Best movies like Das Monstrum

A mad scientist turns himself into a half-man, half-bird monster to avenge the death of his ancestor.

The head of a major cosmetics company experiments on herself with a youth formula made from royal jelly extracted from wasps, but the formula's side effects have deadly consequences.

A boy takes in a stray dog, later finding out that its an ultra-intelligent runaway from a genetic research lab. Unbeknownst to him, the dog is being stalked by another escaped creature thats not quite so friendly.

A crazed scientist experimenting with a rage virus on innocent victims in a laboratory in the woods. When his monstrous subjects escape and vultures devour their remains, they became mutations seeking to feed on humans.

A homicide detective teams up with an evolutionary biologist to hunt a giant creature that is killing people in a Chicago museum.

Fifteen years after his father's experiments with matter transmission fail, Philippe Delambre and his uncle François attempt to create a matter transmission device on their own. However, their experiments have disastrous results, turning Philippe into a horrible half-man, half-fly creature.

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.

30 feet of pure terror is the result of an experimental drug used in a biochemical lab and this mutated nightmare is pure evil! Half-African cobra and half-diamondback, he's 30 feet long with a giant appetite for terror.

A team of environmentalists, including a reporter, her camera man, and an environmentalist's famous girlfriend charter a boat and with the captain, sail to a military island. They suspect the island is hosting to illegal activities. Upon arrival, however, they find no one. They finally reach a deserted house, where they find Dr. Susan Richardson, who tells them that everyone on the island is dead, including her father. Richardson's team were working on a compound that could make edible plants grow to super size, however the military intervened with plans of their own. They wanted to test the compound's effects on animals, and proceeded to feed it to several komodo dragons and cobras.

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

An attractive reporter investigating the mysterious destruction of an Illinois town stumbles upon a secret government laboratory conducting radiation experiments on vegetables. The lead scientist is eager to help find out what happened. Together they discover that giant grasshoppers are behind the devastation. Worse yet, thousands of them are headed toward Chicago! Can they be stopped... or is this the BEGINNING OF THE END?

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.

Once the booming home of pharmaceutical giant Umbrella Corporation, Raccoon City is now a dying Midwestern town. The company’s exodus left the city a wasteland…with great evil brewing below the surface. When that evil is unleashed, the townspeople are forever…changed…and a small group of survivors must work together to uncover the truth behind Umbrella and make it through the night.

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.

Near a small English village, a scientific team is conducting experiments with magnetic fields, the results of which may have military applications but the intensification of which seem to be connected to UFO reports, a series of murders, an enormous insect egg, and a strange visitor with exceptional scientific knowledge.

Corporate smuggling of South American killer bees into the United States results in huge swarms terrorizing the northern hemisphere. A small team of scientists work desperately to destroy the threat, but the bees soon mutate into a super-intelligent species that threatens the world.

Mad scientist turns a man into an electrically-controlled monster to do his bidding.

The son of the inventor of a matter-transporter, which turned him into a monster when he tried to transport himself along with a tiny housefly, continues to pursue his father's experiment, while his own two sons attempt to extricate him, themselves and the family name from further disaster and scandal.

Alma is a scientist at Berlin's famous Pergamon Museum. In order to obtain research funds for her studies, she accepts an offer to participate in an extraordinary experiment. For three weeks, she must live with a humanoid robot with artificial intelligence designed to allow it to morph into that of her ideal life partner. Enter Tom, a machine in human form, created to make her happy.

Industrialist François Delambre is called late at night by his sister-in-law, Helene Delambre, who tells him that she has just killed her husband, André. Reluctant at first, she eventually explains to the police that André invented a matter transportation apparatus and, while experimenting on himself, a fly entered the chamber during the matter transference.

Martin Brundle, born of the human/fly, is adopted by his father's place of employment (Bartok Inc.) while the employees simply wait for his mutant chromosomes to come out of their dormant state.

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.

The baron's grandson rents the family castle to a TV crew to fund his atomic revival of the family monster.

A ship-wrecked man floats ashore on an island in the Pacific Ocean. The island is inhabited by a scientist, Dr. Moreau, who in an experiment has turned beasts into human beings.

A virus from outer space transforms a bio-researcher into a blood thirsty monster. But chief, Dr.Vialini doesn't like the cops and public to be involved in this secret experiment. But he becomes lunch very soon.

A demented prison doctor performs gruesome shock therapy experiments on inmates.

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.

