loose and begins feeding on the dwindling scientific group.

A psychotic redneck who owns a dilapidated hotel in the backwater swamps of Louisiana kills various people who upset him or his business, and he feeds their bodies to a large crocodile that he keeps as a pet in the swamp beside his hotel.

A black hole hits North Wisconsin and opens a door to other dimensions. Giant 15 meter spiders emerge from it, who have an appetite for human flesh! Dr. Jenny Langer and Dr. Vance from NASA try to save the world.

After Los Angeles is invaded by an army of subterranean monsters, a small group of people must fight for survival in the deserted metropolis.

The heat of a meteor crashing into the lake incubates a prehistoric egg, which grows into a plesiosaur-like monster that terrifies the community.

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.

A group of friends including Brady Turner, Claire and Duncan McKay go out on a boat trip on a lake in Southern California, but their joyful weekend turns into horror, when a giant killer crocodile searching for its stolen eggs, picks off anyone who gets in its way. Can they all escape in one piece or will they slowly and painfully fall to the mammoth reptile.

Corn grain contaminated with steroids produces large rats the size of small dogs who begin feeding on the residents of Toronto. Paul, a college basketball coach, teams up with Kelly, a local health inspector, to uncover the source of the mysterious rat attacks and they eventually try to prevent the opening of a new subway line as well as find the mutant rats nest quickly, or there will be a huge massacre of the entire city!

Teens trapped on an island are haunted by a demon hidden inside...a pinata.

A shy comic book fan is injected with an experimental serum and starts turning into a spider. When web covered bodies start appearing a policeman starts to investigate the strange case.

When Seth Brundle makes a huge scientific and technological breakthrough in teleportation, he decides to test it on himself. Unbeknownst to him, a common housefly manages to get inside the device and the two become one.

A growth hormone experiment gets out of hand, when the the resulting giant man-eating rats escape, reaking havoc on the unsuspecting campus. Much blood-letting follows.

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.

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?

A lakeside resort comes under attack by a seemingly infinite hoard of flesh-eating ants.

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

Doctor Baines has been conducting genetic experiments on piranhas and has made them virtually unstoppable. Unfortunately, his assistants, Maggie and Paul, accidentally release the hybrids into the Lost River Lake threatening to destroy everyone in their path. Can they prevent the flesh-eating piranhas from escaping into the ocean and spawning?

Teens camping in a northern California retreat are terrorized by mutant insects created by evil, polluting pot farmers.

Eighteen year-old Corey Peterson and his mother move to a small town due to a trauma in their past. On Corey's first day at Hallows End High School, he's approached by Mason, also new in town, who tells him about the death of his friend at the school and advises Corey to stay away from the wrestler Perry and his gang. When two other students vanish, Corey decides to talk to Principal Rizcheck, who pays no attention to him. Corey and Mason investigate the secret about the school and expose the dark truth about Hallows End and the missing students.

Happy couple Jason and Alexandra lose their sail yacht in a storm and are grateful to get picked up by Captain Jim Bigelow's commercial carrier. Suspicious about the ship's doctor and realizing the ship is improbably empty and the radio not broken as the crew claims, Jason starts snooping around. Bodies on meat-hooks, genetic experimentation and giant spiders are what he finds.

A mad scientist's experiment goes awry, turning a homeless man's eyeball into a giant killing machine that has an insatiable appetite for young women.

After the mayor uses a potentially dangerous substance to protect the local plantation, the lakeside town of Mountview, in California, is attacked by a lethal species of large cockroach. After some of the town's inhabitants are killed, the mayor enlists the help of eccentric pest exterminator General George S. Merlin in order to prevent further harm to the local dwellers.

American astronaut Frank Douglas mysteriously disappears from his spacecraft as it parachutes to Earth. He is apparently replaced by or turned into a large, radioactive, humanoid monster. A team of scientists and military men attempt to capture the monster.

A group of biology students head to the Florida Everglades for a holiday, but instead of fun in the sun, they run into trouble with a mutated, bloodthirsty, and quite deadly jellyfish-man-monster.

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

The U.S. Navy's special group "Blue Water" builds a half-shark, half-octopus for combat. But the sharktopus escapes and terrorizes the beaches of Puerto Vallarta.

A group of amazing athletes are systematically stalked and killed by a crazed, hoodie wearing psychopath.

A widow, Deputy Sheriff Jane Kozik, moves from Manhattan to Black Stone, New York, with her daughter Kelsey. 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; an entomologist, Katherine is summoned to help with the investigation, along with Devin, Jane's brother-in-law and former boyfriend. Meanwhile, Kelsey befriends Eli, a scientist who has developed genetically modified wasps to the army as a weapon, and who is now trying to revert the process. When the wasps attack Black Stone, Jane, Devin and Eli team-up to attempt to destroy the swarm.

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 hybrid creature - half piranha and half anaconda -- attacks a low-budget horror movie crew on location near her nest when her egg is stolen. Now they must outrun and kill the deadly piranhaconda as well as stop the mad scientist who stole the egg - before they all become dinner.

A beautiful island is home to thousands of species of aquatic life. Now there is a new species: the 5-Headed Shark is all heads and teeth. Shaped like a demented starfish, this monster terrorizes the open ocean before invading the beaches of Puerto Rico, endangering the once peaceful island paradise.

A baby dinoshark evolves into a ferocious predatory adult, terrorising tourists and locals offshore from Puerto Vallarta, Mexico.

When an army of radioactive ants are unknowingly carted into a skyscraper, a group of people have to find a way out before they're eaten one by one.

Chemical waste seeps into a small town's water supply, causing the birth of a mutant FROGGG which is instinctively driven to mate with its genetic match - human women. Sexy EPA super-agent Dr Barbara Michaels tracks the Froggg's every move, fighting off corrupt good-ol'-boy politicians and drunken rednecks at every turn. No one in town believes her, or the evidence, until the shocking climax when the Froggg is finally brought to justice... or IS it...?

Cami is a dedicated student of entomology that is researching insects in her sorority house. When her sorority sister Josi sprays insecticide on her bugs, Cami becomes upset. But sooner she learns that the insects had grown bigger and bigger and she and her sisters are under siege by the insects. Further, Josi is the host of the breed of mutant insects that are very hungry.

Cassidy is a senior at a NYC college and he's trying to balance the demands of school, his role as big brother to Jessica, a freshman at the same school and his role as best buddy to horn-dog Mike with his emerging feelings of attraction to men. This is further complicated by a string of co-ed murders on campus for which his sister fits the victim profile.