Corey is abused by his family including being hit, tied up, and strangled. He is hit by other characters throughout the movie.
One body is dismembered. We a glimpse of a severed arm and a person carrying a severed leg. The killer is bloody.
A person is attacked with a power tool. We see only shadows. The effects shown on screen are nothing more than blood splashed on the victim and killer.
A person is strangled by hand.
A person is shot in the chest. There is no blood shown.
A person is crushed by a car. We see the car being lowered and the expression on the person's face but nothing graphic.
A person is attacked with an ax. We see the ax swing and blood splatter but do not see the ax actually hit anyone.