Movies like Alien 51 (2004)
The best movies like Alien 51 (2004) are Blood and Snow (2023), Splinter (2008) and Alien: Romulus (2024). If Alien 51 hooked you with its science fiction and horror, these 30 similar films are what to watch next, and every pick says why it matches.
Quick picks
- Highest ratedAlien: Romulus (2024)7.2/10 from 5,050 votes
- NewestOsiris (2025)Released 2025
Blood and Snow (2023)
When researchers rescue a fellow scientist who survived a meteorite strike in the Arctic, they discover she may not be who they think she is. Is she some-how changed?
Why it matches: Recommended by TMDB viewers · both science fiction & horror
Popcorn FlickMovies like thisSplinter (2008)
When their plans for a nature trip go awry, Polly and boyfriend Seth decide to check into a motel. On their way, they're carjacked and kidnapped by low-rent crooks Dennis and Lacey, who take the victims and their SUV to a nearby gas station. Along the way, they encounter an increasingly terrifying horde of parasites, and if any of them intend to survive, they'll have to outsmart the deadly organisms.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisAlien: Romulus (2024)
While scavenging the deep ends of a derelict space station, a group of young space colonizers come face to face with the most terrifying life form in the universe.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Worth the HypeMovies like thisOsiris (2025)
Special Forces commandos on a mission are abducted mid-operation by a mysterious spacecraft. Upon waking aboard, they find themselves prey to a relentless alien race in a fight for survival.
Why it matches: Recommended by TMDB viewers · both science fiction & horror
Popcorn FlickMovies like thisDie Alone (2024)
Lost in a world reclaimed by nature and overrun by mysterious creatures, Ethan, a young man with amnesia navigates the dangerous landscape in search of his lost love Emma. His journey takes an unexpected turn when he encounters Mae, a hardened and eccentric survivor. Together, Ethan and Mae face threats both human and otherwise before a fateful encounter with Kai unravels a secret that lies just beyond Ethan's fractured memory.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisAlien: Covenant (2017)
The crew of the colony ship Covenant, bound for a remote planet on the far side of the galaxy, discovers what they think is an uncharted paradise but is actually a dark, dangerous world.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisDark Light (2019)
A woman returns to her family home and discovers it to be inhabited by monsters.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisExtinction (2015)
And suddenly, overnight, the world came to a halt. Two men, two survivors, one kid, and hatred that separates them. A place forgotten by everyone, including the creatures that inhabit the Earth... until now.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisPrometheus (2012)
A team of explorers discover a clue to the origins of mankind on Earth, leading them on a journey to the darkest corners of the universe. There, they must fight a terrifying battle to save the future of the human race.
Why it matches: Recommended by TMDB viewers · both science fiction & horror
Popcorn FlickMovies like thisV/H/S/Beyond (2024)
The infinite playground of forbidden worlds and dangerous lifeforms offered by the sci-fi horror genre will lead to the biggest, maddest, bloodiest V/H/S ever.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisMorgan (2016)
A corporate risk-management consultant must determine whether or not to terminate an artificial being's life that was made in a laboratory environment.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
SnoozefestMovies like thisMargaux (2022)
As a group of seniors celebrate their final college days at a smart house, the house's highly advanced AI system, Margaux, begins to take on a deadly presence of her own. A carefree weekend of partying turns into a dystopian nightmare as they realize Margaux's plans to eliminate her tenants one way or another. Time begins to run out as the group desperately tries to survive and outsmart the smart home.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
SnoozefestMovies like thisThe Resurrected (1991)
Charles Dexter Ward, a wealthy scientist, uses an ancient diary and human remains to begin a terrifying and bloody pursuit for immortality.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisMonster Hunters (2020)
When an alien prison ship crash lands and unleashes creature after creature in the California desert, they make quick work of the army that tries to stop them. Now, the only hope of stopping the aliens rests with a secret branch of the government specializing in alien weaponry. But with the team untested in actual combat, the battle for Earth will be brutal.
