Outlast

Outlast

Year: 2023

Runtime: 81 mins

Language: English

Horror

A team of paranormal investigators ventures into a haunted castle on Halloween, hoping to record evidence of the afterlife. As the night unfolds, the building’s activity far exceeds their expectations. They must rely on their expertise and courage to survive the supernatural assaults, uncover the castle’s grim past, and escape with their lives.

Warning: spoilers below!

Haven’t seen Outlast yet? This summary contains major spoilers. Bookmark the page, watch the movie, and come back for the full breakdown. If you're ready, scroll on and relive the story!

Timeline – Outlast (2023)

Trace every key event in Outlast (2023) with our detailed, chronological timeline. Perfect for unpacking nonlinear stories, spotting hidden connections, and understanding how each scene builds toward the film’s climax. Whether you're revisiting or decoding for the first time, this timeline gives you the full picture.

1

Miles receives anonymous tip and infiltrates Mount Massive

Freelance investigative journalist Miles Upshur receives a mysterious email alleging inhumane experiments at Mount Massive Asylum. He travels to the remote hospital and enters its ruined halls, hoping to uncover the truth behind the rumors. The atmosphere is oppressive as he starts his dangerous investigation.

Mount Massive Asylum
2

Hospital is overrun with inmates and corpses

Miles discovers the facility in chaos: staff lie dead or mutilated, and deranged inmates known as variants roam the grounds. The corridors are ransacked and the environment hints at terrible experiments. The scale of the horror becomes clear as Miles presses deeper.

Mount Massive Asylum - halls and wards
3

Dying officer warns of variants and a locked exit

A dying Murkoff unit officer warns Miles that the variants have escaped and control of the facility is dangerous. He reveals that the main entrance can be unlocked only from the security control room, tying Miles’ escape to a specific location. The warning heightens the urgency of his mission.

Mount Massive Asylum - security control room / exits
4

Ambush by hulking Walker

Miles is suddenly ambushed by Chris Walker, a massive variant who knocks him unconscious. The attack abruptly derails his progress and plunges him into a perilous stretch through the hospital. He fights to survive and continue his investigation.

Mount Massive Asylum - hospital corridors
5

Miles encounters Father Martin Archimbaud

While incapacitated, Miles meets Father Martin Archimbaud, a self-styled priest who claims Miles is his apostle. He sabotages Miles’ escape by cutting power to the entrance and injects him with an anesthetic. He also shows Miles footage of the Walrider, the mysterious entity blamed for the hospital’s ruin.

Mount Massive Asylum - security control areas
6

Miles wakes in a decaying cell block

Miles regains consciousness in a decaying cell block filled with catatonic and demented patients. He must navigate the oppressive space and find a way out, starting a dangerous trek through increasingly claustrophobic sections of the asylum. The environment confirms the depth of the hospital’s corruption.

Mount Massive Asylum - decaying cell block
7

Escape to the sewers with pursuit by Walker and twins

He escapes into the sewers, but is pursued by Walker and two cannibalistic twins. The chase underscores the constant threat from both monstrous mutants and the facility’s hidden terrors. Miles continues moving toward the deeper, darker parts of Mount Massive.

Mount Massive Asylum - sewers
8

Captured by Richard Trager and tortured

Miles is captured by Richard Trager, a disturbed former Murkoff executive. Trager amputates two of Miles’ fingers and threatens further mutilation, showcasing the brutal cruelty within the hospital. Miles endures the torture and seeks an escape from this brutal ordeal.

Mount Massive Asylum - hospital wing
9

Escape into an elevator after a deadly confrontation

Miles retreats to an elevator and, in a fierce struggle, crushes Trager to death between the floors. He uses the elevator to descend further into the facility’s concealed depths, leaving the body behind. The descent ushers him toward the facility’s deeper revelations.

Mount Massive Asylum - elevator shaft
10

Father Martin directs Miles toward the chapel

Miles reunites with Father Martin, who urges him to go to the hospital’s chapel. The priest’s guidance signals a shift from mere survival to confronting the asylum’s ultimate mysteries. Miles follows the path toward the chapel as part of his ongoing quest for the truth.

Mount Massive Asylum - chapel
11

Auditorium reveals Walrider's origin and MKUltra ties

In the auditorium, Miles learns that the Walrider was created by Rudolf Wernicke, a German scientist brought to the United States after Operation Paperclip. Dream therapy and nanites are described as part of a broader attempt to fuse consciousness into a single entity. The scene ties the horrors to MKUltra-era experiments.

Mount Massive Asylum - auditorium
12

Crucified Father Martin and the key to freedom

In the chapel, Miles discovers a crucified Father Martin who hands him a key to the lobby elevator and urges him toward freedom before immolating himself. The priest’s sacrifice embodies the theater of manipulation and ritual at the heart of the asylum. The key becomes crucial for Miles’ next leap toward truth.

Mount Massive Asylum - chapel
13

Miles descends to the subterranean laboratory

Miles uses the lobby elevator to descend into a subterranean laboratory where the full scope of the experiment unfolds. The environment shifts from psychological horror to a tangible, biochemical evidence of the Walrider’s existence. The laboratory represents the literal heart of Mount Massive’s secrets.

Mount Massive Asylum - subterranean laboratory
14

Walrider possesses Miles; final confrontation and downfall

Walker is killed by the Walrider as Miles confronts an aged Rudolf Wernicke, who confirms the Walrider’s nature as a nanite host controlled by Billy Hope. Wernicke orders Miles to terminate Billy’s life support to destroy the Walrider. Miles completes the act, but the entity then possesses him; the PMU arrives and guns him down as the screen fades to black amid screams.

Mount Massive Asylum - subterranean lab / exit

Last Updated: October 01, 2025 at 10:23

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Haunted Structure Survival Horror Movies like Outlast

Characters are trapped in a malevolent building with a violent supernatural past.If you liked the claustrophobic terror of 'Outlast', you'll find similar movies here. These films feature characters trapped in haunted locations like asylums, castles, or hotels, fighting for survival against a building's dark past and active supernatural forces. Expect high tension, jump scares, and a focus on environmental horror.

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Why These Movies?

Movies in this thread share a core theme: horror born from human transgression against nature. They combine the tangible fear of conspiracy and corruption with the existential dread of the supernatural, creating a uniquely bleak and intellectually unsettling type of horror.

Unlock the Full Story of Outlast

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Outlast Summary

Read a complete plot summary of Outlast, including all key story points, character arcs, and turning points. This in-depth recap is ideal for understanding the narrative structure or reviewing what happened in the movie.

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