Killer Mermaid
Released
0.9out of 10
Based on 1 rating
On a scale of 1 to 10, Killer Mermaid scores 0.9 for how scary it is. Strong suspense and strong creepiness, with moderate psychological horror.
Where to stream it
Streaming data from JustWatch.
Two young American women go on a Mediterranean vacation and uncover the watery lair of a killer mermaid hidden beneath an abandoned military fortress.
How it scares
Each kind of scare is rated out of 10. Hover over a score, or use the info button, to see what it means.
- Gore
4.1 out of 10,Moderate
Blood, injuries and body horror shown on screen. Violence that happens off-screen barely counts.
Gore 4.1 is moderate (3-4 on the scale):
- Visible blood and wounds in a few scenes
- The camera cuts away before the worst of it
- 1-2Mild
- 3-4Moderate
- 5-6Strong
- 7-8Intense
- 9-10Extreme
- Creepy
4.6 out of 10,Strong
Unsettling images, atmosphere and things that feel wrong. Not sudden shocks (Jumpscares) or waiting for something to happen (Suspense).
Creepy 4.6 is strong (5-6 on the scale):
- Disturbing images and an atmosphere that feels wrong
- Comes back often, and some scenes stay with you afterwards
- 1-2Mild
- 3-4Moderate
- 5-6Strong
- 7-8Intense
- 9-10Extreme
- Jumpscares
3.1 out of 10,Moderate
Sudden shocks designed to make you jump, usually a fast movement or a loud noise. Not slow-building dread (Suspense).
Jumpscares 3.1 is moderate (3-4 on the scale):
- A handful of jumpscares that land
- Spaced out, with long gaps between them
- 1-2Mild
- 3-4Moderate
- 5-6Strong
- 7-8Intense
- 9-10Extreme
- Suspense
5.0 out of 10,Strong
Tension and dread while you wait for something to happen. Not the scare itself when it arrives (Jumpscares or Gore).
Suspense 5.0 is strong (5-6 on the scale):
- High tension that keeps you on edge
- Calm moments are short and don't last
- 1-2Mild
- 3-4Moderate
- 5-6Strong
- 7-8Intense
- 9-10Extreme
- Psychological
2.5 out of 10,Moderate
Horror that gets in your head: paranoia, madness, doubting what's real and ideas that stay with you. Not how a scene looks (Creepy) or feels in the moment (Suspense).
Psychological 2.5 is moderate (3-4 on the scale):
- Unsettling themes, moral dilemmas or a character you can't trust
- Makes you think, without leaving you shaken
- 1-2Mild
- 3-4Moderate
- 5-6Strong
- 7-8Intense
- 9-10Extreme
How the overall score of 0.9 is worked out
Scare weighting compares each kind of scare with other films, lifting what's stronger than usual and lowering what's weaker, so only the strongest get near 10. The Scare Scale score is the average of the three highest.
| Kind of scare | Rated | Scare weighting | Score |
|---|---|---|---|
| Gore (in the top 3) | 4.1 | −2.8 | 1.3 |
| Creepy (in the top 3) | 4.6 | −3.8 | 0.8 |
| Suspense (in the top 3) | 5.0 | −4.3 | 0.7 |
| Jumpscares | 3.1 | −2.5 | 0.6 |
| Psychological | 2.5 | −2.4 | 0.1 |
The highlighted top 3 make up the score:
(1.3 + 0.8 + 0.7) ÷ 3 = 0.9
Killer Mermaid parents guide
What to expect from each kind of scare, from the Scare Scale scores.
- Gore: Moderate
- Visible blood and wounds in a few scenes
- Creepy: Strong
- Disturbing images and an atmosphere that feels wrong
- Jumpscares: Moderate
- A handful of jumpscares that land
- Suspense: Strong
- High tension that keeps you on edge
- Psychological: Moderate
- Unsettling themes, moral dilemmas or a character you can't trust
Where it sits on the Scare Scale
Killer Mermaid is number 3297 of 3356 rated films on the Scare Scale, with an overall score of 0.9 out of 10.
Every line is a rated film. Hover, tap or drag along the line to compare.
- Night Patrol0.9
- The Long Night0.9
- Killer Mermaid (this film)0.9
- Grizzly II: Revenge0.9
- Escape Room0.9
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