Why it matches: Recommended by TMDB viewers · both science fiction & horror
Popcorn FlickMovies like thisBooks of Blood (2020)
A journey into uncharted and forbidden territory through three tales tangled in space and time.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisOccupation: Rainfall (2020)
Two years into an intergalactic invasion of Earth, survivors in Sydney, Australia, fight back in a desperate ground war. As casualties mount by the day, the resistance and their unexpected allies, uncover a plot that could see the war come to a decisive end. With the Alien invaders hell-bent on making earth their new home, the race is on to save mankind.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisPredator 2 (1990)
A police chief in the war-torn streets of Los Angeles discovers that an extraterrestrial creature is hunting down residents - and that he is the next target.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisMonsters of Man (2020)
A robotics company vying to win a lucrative military contract team up with a corrupt CIA agent to conduct an illegal live field test. They deploy four weaponized prototype robots into a suspected drug manufacturing camp in the Golden Triangle, assuming they'd be killing drug runners that no one would miss. Six doctors on a humanitarian mission witness the brutal slaughter and become prime targets.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisPredators (2010)
A group of cold-blooded killers find themselves trapped on an alien planet to be hunted by extraterrestrial Predators.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisSpectral (2016)
A special-ops team is dispatched to fight supernatural beings that have taken over a European city.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisLifeforce (1985)
A race of space vampires arrives in London and infects the populace, commencing an apocalyptic descent into chaos.
Why it matches: Similar story and style · both horror & science fiction
Popcorn FlickMovies like thisVillage of the Damned (1995)
An American village is visited by some unknown life form which leaves the women of the village pregnant. Nine months later, the babies are born, and they all look normal, but it doesn't take the "parents" long to realize that the kids are not human or humane.
Why it matches: Similar story and style · both horror & science fiction
Popcorn FlickMovies like thisArachnid (2001)
Mercer's brother, an amateur pilot, crashes on an island and is killed by a giant spider. A year later, when Mercer goes in search of him, she discovers a breed of venomous arachnids ready to attack.
Why it matches: Similar story and style · both horror & science fiction
SnoozefestMovies like thisCritters 4 (1992)
A super strain of genetically engineered mutants are designed to take over the universe, hungry to conquer the galaxy, with an appetite for mankind.
Why it matches: Similar story and style · both horror & science fiction
SnoozefestMovies like thisCritters 3 (1991)
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.
Why it matches: Similar story and style · both horror & science fiction
SnoozefestMovies like thisAliens vs. Titanic (2017)
Offering only the finest amenities, the ‘TITAN 1C’ space-cruiser is considered the most luxurious star-liner ever built. Future spring-breakers on board are excited to be touring through space with some of the world’s elite. However, a sudden meteor storm smashes into the hull, and a deadly biological alien life form is let loose on the ship. Seeking a suitable host, the retrovirus successfully merges with some the passengers, transforming them into seemingly invincible predators with the “touch of death”. As the ship is destroyed, the surviving passengers crash on a remote planet, and they learn that one of them is “infected”. They must quickly band together before it has a chance to slaughter them all.
Why it matches: Similar story and style · both science fiction & horror
Here On Earth (2018)
Every morning at school, when girls and boys stand in their lines, Sam, an alien boy, is confronted with his situation: he doesn't fit into this society where everything has to be classified. However, thanks to a teacher he will find his place in the world.
Why it matches: Similar story and style · both science fiction
Dark Web: Unsearchable Horror Darkness Videos (2019)
A dark world that cannot be searched with a browser - that is the "dark web". The Internet that has become indispensable in modern society. However, did you know that there is a dark world that ordinary people cannot search or view? In this work, we will monitor the "dark web" and gather information, and deliver the "dark web" that cannot be seen by the world to the viewers.
Why it matches: Similar story and style · both horror
Godzilla vs. Gigan Rex (2022)
When army of Gigans tries to invade and destroy the Earth, the only one who can stop them is Godzilla.
Why it matches: Similar story and style · both science fiction
The Substitute (2007)
6th Grade gets a new substitute teacher. She wants to train the class for an international competition in Paris. But something isn't right. How is she able read kids' minds? Why is she so mean? And how does she manage to convince everyone's parents she is so great when the whole class knows she is really an alien?
Why it matches: Similar story and style · both horror
SnoozefestMovies like this
Like Alien 51 and something else?
Blend two favourites and we’ll find the films in between.
Frequently asked questions
What are the best movies like Alien 51?
The closest matches to Alien 51 are Blood and Snow (2023), Splinter (2008) and Alien: Romulus (2024). Below are 27 more, each with the reason it matches.
What should I watch after Alien 51?
Start with Blood and Snow (2023), the closest match to Alien 51.
What is the highest-rated movie like Alien 51?
Alien: Romulus (2024), rated 7.2/10 by 5,050 TMDB users.
What is the newest movie like Alien 51?
Osiris (2025) is the most recent release on this list.
Are there English movies like Alien 51?
Yes: Blood and Snow (2023), Splinter (2008) and Alien: Romulus (2024).
How are movies similar to Alien 51 chosen?
First come films that Trakt’s viewers watch alongside Alien 51, then TMDB’s recommendations and films it rates as similar in story and genre. Each pick says which signal put it there.