
Sub-genre
Sci-Fi Horror
🛸 Every sci-fi horror title worth your dread, gathered and ranked by the Crypt Score — our audience-first blend of IMDb, Rotten Tomatoes, Metacritic, and viewer reviews.
1342 titles

The Forbidden Dimensions
›2013 · Horror, Science Fiction, Thriller · 86m · Brittany O'Neil, Kyle Morris, Al Ridenour
Jack Slade was born during a solar eclipse in the year 1980. 18 years later, he finds out he has the ability to travel into the future. He projects himself into the year 2035, where society has been destroyed by a fascist regiment of psychopathic doctors that rule the wastelands, creating deformed mutants with a serum synthesized from the flesh of dead aliens. Now Slade must travel back to the year 1998 to destroy a device known as the wavelength generator, which opened the dimensional gateways to these alien beings. With the help of an army of female outlaws and a sleazy detective, Slade re-connects with the star child Khadijah, who holds the key to stopping these tragic events from ever taking place.

Plaguers
›2010 · Horror, Science Fiction · 86m · Steve Railsback, Alexis Zibolis, Bobby James
When an alien contagion is released aboard a spaceship transforming its victims into demonic flesh-eaters, the crew must either destroy the infected or join them.

The Unearthly
›NR1957 · Science Fiction, Horror · 73m · John Carradine, Myron Healey, Allison Hayes
A mad doctor uses patients at his isolated psychiatric institute as subjects in his attempts to create longevity by surgically installing an artificial gland in their skulls.

Leeches!
›R2003 · Horror, Thriller · 85m · Matthew Twining, Josh Henderson, Stacey Nelson
When a crop of doped-up athletes from the Lakecrest College swim team dive into the campus lake to blow off some steam, the bloodsucking leeches below the surface undergo a stunning transformation. After ingesting small amounts of the swimmers' steroid-laced blood, the slimy creatures grow to unusual sizes and set out to sink their teeth into an unsuspecting student population.

Species III
›R2005 · Science Fiction, Action, Horror · 111m · Robin Dunne, Robert Knepper, Sunny Mabrey
After she delivers her child in an ambulance, alien Eve is killed by a half-breed. Fortunately, Dr. Abbot scoops up the baby alien and escapes. In time, the baby grows into a gorgeous blonde named Sara and begins her quest to find a worthy mate. But Sara is also savage and leaves a trail of deaths in her wake. This carnage makes chemistry student Dean question whether to help her race or not.

Critters 3
›PG-131991 · Comedy, Horror, Science Fiction · 86m · Aimee Brooks, John Calvin, Katherine Cortez
As fanged, furious furballs viciously invade an L.A. apartment building and sink their teeth into the low-rent tenants, Josh leads the battle to beat back the conniving critters and save the planet.

Sharknado 5: Global Swarming
›2017 · Action, Comedy, Horror · 89m · Ian Ziering, Tara Reid, Cassie Scerbo
Fin and his wife April travel around the world to save their young son who's trapped inside a sharknado.

The Flood
›R2023 · Action, Mystery, Thriller · 93m · Casper Van Dien, Nicky Whelan, Louis Mandylor
A horde of giant hungry alligators is unleashed on a group of in-transit prisoners and their guards after a massive hurricane floods Louisiana.

Bats
›PG-131999 · Horror, Thriller, Science Fiction · 91m · Lou Diamond Phillips, Dina Meyer, Bob Gunton
Genetically mutated bats escape and it's up to a bat expert and the local sheriff to stop them.

The Devil's Tomb
›R2009 · Action, Horror, Thriller · 90m · Cuba Gooding Jr., Ray Winstone, Ron Perlman
Captain Mack leads an elite military unit on a search for a missing scientist, and comes face-to-face with an an ancient evil lying beneath the Middle Eastern desert. Evil that is not of this world. Evil that should never be unearthed.

Zoombies
›2016 · Science Fiction, Action, Horror · 90m · Ione Butler, Andrew Asper, Aaron Groben
When a strange virus quickly spreads through a safari park and turns all the zoo animals undead, those left in the park must stop the creatures before they escape and zombify the whole city.

