Yes — Altered rates 4/5 on The Horror Database's gore scale, heavy on explicit gore.

Does Altered rely on jump scares?

Not really — Altered leans slow-burn (25/100 on THDB's slow-burn↔jump-scare spectrum); the fear builds as dread rather than shocks.

Will Altered stay with you after watching?

Some of it — Altered rates 3/5 on lingering effect; it follows you to bed but lets go within a day or so.

Altered is genuinely disturbing (60/100 toward disturbing on THDB's fun-scary↔disturbing spectrum) and rates 4/5 on overall intensity — for viewers who want horror that cuts deep.

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Altered(2006)

Name: Altered
Genre: Horror, Science Fiction, Thriller
Released: 2006
Duration: 88 min

2006 · Eduardo Sánchez · 88 min

Fifteen years ago, five men were abducted by aliens. Only four returned. Now, these same four men have managed to capture one of the creatures who killed their friend and ruined their lives.

Watch trailer

Horror · Science Fiction · Thriller

5.5261 votes

TMDB score

4/5

Intensity

4/5

Gore

3/5

Stays with you

How Altered scares

It starts tense and claustrophobic, mostly confined to one dark shed, then slowly ratchets up into a nasty, gross-out back half. The scares come less from jumps and more from dread, paranoia, and body horror as things get more physical and bloody. This is a rough, mean little movie about revenge and guilt, with practical gore effects that go pretty far. It's for people who like grimy, low-budget creature horror more than polished jump-scare rides.

Intensity over runtime

Shape only — no events

Reveal pacing shapeHidden by default — shows where the tension peaks and lets up.

A tense setup gives way quickly to a mostly single-location ordeal that stays keyed up with periodic bursts, building to a chaotic, brutal home stretch.

How scary is Altered?

On The Horror Database's 0–5 intensity scale, Altered rates 4/5 — one of the more punishing watches in the catalog, building its fear through slow-burn dread rather than shocks. It works on both fronts, unsettling the mind while going for the body. Expect it to be heavy on gore and genuinely disturbing. Some of it will follow you to bed, but it lets go within a day or so.

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