A man is briefly seen shirtless.

A nude man is seen covered in blood. Sensitive nudity obscured.

A character is instantly killed in an explosion.

A character's face is slammed onto the ground, resulting in minimal bloodshed.

Burn scars, cuts, and gashes are seen.

Character(s) cough or vomit blood occasionally.

A character is covered in boils and is disfigured in the process.

The entirety of the film is set in an ocean of human blood.

Fuck is used alongside lesser profanity.

Alcohol use.

Simon takes a swig of 70% alcohol, which isn't normally intended for human consumption.

A character is hunted and alone on an alien planet which could upset sensitive viewers.

Much of the film is claustrophobic which could be upsetting to sensitive viewers.

Character(s) have mental breakdowns which could upset sensitive viewers.

Much of the film is tense, but this is a horror movie, what did you expect?