
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

Alien Outbreak
›R2020 · Science Fiction, Horror · 84m · Katherine Drake, Ritchie Crane, Philip Alexander Baker
In a small rural community, local police officers Zoe and Patrick begin their shift as normal but soon, strange events unfold. Residents begin behaving erratically, and suicidal panic spreads amongst the township they are trying to protect. Zoe and Patrick realise alien machines are taking hold, cutting their small group of survivors off from the outside world. Can the determined humans band together to save their community, and all mankind, from extinction?

Bugs
›2003 · Horror, Science Fiction · 82m · Antonio Sabàto Jr., Angie Everhart, R. H. Thompson
A cop on the track of a criminal finds himself in the midst of an unfinished subway tunnel, when his flashlight reveals a startling discovery: a three meter long scorpion-like Bug. With one slice of its massive tail the bug fells the man and devours him. FBI agent Matt Pollack is brought in to investigate, and when forensics reveal the source of the problem, he turns to his friend and entomologist Emily Foster for help.

Flatliners
›PG-132017 · Drama, Horror, Thriller · 111m · Elliot Page, Diego Luna, Nina Dobrev
Five medical students, hoping to understand the mystery of what lies beyond life, embark on a dangerous experiment. When their hearts are stopped for a short period of time, they have a near-death experience…

Choose or Die
›NR2022 · Horror, Thriller, Science Fiction · 85m · Iola Evans, Asa Butterfield, Robert Englund
In pursuit of an unclaimed $125,000 prize, a broke college dropout decides to play an obscure, 1980s survival computer game. But the game curses her, and she’s faced with dangerous choices and reality-warping challenges. After a series of unexpectedly terrifying moments, she realizes she’s no longer playing for the money but for her life.

Hellraiser: Bloodline
›R1996 · Horror, Science Fiction, Thriller · 86m · Bruce Ramsay, Valentina Vargas, Doug Bradley
Three generations of the same family deal with the consequences of unleashing the forces of hell.

Y2K
›R2024 · Science Fiction, Horror, Comedy · 91m · Jaeden Martell, Rachel Zegler, Julian Dennison
Two high school nobodies make the decision to crash the last major celebration before the new millennium on New Year's Eve 1999. The night becomes even crazier than they could have ever dreamed when the clock strikes midnight.

Harbinger Down
›2015 · Horror, Science Fiction · 82m · Lance Henriksen, Matt Winston, Camille Balsamo
A group of grad students have booked passage on the fishing trawler Harbinger to study the effects of global warming on a pod of Orcas in the Bering Sea. When the ship's crew dredges up a recently thawed piece of old Soviet space wreckage, things get downright deadly. It seems that the Russians experimented with tardigrades, tiny resilient animals able to withstand the extremes of space radiation. The creatures survived, but not without mutation. Now the crew is exposed to aggressively mutating organisms. And after being locked in ice for 3 decades, the creatures aren't about to give up the warmth of human companionship.

Squirm
›R1976 · Horror · 92m · Don Scardino, Patricia Pearcy, R.A. Dow
A violent electrical storm topples power lines into the rain soaked earth that is home for an aggressive breed of worms. The high voltage causes the worms to mutate into larger, hostile hordes of man-eating worms that lie in wait for the residents of Fly Creek.

Watchers
›R1988 · Horror, Science Fiction, Thriller · 91m · Corey Haim, Michael Ironside, Barbara Williams
A boy takes in a stray dog, later finding out that it's an ultra-intelligent runaway from a genetic research lab. Unbeknownst to him, the dog is being stalked by another escaped creature that's not quite so friendly.

The Green Slime
›G1968 · Science Fiction, Horror · 90m · Robert Horton, Luciana Paluzzi, Richard Jaeckel
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!

Growth
›NR2010 · Horror, Science Fiction, Thriller · 90m · Mircea Monroe, Christopher Shand, Brian Krause
In 1989, a breakthrough in "advanced parasitic research" on Cuttyhunk Island gave scientists a jump in human evolution. Initial tests proved promising, as subjects experienced heightened physical and mental strength and awareness. But - something in the experiment went horribly wrong, and the island mysteriously lost three quarters of its population.

Remains
›NR2011 · Horror, Science Fiction · 88m · Grant Bowler, Miko Hughes, Lance Reddick
The story centers on two lone survivors of a bizarre accident that reduced most of the world's population to zombies. They take refuge in a vacant casino and fight a losing battle against the undead.

The Plague
›R2006 · Thriller, Horror · 88m · James Van Der Beek, Ivana Miličević, Brad Hunt
Ten years have passed since the world's children fell into a coma. Tonight they're waking up and all hell is breaking loose. An unholy battle between the generations is being waged, and time is not on the side of adults.

