Best movies like The Green Slime
Last updated March 2024
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Plot Summary:
A giant asteroid is heading toward Earth so some astronauts disembark from a nearby space station to blow it up. The mission is successful, and they return to the station unknowingly bringing back a gooey green substance that mutates into one-eyed tentacled monsters that feed off electricity. Soon the station is crawling with them, and people are being zapped left and right!.
IMDB Rating: 4.8
IMDB Votes: 4000
Genere: Drama, Horror, Sci-Fi
Country: Italy, Japan, USA
Duration: 90 min
Plot tags: grindhouse, psychotronic, retro, suspense, medical horror, cult horror, scary, exciting, serious, suspenseful
Best tv shows and movies like The Green Slime (1968):
Similar in 88%
Frankenstein Meets the Spacemonster (1965)
Plot Summary:
When an atomic war on Mars destroys the planet's women, it's up to Martian Princess Marcuzan and her right-hand man Dr. Nadir to travel to earth and kidnap women for new breeding stock. Landing in Puerto Rico, they shoot down a NASA space capsule manned by an android. With his electronic brain damaged, the android terrorizes the island while the Martians raid beaches and pool parties.
IMDB Rating: 3.8
IMDB Votes: 2000
Genere: Horror, Sci-Fi
Country: USA
Duration: 79 min
Plot tags: grindhouse, retro, freeze frame, scary, serious, fast, psychotronic, independent film, bizarre, campy
Similar in 75%
The Crawling Hand (1963)
Plot Summary:
After an astronaut space capsule is detonated in orbit, a teenager finds a severed arm among wreckage on earth. Soon the thing returns to life to murder and posses the young man's mind.
IMDB Rating: 3.2
IMDB Votes: 2000
Genere: Horror, Sci-Fi
Country: USA
Duration: 89 min
Plot tags: rough, serious, scary, suspense, grindhouse, horror comedy, cult classic, classic horror, independent film, offbeat
Similar in 80%
The X from Outer Space (1967)
Plot Summary:
The spaceship AAB-Gamma is dispatched from FAFC headquarters in Japan to make a landing on the planet Mars and investigate reports of UFOs in the area. As they near the red planet, they encounter a mysterious UFO that coats the ship's hull with unusual spores. Taking one of the specimens back to earth, it soon develops and grows into a giant chicken-lizard-alien monster that tramples Japan.
IMDB Rating: 4.8
IMDB Votes: 1000
Genere: Horror, Sci-Fi
Country: Japan
Duration: 89 min
Plot tags: daikaiju, retro, suspense, grindhouse, cult classic, scary, exciting, serious, suspenseful, fast
Similar in 86%
Laserblast (1978)
Plot Summary:
Loner teenager Billy Duncan (Kim Milford) stumbles across a lost alien ray gun while wandering the desert one day. Billy uses the destructive weapon to get revenge on his enemies, but quickly finds himself beginning to turn into a violent, alien creature who destroys anyone who offends him.
IMDB Rating: 2.8
IMDB Votes: 7000
Genere: Horror, Sci-Fi
Country: USA
Duration: 85 min
Plot tags: retro, slasher, mysterious, grindhouse, mockbuster, cult classic, disgusting, scary, exciting, offbeat
Similar in 90%
The Creeping Terror (1964)
Plot Summary:
A newlywed sheriff tries to stop a shambling monster that has emerged from a spaceship to eat people.
IMDB Rating: 1.9
IMDB Votes: 5000
Genere: Horror, Sci-Fi
Country: USA
Duration: 77 min
Plot tags: cult classic, retro, suspense, detective, grindhouse, independent film, scary, offbeat, suspenseful, semi serious
Similar in 87%
Zontar: The Thing from Venus (1967)
Plot Summary:
A misguided scientist enables an alien from Venus named Zontar to come to earth in order to help solve man's problems.
IMDB Rating: 3.2
IMDB Votes: 1000
Genere: Horror, Sci-Fi
Country: USA
Duration: 80 min
Plot tags: independent film, scary, offbeat, serious, psychotronic, campy
Similar in 84%
Destroy All Monsters (1968)
Plot Summary:
The 9th Godzilla film was the last made by the original Godzilla creators, and was meant to be a grand finale. Aliens have released all the giant monsters from their imprisonment on Monster Island and are using them to destroy earth's major cities. It is up to the daring crew of the super rocket ship X-2 to infiltrate the aliens' headquarters before the Earth monsters and King Ghidrah annihilate the planet.
