Movies Like Algal Doom

If you liked Algal Doom (2026), a thriller and horror movie directed by Robert Jurant, 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
Curve (2016)
★ 6.9/10Also thriller and horror
Clinging to a smooth, curved surface high above a sentient abyss, a woman tries to cover the few feet back to safety without losing purchase and falling to her death.
2
The Signal (2007)
★ 5.9/10Also horror and thriller
A horror film told in three parts, from three perspectives, in which a mysterious transmission that turns people into killers invades every cell phone, radio, and television.
3
Deep Water (2026)
★ 7.4/10Also horror and thriller
A group of international passengers on a flight from Los Angeles to Shanghai is forced to make an emergency landing in shark-infested waters. The terrified group is forced to work together and overcome their…
4
Blackwood (2014)
★ 5.9/10Also thriller and horror
Having recovered from a shattering emotional breakdown, college professor Ben Marshall relocates to the countryside with his wife and young son, hoping for a fresh start. He has a teaching job lined up and a new home…
5
The Hunt (2020)
★ 6.7/10Also thriller and horror
Twelve strangers wake up in a clearing. They don't know where they are—or how they got there. In the shadow of a dark internet conspiracy theory, ruthless elitists gather at a remote location to hunt humans for sport…
6
Race with the Devil (1975)
★ 6.4/10Also horror and thriller
Two couples vacationing together in an R.V. from Texas to Colorado are terrorized after they witness a murder during a Satanic ritual.
7
Dead Sea (2024)
★ 6.4/10Also horror and thriller
Stranded in the open sea after a fatal accident, a young woman and her two friends are rescued by a fishing vessel's captain, unaware that the ship harbors a chilling secret.
8
A Quiet Place Part II (2021)
★ 7.4/10Also thriller and horror
Following the events at home, the Abbott family now face the terrors of the outside world. Forced to venture into the unknown, they realize that the creatures that hunt by sound are not the only threats that lurk…
9
Die Alone (2024)
★ 6.4/10Also horror and thriller
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…
10
Play Dead (2022)
★ 6.1/10Also horror and thriller
Criminology student Chloe fakes her own death to break into a morgue, in order to retrieve a piece of evidence that ties her younger brother to a crime gone wrong. Once inside, she discovers that a sadistic coroner is…
11
Hungry (2026)
★ 6.8/10Also horror and thriller
A group of holidaymakers must fight for their lives against a rampaging hippo on the loose after becoming lost in the Louisiana swamplands.
12
Black Rainbow (1989)
★ 5.9/10Also thriller and horror
Martha Travis is a medium who makes contact with spirits "on the other side" and connects them with their loved ones still alive, in public performances. Trouble begins when she gives a message to Mary Kuron from her…
13
Wolf Creek (2005)
★ 6.2/10Also horror and thriller
Three backpackers stranded in the Australian outback are plunged inside a hellish nightmare of insufferable torture by a sadistic psychopathic local.
14
The Blob (1988)
★ 6.9/10Also horror and thriller
In Arborville, California, three high school students try to protect their hometown from a gelatinous alien life form that engulfs everything it touches.
15
Grindhouse (2007)
★ 7/10Also thriller and horror
Grindhouse combines Robert Rodriguez's Planet Terror, a horror comedy about a group of survivors who battle zombie-like creatures, and Quentin Tarantino's Death Proof, an action thriller about a murderous stuntman who…
16
Succubus (2024)
★ 8.3/10Also horror and thriller
A new father going through a marital separation joins a dating app and matches with a beautiful but mysterious young woman... whose powers of seduction and manipulation entangle him in a mystery more horrifying than he…
17
Old (2021)
★ 6.3/10Also thriller and horror
A group of families on a tropical holiday discover that the secluded beach where they are staying is somehow causing them to age rapidly – reducing their entire lives into a single day.
18
The Devil's Mouth (2026)
★ 6.5/10Also horror and thriller
A group of college friends' Thailand adventure turns deadly when they become trapped in submerged caves with a dangerous predator. As oxygen runs low, past conflicts emerge in their desperate fight for survival.
19
Monstrous (2022)
★ 5.9/10Also horror and thriller
Laura, traumatized by an abusive relationship, runs away from her former husband with her seven-year-old son Cody. But in their new, idyllic and remote sanctuary, they find they have another, bigger and more terrifying…
20
The Hit List (2011)
★ 6/10Also thriller
A disgruntled man creates a hit list with a stranger during a drunken night out and must then race to try to save those he marked for extermination as the bodies begin to pile up and all fingers point to him.