Genuinely scary

Santa Sangre

Pet Sematary

The Vanishing

Pumpkinhead

Hellraiser

Henry: Portrait of a Serial Killer

Blue Velvet

The Fly

Aliens

Come and See

A Nightmare on Elm Street

The Entity

The Thing

Poltergeist

Possession

The Shining

The Brood

Alien

Carrie

The Omen