IMDB Rating: 6.4
IMDB Votes: 7000
Genere: Action, Adventure, Horror, Sci-Fi
Country: Japan
Duration: 89 min
Plot tags: daikaiju, grindhouse, suspense, classic horror, natural horror, scary, exciting, serious, suspenseful, psychotronic
Similar in 85%
Yongary, Monster from the Deep (1967)
Plot Summary:
Earthquakes in central Korea turn out to be the work of Yongary, a prehistoric gasoline-eating reptile that soon goes on a rampage through Seoul.
IMDB Rating: 3.8
IMDB Votes: 2000
Genere: Adventure, Drama, Fantasy, Horror, Sci-Fi
Country: South Korea, Japan
Duration: 80 min
Plot tags: exciting, serious, suspenseful, scary, suspense, grindhouse, classic horror, daikaiju, natural horror, fast
Similar in 86%
Gamera 2: Attack of the Legion (1996)
Plot Summary:
A strange meteor lands in Japan unleashing hundreds of insect-like "legion" creatures which find their way into Tokyo. When the military fails to control the situation, Gamera shows up to deal with the ever-evolving space adversary.
IMDB Rating: 7.0
IMDB Votes: 3000
Genere: Action, Drama, Fantasy, Horror, Sci-Fi
Country: Japan
Duration: 99 min
Plot tags: daikaiju, natural horror, serious, suspenseful, fast, cult film
Similar in 76%
Nightbeast (1982)
Plot Summary:
An alien crash lands and goes on a killing spree.
IMDB Rating: 4.2
IMDB Votes: 2000
Genere: Horror, Sci-Fi
Country: USA
Duration: 80 min
Plot tags: grindhouse, retro, slasher, cult horror, independent film, scary, rough, serious, psychotronic, campy
Similar in 77%
Dark Universe (1993)
Plot Summary:
On its way back to Earth, the space shuttle Nautilus passes through a cloud of alien spores causing its sole occupant, astronaut Steve Thomas to transform into a blood-thirsty monster. The shuttle crashes into a swampy region of central Florida, creating a situation which threatens contagion and/or death to all who encounter the shuttle or its mutated pilot.
IMDB Rating: 3.1
IMDB Votes: 415
Genere: Horror, Sci-Fi
Country: USA
Duration: 83 min
Plot tags: independent film, space horror, scary, exciting, offbeat, suspenseful, semi serious, cult film
Similar in 76%
Moontrap (1988)
Plot Summary:
The Space Shuttle returns to earth, but some of the equipment brought back on it begins to behave strangely. Scientists are unsure what is happening, and decide to take all necessary precautions.
IMDB Rating: 4.8
IMDB Votes: 4000
Genere: Horror, Sci-Fi
Country: USA
Duration: 92 min
Plot tags: space horror, apocalyptic, cult classic, independent film, bleak, serious, suspenseful, surprise ending, cult film
Similar in 79%
Track of the Moon Beast (1976)
Plot Summary:
Professor "Johnny Longbow" Salina, a man who really knows his stews, introduces Paul Carlson to the practical-joking Kathy Nolan. Paul and Kathy seem to hit it off rather well but, during a meteor storm, a meteorite fragment strikes Paul, burying itself deep in his skull, which has the unpleasant side-effect of causing Paul to mutate into a giant reptilian monster at night and go on murderous rampages. It turns out that this sort of thing has happened before, when Professor Salina rediscovers ancient Native American paintings detailing a similar event many centuries ago. Kathy, however, still loves Paul, and tries to save him.
IMDB Rating: 2.3
IMDB Votes: 4000
Genere: Horror, Sci-Fi
Country: USA
Duration: 90 min
Plot tags: exciting, serious, suspenseful, rough, cult classic, natural horror, independent film, scary, offbeat, psychotronic
Similar in 89%
Queen of Blood (1966)
Plot Summary:
A spaceship is sent to Mars after a alien distress signal is picked up. They find one survivor, but when a crew member is found drained of blood it's evident they have rescued a bloodsucking monster.
IMDB Rating: 5.2
IMDB Votes: 2000
Genere: Horror, Sci-Fi
Country: USA
Duration: 78 min
Plot tags: suspenseful, exciting, bleak, serious, space horror, psychotronic, suspense, slasher, grindhouse, classic horror
Similar in 78%
Altered (2006)
Plot Summary:
Fifteen years ago, a group of men's lives were forever changed by a strange occurrence. Now, the same group of men will spend a night together ... in terror.
