Two guys fall on a sharp wooden object and it goes through the chest.

The zombie is shown eating a leg. Then he proceeds to beat the owner of the leg after said owner is reanimated. Then he beats another guy up with the leg.

A man is shot in the head.

A couple of people are hit over the head with a hammer. Not explicitly shown, but the aftermath with some blood.

Towards the end of the movie, lots of zombies are running around and eating people while the remaining humans try to escape and shoot the zombies.

A man uses a weed-whacker to cut up a bunch of zombies. The cutting up isn't shown, but a lot of blood and guts fly around.

Profanity is not pervasive, but there are quite a few F-bombs and Shit's.

Light religious epithets.

One of the characters gets drunk.