Movies Like Alien Swamp Beast

If you liked Alien Swamp Beast (2018), a horror and science fiction movie directed by Robert Elkins, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
The Last House (2026)
★ 6.8/10Also horror and science fiction
A family suddenly sealed inside their home must work together to survive against dwindling resources and the ominous threat keeping them trapped.
2
Splinter (2008)
★ 6.2/10Also horror and science fiction
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…
3
Zygote (2017)
★ 7/10Also horror and science fiction
The two remaining crew members of a mining operation in the Arctic Circle fight to survive against an alien creature.
4
Creature from the Black Lagoon (1954)
★ 6.8/10Also horror and science fiction
When scientists exploring the Amazon River stumble on a “missing link” connecting humans and fish, they plan to capture it for later study. But the Creature has plans of his own, and has set his sights on the lead…
5
Alien: Romulus (2024)
★ 7.2/10Also horror and science fiction
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.
6
Die Alone (2024)
★ 6.4/10Also horror and science fiction
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…
7
Extinction (2015)
★ 6.4/10Also horror and science fiction
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.
8
Arcadian (2024)
★ 6/10Also horror and science fiction
In the near future, on a decimated Earth, Paul and his twin sons face terror at night when ferocious creatures awaken. When Paul is nearly killed, the boys come up with a plan for survival, using everything their…
9
Nightmares (1983)
★ 5.9/10Also horror and science fiction
A collection of short stories. In one a woman who leaves her house late at night to drive to the store while a killer is loose encounters some problems. In the second an arcade whiz kid's obsession with a game leads to…
10
Primitive War (2025)
★ 6.5/10Also horror and science fiction
During the Vietnam War, a recon unit ventures to an isolated jungle valley to uncover the fate of a missing platoon. They soon find themselves in a fight for their lives against an unexpected enemy — prehistoric…
11
Underwater (2020)
★ 6.3/10Also horror and science fiction
After an earthquake destroys their underwater station, six researchers must navigate two miles along the dangerous, unknown depths of the ocean floor to make it to safety in a race against time.
12
The Blob (1958)
★ 6.2/10Also horror and science fiction
A drive-in favorite, this sci-fi classic follows teenagers Steve and his best girl, Jane, as they try to protect their hometown from a gelatinous alien life form that engulfs everything it touches. The first to…
13
Clayface (2026)
★ 7.4/10Also horror and science fiction
Matt Hagen's meteoric rise from Gotham street kid to Hollywood leading man is tragically cut short when a local crime boss's actions leave him horribly disfigured. Abandoned by his team and with nothing left, Matt…
14
The Bay (2012)
★ 5.8/10Also horror and science fiction
Chaos breaks out in a small Maryland town after an ecological disaster occurs.
15
Outlander (2008)
★ 6.5/10Also science fiction
During the reign of the Vikings, a man from another world crash-lands on Earth, bringing with him an alien predator. The man must fuse his advanced technology with the weaponry of the vikings to fight the monster.
16
Tremors: A Cold Day in Hell (2018)
★ 5.8/10Also science fiction
Burt Gummer and Travis Welker find themselves in a fight for survival after investigating deadly giant worm attacks in the Canadian arctic.
17
Frankenstein Unbound (1990)
★ 5.9/10Also horror and science fiction
The ultimate weapon, claimed to be safe for mankind, produces global side-effects including time slides and disappearances. The scientist behind the project and his car are zapped from the year 2031 to 1817 in…
18
Blood and Snow (2023)
★ 6.2/10Also science fiction and horror
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?
19
The Blob (1988)
★ 6.9/10Also horror and science fiction
In Arborville, California, three high school students try to protect their hometown from a gelatinous alien life form that engulfs everything it touches.
20
65 (2023)
★ 5.9/10Also science fiction
65 million years ago, the only 2 survivors of a spaceship from Somaris that crash-landed on Earth, must fend off dinosaurs to reach the escape vessel in time before an imminent asteroid strike threatens to destroy the…