None.

Most of the violence takes place offscreen with the bodies turning up later, but there are a few instances of on-screen violence.

A few people are shot during a bank robbery. Some blood spurts from the wounds.

There are a few instances where we see dead bodies. The bodies' eyes are usually missing.

The killer hits a man with a pickaxe on the leg and on the back. Some blood spurts. (The man dies)

A jar full of eyeballs is shown.

A woman fires a flamethrower at the killer, lighting him on fire.

There are a few uses of "fuck" as well as milder profanities such as "shit" and "damn".

Some cigarette smoking.

Much of the movie is very creepy.

There are also a few intense scenes.

The Trackman is very menacing.