Class of Nuke 'Em High 2: Subhumanoid Meltdown
›R1991 · Comedy, Horror, Science Fiction · 95m · Brick Bronsky, Lisa Gaye, Leesa Rowland
At the Tromaville Institute of Technology's nuclear plant, Prof. Holt has perfected "subhumanoids": living beings without emotions who perform menial tasks. When school reporter Roger Smith meets a beautiful subhumanoid named Victoria, they fall in love and he becomes determined to save her and the school from a giant mutant squirrel, Tromie.

Night Shadows
›R1984 · Horror, Science Fiction, Thriller · 99m · Wings Hauser, Bo Hopkins, Jody Medford
When brothers Josh and Mike go to a small southern town for a vacation, they find most of the residents either dead or missing. Mike soon disappears as well, leaving Josh to team up with the local sheriff and school teacher to find him in a town that’s hiding a dark, twisted secret.

Dead Zone
›R2022 · Action, Horror, Science Fiction · 83m · Michael Jai White, Chad Michael Collins, Jeff Fahey
To stop the collapse of humanity, an elite team of soldiers must descend on a radiation-poisoned town and perform the ultimate stealth mission using high-tech armor and weapons.

Indestructible Man
›1956 · Crime, Horror, Science Fiction · 72m · Lon Chaney Jr., Max Showalter, Marian Carr
A scientific experiment involving subjecting a corpse to an extreme charge of electricity accidentally revives an executed criminal and makes him impervious to harm, allowing him to seek revenge on his former partners, and deal similarly with anyone else who gets in his way.

Sea Beast
›2008 · Horror, Science Fiction, TV Movie · 87m · Corin Nemec, Miriam McDonald, Camille Sullivan
In the fishing village of Cedar Bay, terror lies within the water. And now it has surfaced in search of something more substantial to devour than marine life: human flesh. A captain and a sea biologist must wage a terrifying battle against the deadly creatures in order to save mankind from total extinction.

The Loch Ness Horror
›2023 · Horror, Science Fiction · 79m · Becca Hirani, Tara MacGowran, May Kelly
A vanished submarine prompts a rescue operation that leads to the Loch Ness monster. Having escaped the Loch, the creature unleashes decades of pent-up aggression on those it encounters.

They Found Hell
›2015 · Horror, Science Fiction · 90m · Chris Schellenger, Katy Reece, Austin Scott
When a group of gifted college students run a secret teleportation experiment, they accidentally open a portal to another dimension, trapping them in Hell. One by one they are hunted, tortured and killed by the denizens of Hell who are bent on stealing their souls.

Welcome to Willits
›2016 · Horror, Science Fiction · 82m · Bill Sage, Dolph Lundgren, Rory Culkin
Deep in the Northern California woods, in the heart of the notorious Emerald Triangle, lies a remote cabin. The residents struggle to fight off the repeated attacks and abductions by mysterious creatures that have plagued them for years. When a local pot farmer is caught up with a wayward group of campers, the situation quickly escalates into total carnage.

Class of Nuke 'Em High 3: The Good, the Bad and the Subhumanoid
›R1994 · Comedy, Horror, Science Fiction · 102m · Brick Bronsky, Lisa Star, John Tallman
It's the final chapter in the cult classic Class of Nuke'Em High Trilogy, and this time the fate of Tromaville hangs in the balance! Following the destruction of the Nukamama Power Plant by the lovable and horribly mutated toxic squirrel Tromie. Roger Smith (Brick Bronsky) and his half-subhumanoid son Adlai (also played by Brick Bronsky) are working to rebuild Tromaville into a place where human and subhumanoid can live together in peace. Unbeknownst to them, Adlai's twin brother Dick (again played by Brick Bronsky!), kidnapped at birth and raised by the evil Power Clite, has plans to regain contol of the Subhumanoids and turn Tromaville into a nuclear waste dump. In a showdown for the ages, "The Good, the Bad and the Subhumanoid" face off in an explosive sci-fi battle of epic proportions!

Attack of the Meth Gator
›2024 · Horror, Science Fiction, Action · 85m · LaRonn Marzett, Ray Acevedo, Vanessa Tamayo
On a small island in the Florida Everglades, a DEA agent and a local sheriff gather a team of locals to take down a giant meth-fueled alligator.

Spawn of the Slithis
›PG1978 · Horror, Science Fiction · 86m · Alan Blanchard, Judy Motulsky, J.C. Claire
A nuclear leak creates a mutant Slithis sea monster, which terrorizes the variety of pets, winos, and hippies who hang around Venice, California.
