Movies Like Insanophenia

If you liked Insanophenia (2007), a movie directed by Steven Kostanski, 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
Zygote (2017)
★ 7/10
The two remaining crew members of a mining operation in the Arctic Circle fight to survive against an alien creature.
2
Terrifier (2011)
★ 6/10
After witnessing a brutal murder on Halloween night, a young woman becomes the next target of a maniacal entity.
3
Saw III (2006)
★ 6.4/10
Jigsaw has disappeared. Along with his new apprentice Amanda, the puppet-master behind the cruel, intricate games that have terrified a community and baffled police has once again eluded capture and vanished. While…
4
Play Dead (2025)
★ 6.3/10
A woman wakes up injured in a basement surrounded by corpses. To survive, she pretends to be dead while a grotesque ritual unfolds in the house above.
5
Alligator (1980)
★ 6/10
A baby alligator is flushed down a toilet and survives by eating discarded lab animals that have been injected with growth hormones. The now gigantic animal escapes the city sewers and goes on a rampage, pursued by a…
6
Never Let Go (2024)
★ 6.1/10
As an evil takes over the world beyond their front doorstep, the only protection for a mother and her twin sons is their house and their family’s protective bond.
7
The Devil's Rejects (2005)
★ 6.7/10
The murderous, backwoods Firefly family take to the road to escape the vengeful Sheriff Wydell, who is not afraid of being as ruthless as his target.
8
Nightbreed (1990)
★ 6.4/10
A troubled young man is drawn to a mythical place called Midian where a variety of friendly monsters are hiding from humanity. Meanwhile, a sadistic serial killer is looking for a patsy.
9
Dust Bunny (2025)
★ 6.7/10
Ten-year-old Aurora asks her hitman neighbor to kill the monster under her bed that she claims ate her family. To protect her, he must battle an onslaught of assassins while accepting that some monsters are real.
10
28 Years Later: The Bone Temple (2026)
★ 7.1/10
Dr. Kelson finds himself in a shocking new relationship - with consequences that could change the world as they know it - and Spike's encounter with Jimmy Crystal becomes a nightmare he can't escape.
11
Insidious: Out of the Further (2026)
★ 7.7/10
Gemma, a young mother raising her daughter in the house she grew up in, discovers she can travel into The Further, where she possesses an ability to bring what lives there back to the real world.
12
Play Dead (2022)
★ 6.1/10
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…
13
Die Alone (2024)
★ 6.4/10
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…
14
The Voices (2014)
★ 6.3/10
A mentally unhinged factory worker must decide whether to listen to his talking cat and become a killer, or follow his dog's advice to keep striving for normalcy.
15
Ghostland (2018)
★ 7.4/10
A mother of two inherits a home from her aunt. On the first night in the new home she is confronted with murderous intruders and fights for her daughters’ lives. Sixteen years later the daughters reunite at the house…
16
The Strangers (2008)
★ 6.1/10
After a 4 a.m. knock at the door and haunting voices, Kristen McKay and James Hoyt’s remote getaway becomes a psychological night of terror as three masked strangers invade. Now they must go far beyond what they…
17
Grindhouse (2007)
★ 7/10
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…
18
Blood Punch (2014)
★ 6.5/10
Milton, a college dropout, was only supposed to cook meth for one day. Broken out of rehab by a brash young woman and her trigger-happy ("ex") boyfriend and driven to a remote cabin the woods, Milton finds himself…
19
The Strangers: Chapter 3 (2026)
★ 6/10
Tethered by a frightening conclusion, Maya and the Strangers are locked on an unavoidable, unforgiving collision course — a showdown that proves they’re far from strangers now.
20
The Conjuring: The Devil Made Me Do It (2021)
★ 7.3/10
Paranormal investigators Ed and Lorraine Warren encounter what would become one of the most sensational cases from their files. The fight for the soul of a young boy takes them beyond anything they'd ever seen before…