Guinea Pig: Devil's Experiment(1985)
1985 · Satoru Ogura · 43 min
Masked thugs torture an innocent woman in increasingly brutal ways.
Horror
4.8166 votes
TMDB score
5/5
Intensity
5/5
Gore
4/5
Stays with you
How Guinea Pig: Devil's Experiment scares
Guinea Pig: Devil's Experiment isn't really a story with characters or scares in the traditional sense — it's presented like leaked footage of real torture, stretched out in long, static, repetitive scenes meant to feel like a snuff tape. There's no build-up, no music cues, no jump scares, just a slow, clinical grind of suffering that goes on far longer than feels comfortable. The threat is entirely human and mundane, which is part of what makes it so unpleasant, and the blood and injury shown on screen are extreme and sustained. This is not fun or thrilling in any way; it's an endurance test made for people curious about its reputation as one of the most upsetting things ever put on film, not for anyone looking for entertainment.
On The Horror Database's 0–5 scare profile, Guinea Pig: Devil's Experiment rates psychological 2/5, visceral 5/5, gore 5/5, lingering effect 4/5, and overall intensity 5/5.
- Psychological: 2 of 5
- Visceral: 5 of 5
- Gore: 5 of 5
- Lingering: 4 of 5
- Intensity: 5 of 5
Slow burn vs Jump scares: 10 of 100 — leans Slow burn
Supernatural vs Real-world: 95 of 100 — leans Real-world
Fun-scary vs Disturbing: 95 of 100 — leans Disturbing
Intensity over runtime
Shape only — no eventsReveal pacing shapeHide pacing shapeHidden by default — shows where the tension peaks and lets up.
An unrelenting, escalating ordeal with almost no breathing room from start to finish.
Intensity across the runtime, 0 to 100: 2, 3, 3, 4, 4, 4, 5, 5, 5, 5, 5, 5.
How scary is Guinea Pig: Devil's Experiment?
On The Horror Database's 0–5 intensity scale, Guinea Pig: Devil's Experiment rates 5/5 — one of the more punishing watches in the catalog, building its fear through slow-burn dread rather than shocks. It attacks the body more than the mind — physical, in-your-face horror. Expect it to be heavy on gore and genuinely disturbing. Expect it to stay with you for days.
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