Movies Like Room 731

If you liked Room 731 (2015), a horror and mystery movie directed by Youngmin Kim, 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 Inhabitant (2022)
★ 5.9/10Also horror and mystery
Like any other teenage girl, Tara is just surviving high school — yet her father and mother seem strangely distant. Amidst a nearby spree of gruesome ax murders, Tara has sightings of terrifying entities, forcing her…
2
The Jester (2016)
★ 7.4/10Also mystery and horror
The Jester is the titular main antagonist of the horror/thriller analogy short films of the same name. He is an enigmatic and malevolent being who enjoys inducing suffering to individuals he comes across who don't…
3
Come Play (2020)
★ 6.4/10Also horror and mystery
Oliver, a lonely autistic boy, seeks solace and refuge in his ever-present cell phone and tablet. When a mysterious creature uses the boy's devices against him, his parents must fight to save their son from the monster…
4
The Dogs (2025)
★ 6.4/10Also horror and mystery
After fleeing his psychotic father, a young teen and his mom seek refuge in a remote farmhouse, only to face a pack of ferocious dogs and the sinister spirits that haunt the property.
5
They Reach (2020)
★ 6.8/10Also horror
In 1979, a young girl stumbles upon a possessed tape player. She unknowingly unleashes a demonic entity that haunts her family while slowly dragging the small town of Clarkston to Hell.
6
Until Dawn (2025)
★ 6.2/10Also horror and mystery
One year after her sister Melanie mysteriously disappeared, Clover and her friends head into the remote valley where she vanished in search of answers. Exploring an abandoned visitor center, they find themselves…
7
Nocebo (2022)
★ 6/10Also mystery and horror
A fashion designer suffers from a mysterious illness that puzzles her doctors and frustrates her husband until help arrives in the form of a Filipino caregiver who uses traditional folk healing to reveal a horrifying…
8
Last Shift (2014)
★ 6.3/10Also horror and mystery
Rookie police officer Jessica Loren has been assigned the last shift at a closing police station and must wait for a hazmat crew to collect biomedical evidence. Ordered not to leave the station under any circumstances…
9
Home Sweet Home: Rebirth (2025)
★ 5.9/10Also horror and mystery
When a city is overrun with a demonically-possessed crowd, a cop must find the source of evil to save his family.
10
Mercy Black (2019)
★ 6/10Also horror and mystery
A woman is sent to a mental institution after stabbing her classmate in an attempt to conjure an evil spirit called, Mercy Black. Fifteen years later she's released, and must save her nephew, who has become obsessed…
11
Psycho Killer (2026)
★ 6.7/10Also horror and mystery
Following the brutal murder of her husband, a Kansas highway patrol officer sets out on a journey to track down the perpetrator. As the hunt progresses, she comes to realize the man responsible is a sadistic serial…
12
The Woman in Black (1989)
★ 6.9/10Also horror and mystery
A lawyer travels to a small seaside town to settle the estate of a recently deceased woman, but soon becomes ensnared in something much more sinister.
13
Silent Hill (2006)
★ 6.6/10Also horror and mystery
Rose, a desperate mother, takes her adopted daughter, Sharon, to the town of Silent Hill in an attempt to cure her of her ailment. After a violent car crash, Sharon disappears, and Rose embarks on a horrific journey to…
14
God Is a Bullet (2023)
★ 6.3/10Also horror
Vice detective Bob Hightower finds his ex-wife murdered and daughter kidnapped by a cult. Frustrated by the botched official investigations, he quits the force and infiltrates the cult to hunt down the leader with the…
15
The Cellar (2022)
★ 6.4/10Also horror and mystery
When Keira Woods' daughter mysteriously vanishes in the cellar of their new house in the country, she soon discovers there is an ancient and powerful entity controlling their home that she will have to face or risk…
16
Race with the Devil (1975)
★ 6.4/10Also horror
Two couples vacationing together in an R.V. from Texas to Colorado are terrorized after they witness a murder during a Satanic ritual.
17
All the Devils Are Here (2025)
★ 6.2/10Also mystery
After a heist, four criminals lay low in a remote safehouse, waiting for orders. As paranoia builds, one thing becomes clear — the real threat may not be outside, but among them.
18
Play Dead (2022)
★ 6.1/10Also horror
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…
19
Abandoned (2022)
★ 5.8/10Also horror and mystery
After a young couple moves into a remote farmhouse with their infant son, the woman's struggles with postpartum psychosis begin to intensify... as the house reveals secrets of its own.
20
Nancy Drew and the Hidden Staircase (2019)
★ 6.3/10Also mystery
Nancy Drew, a smart high schooler with a penchant for keen observation and deduction, stumbles upon the haunting of a local home. A bit of an outsider struggling to fit into her new surroundings, Nancy and her pals set…