While no scenes of sex or nudity are ever shown, there is one scene where Lee says that Danielle is 'all his', and that he'll share the 'next one they find'. It's suggested that his group is talking about raping the young women they find. This, however, never ends up happening.

Towards the beginning of the movie, Julia almost miscarries. She bleeds from between her legs and at one point her hands and crotch and shown covered in blood.

Danielle is shot in the upper arm by Jim. The gunshot wound is later cleaned with alcohol and while it is never shown explicitly, her sleeve is bloody from then on.

Many characters are shot and killed throughout the film.

Several uses of "fuck", "shit", and "bullshit".

Jim is shown drinking whiskey in several scenes.

The group of camping teenagers pass around a bottle of vodka.

Several scenes throughout the movie depict gunfire.

Two of the campers come across the corpses of a mother and her young daughter in the woods.