Tenebrae The Bird with the Crystal Plumage Zombie (1979) The Beyond (1981) Altered States Not sure if these are considered mostly unknown or not but also: Toxic Avenger, Class of Nuke ‘em High, and the puppet master movies

6

Suspiria

1

maniac (2012), may, from beyond, dolls, the entity, butcher baker nightmare maker

1

Dunno if these entirely count as horror, but I do feel like they’re underrated; Southern Comfort Manhunter The Hitcher (86’ version) The Dead Zone

1

Trust the medium it’s a scary ass thai horror movie a lil goofy but overall rlly good

1

jigoku, freaky farley, shocker, atman, fungicide, tartarus, a sweet and vicious beauty,

1

The call (2020)

1

The Beyond, Deep Red, Black Sunday, When Evil Lurks

1

The night house

1