Lake Placid: Legacy
›R2018 · Horror, Action, Science Fiction · 93m · Katherine Barrell, Tim Rozon, Luke Newton
A group of young explorers discover a secret area hidden from all maps and GPS devices. When they reach the center of the lake, they discover an abandoned facility that houses one of the largest, and deadliest apex-predators known to man.

Ice Sharks
›2016 · TV Movie, Adventure, Action · 85m · Edward DeRuiter, Jenna Parker, Kaiwi Lyman
A new breed of aggressive, ravenous sharks cracks the frozen ocean floor of an Arctic research station, devouring all who fall through. As the station sinks into frigid waters, those alive must fashion makeshift weapons or suffer the same fate.

Night of the Lepus
›PG1972 · Horror, Science Fiction · 88m · Stuart Whitman, Janet Leigh, Rory Calhoun
Rancher Cole Hillman is fed up of rabbits plaguing his fields. Zoologist Roy Bennett conducts an experiment to curb their population, but it gives rise to giant rabbits that terrorise the town.

51
›R2011 · Science Fiction, Horror · 87m · Rachel Miner, Jason London, Bruce Boxleitner
Due to political pressure from the American public, the Air Force has decided to allow two well-known reporters limited access to the most secretive base on the planet. But when one of the base’s “long-term visitors” exploits this unprecedented visit as a chance to liberate himself and his fellow alien captives, Area 51 turns from a secure government base to a horrifying destination of terror.

The Incredible Melting Man
›R1977 · Horror, Science Fiction · 84m · Alex Rebar, Burr DeBenning, Myron Healey
An astronaut exposed to cosmic rays outside of Saturn's rings returns to Earth and begins to melt away. Escaping from the hospital, he wanders around the backwoods looking for human flesh to eat.

Tape 407
›PG-132012 · Horror, Science Fiction, Thriller · 90m · Abigail Schrader, Samantha Lester, James Lyons
Survivors of an airplane crash find themselves within the borders of a government testing area and pursued by predators.

Intersect
›2020 · Horror, Science Fiction, Thriller · 119m · Jason Spisak, Richard Dawkins, Abe Ruthless
A group of young Miskatonic University scientists invent a time machine, only to learn that they are being manipulated by mysterious, unseen forces from another dimension.

It's Alive
›R2009 · Horror, Science Fiction · 82m · Bijou Phillips, James Murray, Raphaël Coleman
When Lenore Harker learns that she's pregnant, she leaves graduate school to set up a home with her boyfriend Frank in the country. The happy new family's lives takes a gruesome turn when animals and people end up brutally dead – all with a mysterious connection to their newborn.

Teenage Caveman
›2002 · Comedy, Horror, Science Fiction · 90m · Andrew Keegan, Tara Subkoff, Tiffany Limos
In a post-apocalyptic future mankind is lives in a prehistoric manner. After killing his father for sexually assaulting his girlfriend, the son of a tribal leader runs away with a group of his teenage friends. They are taken in by Neil and Judith who introduce them to the vices outlawed by their tribes namely sex and drugs.Neil and Judith, however, are genetically altered indestructible mutants who have their own plans for the future of the human race.

Portals
›2019 · Horror, Science Fiction · 85m · Deanna Russo, Neil Hopkins, Michele Weaver
A series of worldwide blackouts cause millions of mysterious cosmic anomalies to appear everywhere across the planet. Some people are drawn into them with horrifying consequences.

Raging Sharks
›2005 · Horror, Science Fiction · 92m · Corin Nemec, Vanessa Angel, Corbin Bernsen
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.

Raptor
›R2001 · Horror, Thriller · 82m · Eric Roberts, Corbin Bernsen, Melissa Brasselle
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.

Trog
›1970 · Horror, Science Fiction · 91m · Joan Crawford, Michael Gough, Bernard Kay
Anthropologist Dr Brockton unearths a primitive troglodyte — an Ice Age 'missing link': half-caveman, half-ape — in a local cave. Through experimentation, she manages to communicate with and domesticate him before he's released by an irate land developer and goes on a rampage, terrorising the local citizenry.
