Genuinely scary

The Haunting of Hill House

Suspiria

Night of the Living Dead

Pandorum

Ghostland

Twin Peaks

It Comes at Night

Lee Cronin's The Mummy

The Omen

Pet Sematary

Twin Peaks: Fire Walk with Me

Funny Games

Late Night with the Devil

Eden Lake

Funny Games

The Wailing

Jacob's Ladder

Neon Genesis Evangelion: The End of Evangelion

In the Mouth of Madness

Come and See