None. Just a man preparing to pee.

Most of the killings that take place throughout the film, are pretty realistic, and most of them have bloody results. See below for details.

Several guys talk about shooting some animals.

A man aims to shoot a deer, but gets interrupted when a gun shot causes the deer to run away.

A man is shot offscreen, but we see blood splattering on an another man's face. The man who's shot is seen falling on some rocks, from a far distance.

A man is shot in the head. Some blood splatters on a rock. Some brain mass can be seen outside the head.

Some blood is seen running through a small river.

A man vomits.

A woman is shot. She struggles to survive, but gets shot in the head. A close-up of her bloodied face is seen afterward.

A man discovers a corpse under a bridge.

At least one "damn", and several uses of the F-word.

A man smokes a cigar. Several men drinks some beer.

The film is basically tame during the first 35 minutes, but after then becomes pretty disturbing as several people are being hunted down by an unseen killer.