Movies Like 99.9: The Frequency of Terror

If you liked 99.9: The Frequency of Terror (1997), a horror and mystery movie directed by Agustí Villaronga, 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 House of Snails (2021)
★ 5.9/10Also thriller and horror
A writer secludes himself in the mountains and falls in lust with local Berta. After realizing the oddities of the rural community the author starts to question the lines between reality and fiction.
2
Nocebo (2022)
★ 6/10Also mystery and thriller
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…
3
Stonehearst Asylum (2014)
★ 6.9/10Also thriller and mystery
An Oxford Medical School graduate takes a position at a mental institution and soon becomes obsessed with a female mental patient, but he has no idea of a recent and horrifying staffing change.
4
Awake (2007)
★ 6.6/10Also thriller and mystery
While undergoing heart surgery, a man experiences a phenomenon called ‘anesthetic awareness’, which leaves him awake but paralyzed throughout the operation. As various obstacles present themselves, his wife must make…
5
Night of the Hunted (2023)
★ 6.1/10Also horror and mystery
When an unsuspecting woman stops at a remote gas station in the dead of night, she's made the plaything of a sociopath sniper with a secret vendetta. To survive, she must not only dodge his bullets and fight for her…
6
Obsession (2026)
★ 8.2/10Also horror and thriller
After breaking the mysterious "One Wish Willow" to win his crush's heart, a hopeless romantic finds himself getting exactly what he asked for but soon discovers that some desires come at a dark, sinister price.
7
Body Cam (2020)
★ 6.2/10Also horror and thriller
As a police officer investigates the gruesome murder of her colleague, she discovers that a mysterious supernatural force is behind it.
8
Locked (2025)
★ 6.2/10Also horror and thriller
When Eddie breaks into a luxury SUV, he steps into a deadly trap set by William, a self-proclaimed vigilante delivering his own brand of twisted justice. With no means of escape, Eddie must fight to survive in a ride…
9
Black Rainbow (1989)
★ 5.9/10Also mystery and thriller
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…
10
Like Minds (2006)
★ 6.4/10Also thriller and mystery
A forensic psychologist must determine if a minor should be charged with murder.
11
Watcher (2022)
★ 6.5/10Also horror and mystery
As a serial killer stalks the city, Julia — a young actress who just moved to town with her husband — notices a mysterious stranger watching her from across the street.
12
The Chalk Line (2022)
★ 6.4/10Also horror and mystery
After a couple finds a traumatized child of unknown origins, wife Paula must decipher the girl's strange behaviors to unlock her identity and dark past.
13
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…
14
You'll Never Find Me (2024)
★ 6.1/10Also horror and thriller
Patrick, a strange and lonely resident, lives in a mobile home at the back of an isolated caravan park. After a violent thunderstorm erupts, a mysterious young woman appears at his door, seeking shelter from the…
15
Offering to the Storm (2020)
★ 6.5/10Also thriller and mystery
Inspector Amaia Salazar confronts the origins of her nightmares as she unfolds the darkest secrets of the Baztan valley. Part 3 in the Baztan Trilogy.
16
Goodnight Mommy (2022)
★ 6.3/10Also horror and thriller
When twin brothers arrive home to find their mother’s demeanor altered and face covered in surgical bandages, they begin to suspect the woman beneath the gauze might not be their mother.
17
Frank and Penelope (2022)
★ 7.3/10Also thriller and horror
A tale of love and violence when a man on his emotional last legs finds a savior seductively dancing in a run-down strip club. And a life most certainly headed off a cliff suddenly becomes redirected - as everything is…
18
All the Devils Are Here (2025)
★ 6.2/10Also mystery and thriller
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.
19
Mexican Psycho (2026)
★ 7.2/10Also thriller and horror
Follows an "ultra-violent and intelligent" psychopath who challenges the police by leaving a white paper rabbit at each crime scene, connecting them all.
20
Dressed to Kill (1980)
★ 6.9/10Also thriller and mystery
After witnessing a mysterious woman brutally slay a homemaker, prostitute Liz Blake finds herself trapped in a dangerous situation. While the police thinks she is the murderer, the real killer is intent on silencing…