A24’s Scariest Horror Movies—These Will Keep You Up All Night (Spoiler Alerts Inside!)

When it comes to modern horror, A24 has emerged as the bold, uncompromising force reshaping the genre. Known for weaving psychological tension with visceral scares, this indie studio consistently delivers films that don’t just frighten—they haunt. If you're ready to face the unknown, dive into A24’s scariest horror movies: the stories that will keep you up all night — with full spoiler alerts inside.

Why A24’s Horror Stands Out

Understanding the Context

A24’s horror films aren’t your typical jump-scare caricatures. Instead, they dive deep into human fear, existential dread, and the fragility of sanity. By blending atmospheric dread with sharp storytelling, these films create immersive nightmares that linger long after the credits roll. And yes — spoilers ahead.


1. Relic (2020) — A Mind-Bending Familial Horror

Relic is less about supernatural monsters and more about the unsettling decay of family bonds. This claustrophobic psychological horror follows Ellie and her mother as they confront a monstrous inversion of evolutionary fear — aging and ruin reimagined as tangible, terrorizing forces. The film thrives on slow-burn unease, disturbing dreamlike imagery, and a cumulative dread of loss that builds to brutal revelation.

Key Insights

Spoiler Alert: Ellie and her mother transform into terrifying, adult versions of themselves while evading ancient, creeping horrors. The film’s final act strips away reason, revealing a horror rooted as much in familial failure as in the unknown.


2. The Inhabitant (2021) — Creeping National Horror

A radical reimagining of horror itself, The Inhabitant plunges into the deep, abiding dread of displacement and inherited terror. Set in a remote coastal town haunted by a mysterious presence, the story unravels a chilling cycle of trauma passed through generations. Einstein-esque intelligence meets existential horror, yet the real scares come not from the supernatural, but from how fear shapes identity and memory.

Spoiler Alert: The lurking entity is not an outside villain—its true danger lies in the psychological and cultural scars embedded in the town and its people. The film’s ending unsettles on the very nature of survival and embodiment.

Final Thoughts


3. Midsommar (2019) — A Chilling Festival of Terror

Technically released by A24’s sister company, Midsommar deserves a spotlight for its masterful slow-burn horror and disturbing mythos. Directed by Ari Aster, this film follows a grieving woman thrust into a pagan festival where joy masks a terrible, communal horror. The eerily colorful setting contrasts with escalating violence and psychological unraveling.

Spoiler Alert: The film builds dread through intimate character moments that shatter into chaos. The finale combines bodily horror with existential dread, leaving viewers reeling from its precise pacing and emotional weight.


4. Midsommar Soundtrack & Atmosphere — Where Fear Meets Sensory Power

Beyond plot, Midsommar’s haunting score and deliberate visual style amplify its scares. From folkish melodies to alien landscapes, every sound and frame contributes to an oppressive, otherworldly tension — making it not just a film, but a full sensory experience.


5. The Black Phone (for a twist, but worth a mention) — Child Trauma and Serial Evil

While technically straddling thriller and horror, The Black Phone offers spine-tingling scares through the lens of childhood helplessness and obsidian danger. When a young boy investigates a series of murders tied to a monstrous figure, the film layers psychological terror with moments of gut-wrenching suspense.