8 decades
Saw X (2023) and 1 film with an 'X' in the title
Absentia (2011) and 1 underground film
Pontypool (2008) and 2 post apocalyptic or natural disaster related films
End of Days (1999) and 2 post apocalyptic or natural disaster related films
Angel Heart (1987)
When a Stranger Calls (1979)
The Girl Who Knew Too Much (1963) and 1 Mario Bava film
A Bucket of Blood (1959)

6 countries
Brazil: Medusa (2021)
Japan: Kuroneko (1968)
Mexico: The Man Without a Face (1950)
Poland: The Third Part of the Night (1971)
South Korea: Thirst (2009)
Spain: Thesis (1996)

5 films from De Palma, Wes Craven, Ken Russell, Hitchcock and/or Moorhead & Benson
Sisters (1972)
Vampire in Brooklyn (1995)
Altered States (1980)
Frenzy (1972)
Resolution (2012)

3 Satan/Devil centered films
The Exorcist: Believer (2023)
Satan’s Slaves (2017)
The Day of the Beast (1995)

2 Peter Cushing films
The House That Dripped Blood (1971)
Tales from the Crypt (1972)

1 film with Robert Englund and 1 Tobe Hooper film
The Mangler (1995)

1 LGBTQ+ connected film
Vampyros Lesbos (1971)

1 Amicus film
Madhouse (1974)

1 film based on a work of or invoking the name Bram Stoker
Nosferatu the Vampyre (1979)

1 film based on a Clive Barker story
Lord of Illusions (1995)

1 film that was released the year that you turned 10
I Spit on Your Grave (2010)

The worst Dracula film (by Letterboxd rating) that you haven't seen and can access
Vampire Hookers (1978)

Original list here.