A couple of sexual references. No sex or nudity.

A man's wrist is snapped, exposing his bones. He is then stabbed in the neck with his own bones. Very graphic.

Characters are dismembered and are graphically killed with chainsaws, knives, broken glass, sledgehammers, and blunt instruments.

Characters are slit in half by chainsaws.

People in a bus are butchered and brutalized with a chainsaw, with many of them being gorily slashed, impaled, cut into pieces and bisected with copious of blood and gore spraying. A woman is cut in half, with her intestines spilling out.

A man has his leg broken in a grotesque fashion. He then gets shoved into a broken glass shard, hitting his neck. Blood pours heavily. His head is then smashed to pieces with a sledge hammer, spraying brains and blood everywhere. This scene is extremely graphic.

A dead woman has her face removed

A man is attacked with a butcher knife. He is seen struggling on the floor gurgling and bleeding out. We later see him with his cheek fully sliced open and flopping around while he chokes to death. Very graphic.

A woman has her face cut off. We don't see it happen but later see her skinned face close up for a few seconds.

A girl has her stomach carved with a piece of broken glass while being choked. Very disturbing scene, she is audibly struggling to breathe and the cutting sounds are graphic.

A man gets shot in the neck and crashes a van. Later he gets his head bashed in by a oxygen tank. He is covered in blood and struggles to breathe.

32 uses of "fuck" and 11 uses of "shit"

People smoking cigarettes and drinking.

Visual references to past school shootings. Dead children are seen lying on the floor during a flashback.

The ending contains surprises and jumps with the music.