IMDB Rating: 5.6
IMDB Votes: 11000
Genere: Horror, Sci-Fi, Thriller
Country: USA
Duration: 88 min
Plot tags: scary, suspenseful, exciting, rough, serious, psychological, suspense, disturbing, psychotronic, psychological horror
Similar in 75%
Critters 4 (1992)
Plot Summary:
Just before bounty hunter Charile triggers his gun to destroy the last two Critter-eggs, he gets a message that it would be illegal to extinguish the race from the galaxy. He's sent a transporter where he puts the eggs - unfortunately the transporter takes him with it and then gets lost in space.
IMDB Rating: 4.1
IMDB Votes: 8000
Genere: Horror, Sci-Fi
Country: USA
Duration: 87 min
Plot tags: futuristic, space horror, cult horror, epic, slasher, saga, splatter, horror comedy, classic horror, independent film
Similar in 85%
The Slime People (1963)
Plot Summary:
After Los Angeles is invaded by an army of subterranean monsters a small group of people must fight for survival in the deserted metropolis.
IMDB Rating: 2.8
IMDB Votes: 2000
Genere: Horror, Sci-Fi
Country: USA
Duration: 76 min
Plot tags: serious, scary, tense, suspense, grindhouse, independent film, psychotronic, cult film
Similar in 90%
The Giant Spider Invasion (1975)
Plot Summary:
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 the NASA try to save the world.
IMDB Rating: 3.2
IMDB Votes: 5000
Genere: Horror, Sci-Fi
Country: USA
Duration: 84 min
Plot tags: scary, suspenseful, semi serious, natural horror, captivating, retro, cult classic, offbeat, psychotronic, independent film
Similar in 84%
H.G. Wells' War of the Worlds (2005)
Plot Summary:
In this modern retelling of H.G. Wells' classic sci-fi horror, civilization is laid to ruin when a super race of aliens invades Earth. In a blink of an eye, massive "walkers" cover the planet, annihilating all in their path. As cities crumble and human flesh is ripped from the bone, one man struggles to find the one weapon that will turn the tide for mankind.
IMDB Rating: 3.2
IMDB Votes: 3000
Genere: Horror, Sci-Fi
Country: USA, Japan
Duration: 93 min
Plot tags: intense, serious, suspenseful, mockbuster, suspense, futuristic, perverse, exciting, thought provoking, breathtaking
Similar in 88%
Syngenor: Synthesized Genetic Organism (1990)
Plot Summary:
A scientist engineers a group of genetically engineered cyborgs for use as "super soldiers" to fight U.S. wars in the Middle East. However, things get ugly when the cyborgs malfunction and turn on their creators.
IMDB Rating: 4.3
IMDB Votes: 787
Genere: Horror, Sci-Fi
Country: USA
Duration: 98 min
Plot tags: exciting, rough, serious, suspenseful, futuristic, independent film, scary, stylized, fast, surprise ending
Similar in 89%
Mosquito (1994)
Plot Summary:
An alien starship crashes in a swamp in a U.S. National Park. Some mosquitos begin to feed from the alien's corpses, causing them to grow to the size of a vulture. These mutant insects became very agressive, killing every human being they find. Will the few survivors fight successfully against this nightmare...?.
IMDB Rating: 4.8
IMDB Votes: 3000
Genere: Horror, Sci-Fi
Country: USA
Duration: 92 min
Plot tags: suspenseful, serious, suspense, absurd, funny, natural horror, independent film, bleak, wild, campy
Similar in 88%
Invaders from Mars (1986)
Plot Summary:
In this attempted remake of the classic 50s SF tale, a boy tries to stop an invasion of his town by aliens who take over the the minds of his parents, his least-liked schoolteacher and other townspeople. With the aid of the school nurse the boy enlists the aid of the U.S. Marines.
IMDB Rating: 5.5
IMDB Votes: 10000
Genere: Horror, Sci-Fi
Country: USA
Duration: 100 min
Plot tags: suspenseful, captivating, exciting, tense, scary, slasher, grindhouse, creepy, cult classic, serious
Similar in 87%
Deep Space (1988)
Plot Summary:
Secretly engineered and blasted into space by government scientists, a vile monster crash-lands back on Earth and begins killing everyone it encounters. As the death toll rises, veteran cop McLemore (Charles Napier) bravely steps forward to crush the scary creature. Co-starring Julie Newmar as a powerful psychic, this low-rent horror flick finds the police force continually confounded by the organism's evolving physical features.
