Original List by Cinemonster

Hooptober Neun!

Began: September 23, 2023 with Daughters of Darkness (1971)
Completed: October 30, 2023 with El día de la bestia (1995)

Listed in watch order.

6 countries
Argentina: When Evil Lurks (2023)
Austria: Angst (1983)
Belgium: Daughters of Darkness (1971)
Italy: Il demonio (1963)
Japan: Living Skeleton (1968)
South Korea: Train to Busan (2016)
Spain: El día de la bestia (1995)
United Kingdom: Hellraiser (1987)
United States: Friday the 13th (1980)

8 decades
1930s: Dracula (1931)
1940s: House of Frankenstein (1943)
1950s: The Curse of Frankenstein (1957)
1960s: Il demonio (1963)
1970s: Daughters of Darkness (1971)
1980s: Friday the 13th (1980)
1990s: The People Under the Stairs (1991)
2000s: House of 1000 Corpses (2003)
2010s: Spring (2014)
2020s: When Evil Lurks (2023)

2 post-apocalyptic or natural disaster related films
Crawl (2019)
Train to Busan (2016)

1 film with Robert Englund
Eaten Alive (1976)

1 something is underground film
The People Under the Stairs (1991)

3 Satan/Devil centered films
Il demonio (1963)
The Omen (1976)
El día de la bestia (1995)

1 Amicus film
Asylum (1972)

The worst Dracula film (by Letterboxd rating) that you haven't seen and can access
Dracula 3D (2012)

1 LGBTQ+ connected film
Daughters of Darkness (1971)

5 Films from De Palma, Wes Craven, Ken Russell, Hitchcock and/or Benson & Moorhead
Spring (2014, Benson & Moorhead)
The People Under the Stairs (1991, Craven)
The Birds (1963, Hitchcock)
Sisters (1972, De Palma)
Phantom of the Paradise (1974, De Palma)

2 Peter Cushing films
Asylum (1972)
The Curse of Frankenstein (1957)

1 film based on a work of or invoking the name Bram Stoker
Dracula (1931)
Dracula 3D (2012)

1 film based on a Clive Barker story
Hellraiser (1987)

1 film that was released the year that you turned 10
House of 1000 Corpses (2003)

1 Mario Bava film
Blood and Black Lace (1964)

1 film with 'X' in the title
Saw X (2023)

1 Tobe Hooper Film (There must ALWAYS be a Hooper film)
Eaten Alive (1976)