A mad scientist, Dr. Aranya (Jackie Coogan), has created giant spiders in his Mexican lab in Zarpa Mesa to create a race of superwomen by injecting spiders with human pituitary growth hormones. Women develop miraculous regenerative powers, but men mutate into disfigured dwarves. Spiders grow to human size and intelligence.

A test rocket carrying wasps to outer space, to study the effects on them of weightlessness and radiations, crashes out of control back to Earth, into the jungles of Africa. The two astrobiologists in charge of the test mount an expedition to the Darkest Continent to retrieve their experiment, only to find the wasps have grown to giant size which are panicking all forms of life as they quest for food.

A marine biologist and a government agent investigate mysterious deaths and rumors of a sea monster in a secluded ocean cove, and find themselves involved with a marine biology professor conducting secretive experiments, international spies trying to steal his secrets, a radioactive light on the sea bottom, and the malevolent thing which guards it.

A rogue scientist 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 female assistant, they discover that something is devouring local cattle and humans in increasingly large quantities.

A boy born the size of a small doll is kidnapped by a genetic lab and must find a way back to his father in this inventive adventure filmed using stop motion animation techniques.

An ape crash-lands on Earth, which creates a sludge that makes him and a passing lizard grow to giant-size, resulting in a fight for dominance.

A headstrong animal-rights activist group plans a raid on a bio-tech company to stop the cruelty. They discover the true nature of the experiments that are really taking place. As they break into a biotech lab only to have their idealism crushed by the terrifying things they find inside. But when a genetically mutated human with a taste for human flesh gets released, they all struggle to survive!

A student receives a serial killer's brain in a transplant after being thrown into a pool with no water in it

A mad scientist (Donald Pleasence) crosses plants with people, and the results wind up in a sideshow.

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.

A mad scientist unleashes his master plan: to transform himself into a mutated walking catfish, and gain revenge on those who have spurned him. His plans go wrong, and he becomes tempted to kidnap a nubile young woman to similarly transform her so that he can breed.

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 biological experiment in Florida goes awry. The result: 8-foot long land crabs which roar loudly and kill everything in sight.

A crazed scientist keeps the heads of Nazi war criminals alive until he can find appropriate bodies on which to attach them so he can revive the Third Reich.

A group of tourists arrive to see the botanical gardens on a small island off the Italian coast. The only inhabitants of the island are the famous botanist Baron von Weser and his two faithful servants; all of the other residents fled after a series of mysterious deaths. When the car driven by the tourists' guide hits one of the baron's servants, von Weser explains that the death was due to a rare and incurable disease, not the accident. That night, the guide and Cora Robinson, one of the guests, are found murdered with all the blood drained from their bodies.

In effort to create the perfect nutria for breeding by the fur industry, a scientist and his assistant inadvertently create a brutal mutation that escapes into the nearby swamps.

Police lieutenant detective Thomas 'Thom' Randall's steady girl-friend, Dr. Jennifer 'Jen' Allen, is Dr. Aaron Michaels's main assistant on his pharmaceutical firm Bellion's research program to cure the highly contagious, fatal infection Guinin. A convicted murderer, whom Thom arrested, is one of their special drug test subjects, but escapes. The convict and Jen are affected by radioactively altered DNA from an experimental reactor used on mosquitoes which transfer quinine. The convict soon mutates into a mosquito-like monster, which sucks its victims dry. By the time Thom and his junior murder brigade partner Charlie Morrison figure out what happens, Jen starts mutating herself.

After their plane crashes in the Pacific ocean after a storm a group of people scramble to a tropical island. At first the place seems home to palm trees and exotic wildlife but on the discovery of a disused military base they find out the island poses a severe threat to them

An alien microbe lands in remote Siberia in the 1950's. In the year 2004, US scientist working at a top secret underground lab in Alaska clone the microbe. A garbled distress signal is heard from the lab just before a complete lock down of the facility. This is the last word sent out from the scientists. A team of scientists and military personnel are in charge of finding out what went wrong.

Thirteen-year-old Anna is intrigued by the secret experiments of her eccentric uncle Victor, but her curiosity soon turns to total terror when she's confronted by Uncle Victor's latest creation - a hideous-looking monster with the soul of a man, stitched together and reanimated from the bodies of the dead.

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.

Canadian scientist, Dr Geoff Burton takes up a position at a new institute in wintry Dresden in order to contribute to their most important project—a human regeneration gene—that also has the potential to make something miraculous out of a personal tragedy that has haunted him for years.

A man on the cutting edge of science becomes the first to successfully clone a person, but events unravel when the news leaks out before his team could prepare for what's to come.