IMDB Rating: 4.5
IMDB Votes: 1000
Genere: Horror, Sci-Fi
Country: USA
Duration: 90 min
Plot tags: rough, suspenseful, serious, suspense, psychotronic, lovecraft, independent film, scary, exciting, slasher
Similar in 79%
Creepozoids (1987)
Plot Summary:
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.
IMDB Rating: 4.0
IMDB Votes: 3000
Genere: Horror, Sci-Fi
Country: USA
Duration: 72 min
Plot tags: apocalyptic, retro, grindhouse, independent film, scary, rough, serious, suspenseful, psychotronic, freeze frame
Similar in 88%
Forbidden World (1982)
Plot Summary:
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.
IMDB Rating: 5.1
IMDB Votes: 6000
Genere: Horror, Sci-Fi
Country: USA
Duration: 77 min
Plot tags: suspenseful, serious, space horror, scary, grindhouse, erotic, disturbing, medical horror, cult classic, lovecraft
Similar in 89%
Creature (1985)
Plot Summary:
A crew of scientists arrives on a far, cold planet to examine archaic artifacts of unknown origin. They discover that their German enemies already have a ship there. When they seek their help after a failed landing, they only find the Germans’ bodies, obviously slaughtered by one of the archaic creatures, awoken to new life. Now the alien is after them.
IMDB Rating: 4.4
IMDB Votes: 5000
Genere: Horror, Sci-Fi
Country: USA
Duration: 95 min
Plot tags: space horror, independent film, cult horror, classic horror, scary, serious, suspenseful, psychotronic, spooky, cult film
Similar in 87%
Invasion of Astro-Monster (1965)
Plot Summary:
In the 6th Godzilla movie, mysterious aliens from the Planet X ask earth's people to help them save their world from the dreaded Ghidorah (aka "Monster Zero") by letting them "borrow" Godzilla and Rodan. Monster mayhem ensues on Planet X, but it's soon discovered that the aliens have other intentions for the monsters.
IMDB Rating: 6.2
IMDB Votes: 7000
Genere: Action, Adventure, Sci-Fi
Country: Japan, USA
Duration: 94 min
Plot tags: grindhouse, daikaiju, suspense, classic horror, natural horror, exciting, serious, suspenseful, psychotronic, cult film
Similar in 84%
The Terror Within (1989)
Plot Summary:
Experiments in biological warfare have destroyed all but a few remnants of the human race. Alone in a lab, eight students work feverishly to create a vaccine before they are forced outside in search for food. It is then that the surviving scientists discover creatures mutated by the plague. Now they prepare to do battle against their worst fear: The Terror Within.
IMDB Rating: 4.7
IMDB Votes: 2000
Genere: Horror, Sci-Fi
Country: USA
Duration: 88 min
Plot tags: futuristic, serious, suspenseful, scary, apocalyptic, retro, mystic, cult horror, independent film, exciting
Similar in 84%
Parasite (1982)
Plot Summary:
Paul Dean has created a deadly parasite that is now attached to his stomach. He and his female companion, Patricia Welles, must find a way to destroy it while also trying to avoid Ricus, his rednecks, and an evil government agent named Merchant.
IMDB Rating: 4.0
IMDB Votes: 3000
Genere: Horror, Sci-Fi
Country: USA
Duration: 85 min
Plot tags: scary, suspenseful, rough, serious, suspense, grindhouse, cult classic, futuristic, natural horror, apocalyptic
Similar in 77%
The Deadly Spawn (1983)
Plot Summary:
Two campers in the New Jersey woods have their outdoor fun interrupted by the arrival of a meteorite crashing nearby. They go to investigate the crater, but are suddenly attacked and devoured by alien parasites who have hitched a ride to Earth. After finishing off the campers, the hungry space monsters head for a nearby town, where they make their domain in the basement of an old house soon begin polishing off one hapless inhabitant after another. Four young teenagers, plus one pre-teen boy, try to find a way to stop the angry space monsters before they reproduce and literally eat humanity.
IMDB Rating: 5.9
IMDB Votes: 5000
Genere: Horror, Sci-Fi
Country: USA
Duration: 81 min
Plot tags: retro, slasher, grindhouse, cult horror, classic horror, psychotronic, bloody, horror comedy, perverse, cult classic