QUICK EASY RULES:

There must be 31 films
6 countries
8 decades
2 post apocalyptic or natural disaster related films
1 film with Robert Englund
1 something is underground film
3 Satan/Devil centered films
1 Amicus film.
The worst Dracula film (by Letterboxd rating) that you haven't seen and can access.
1 LGBTQ+ connected film
5 Films from De Palma, Wes Craven, Ken Russell, Hitchcock and/or Morehead & Benson.
2 Peter Cushing films
1 film based on a work of or invoking the name Bram Stoker
1 film based on a Clive Barker story
1 film that was released the year that you turned 10
1 Mario Bava film.
1 film with an 'x' in the title

And 1 Tobe Hooper Film (There must ALWAYS be a Hooper film)

UPDATE:
Best films I’d never seen before:
Raising Cain (1992)
The Devil Rides Out (1968)
The Lair of the White Worm (1988)
Mandy (2018)
A Bay of Blood (1971)
The Cursed Palace (1962)
The Devil’s Rain (1975)

Worst Film:
The Texas Chainsaw Massacre (2003)

Most disappointing films:
Rosemary’s Baby (1968)
A Nightmare on Elm Street (1984)