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Poster for That Demon Within

That Demon Within

Released

4.5out of 10

On a scale of 1 to 10, That Demon Within scores 4.5 for how scary it is. Strong gore and strong suspense.

Trailer on TMDB

Where to stream it

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Streaming data from JustWatch.

By a strange twist of fate, dutiful Hong Kong policeman Dan saves the life of the leader of a violent gang of armed robbers. When they commit another crime, Dan is determined to put an end to their activities. He works with the leader, whom the gang had betrayed, to engineer a plan to wreak havoc within the gang and let the gangsters kill one another. But it becomes increasingly obvious to Dan and to his colleagues that Dan is suffering from a severe mental disorder, and Dan finds that instead of upholding the law as a righteous police officer, he has now become a fugitive wanted for murder.

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

    5.4 out of 10,Strong

  • Creepy

    5.0 out of 10,Strong

  • Jumpscares

    4.0 out of 10,Moderate

  • Suspense

    5.2 out of 10,Strong

  • Psychological

    4.3 out of 10,Moderate

How the overall score of 4.5 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 scareRatedScare weightingScore
Gore (in the top 3)5.4+0.66.0
Jumpscares (in the top 3)4.0+0.34.3
Psychological (in the top 3)4.3−1.03.3
Creepy5.0−2.82.2
Suspense5.2−3.91.3

The highlighted top 3 make up the score:

(6.0 + 4.3 + 3.3) ÷ 3 = 4.5

See the full breakdown and every rating

That Demon Within parents guide

What to expect from each kind of scare, from the Scare Scale scores.

Gore: Strong
Bloody deaths and injuries shown clearly
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

That Demon Within is number 1700 of 3356 rated films on the Scare Scale, with an overall score of 4.5 out of 10.

Every line is a rated film. Hover, tap or drag along the line to compare.

  1. And Then There Were None4.5
  2. The Fly II4.5
  3. That Demon Within (this film)4.5
  4. The Wrath of Vajra4.5
  5. Appendage4.5

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That Demon Within on Scare Scale lists