The main list to address all criteria contains all films that I've never seen before. Won't necessarily adhere to that for any supplemental add-ons or writing assignments.

Per the rules:
There must be (at least) 31 films
6 countries
8 decades
2 post-apocalyptic or natural disaster-centered films
1 film with Robert Englund
1 "something is underground" film
3 Satan- / devil-centered films
1 Amicus film
The worst Dracula film that you haven't seen and can access
1 LGBTQ+-connected film
5 Films from Brian De Palma, Wes Craven, Ken Russell, Alfred Hitchcock and Aaron Morehead & Justin 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 you turned 10
1 Mario Bava film
1 film with an "X" in the title
1 Tobe Hooper film

E̶X̶T̶R̶A̶ ̶C̶R̶E̶D̶I̶T̶
1̶0̶ ̶R̶i̶l̶l̶i̶n̶g̶t̶o̶n̶ ̶P̶l̶a̶c̶e̶
S̶h̶a̶k̶y̶ ̶S̶h̶i̶v̶e̶r̶s̶
T̶h̶e̶ ̶Z̶o̶d̶i̶a̶c̶ ̶K̶i̶l̶l̶e̶r̶

6̶ ̶C̶O̶U̶N̶T̶R̶I̶E̶S̶
A̶r̶g̶e̶n̶t̶o̶'̶s̶ ̶D̶r̶a̶c̶u̶l̶a̶ ̶3̶D̶ (̶I̶t̶a̶l̶y̶)̶
T̶h̶e̶ ̶B̶e̶a̶s̶t̶ ̶M̶u̶s̶t̶ ̶D̶i̶e̶ (̶1̶9̶7̶4̶)̶ (̶U̶n̶i̶t̶e̶d̶ ̶K̶i̶n̶g̶d̶o̶m̶)̶
E̶b̶o̶l̶a̶ ̶S̶y̶n̶d̶r̶o̶m̶e̶ (̶C̶h̶i̶n̶a̶)̶
H̶u̶e̶s̶e̶r̶a̶:̶ ̶T̶h̶e̶ ̶B̶o̶n̶e̶ ̶W̶o̶m̶a̶n̶ ̶(̶M̶e̶x̶i̶c̶o̶)̶
T̶h̶e̶ ̶L̶o̶v̶e̶d̶ ̶O̶n̶e̶s̶ (̶A̶u̶s̶t̶r̶a̶l̶i̶a̶)̶
̶S̶a̶l̶o̶u̶m̶ (̶S̶e̶n̶e̶g̶a̶l̶)̶

8̶ ̶D̶E̶C̶A̶D̶E̶S̶
B̶l̶a̶c̶k̶ ̶F̶r̶i̶d̶a̶y̶ (̶1̶9̶4̶0̶)̶ ̶(̶1̶9̶4̶0̶s̶)̶
T̶h̶e̶ ̶L̶a̶s̶t̶ ̶M̶a̶n̶ ̶o̶n̶ ̶E̶a̶r̶t̶h̶ (̶1̶9̶6̶4̶)̶ (̶1̶9̶6̶0̶s̶)̶
T̶h̶e̶ ̶B̶e̶a̶s̶t̶ ̶M̶u̶s̶t̶ ̶D̶i̶e̶ (̶1̶9̶7̶4̶)̶ (̶1̶9̶7̶0̶s̶)̶
D̶e̶a̶d̶ ̶&̶ ̶B̶u̶r̶i̶e̶d̶ (̶1̶9̶8̶0̶s̶)̶
I̶'̶m̶ ̶D̶a̶n̶g̶e̶r̶o̶u̶s̶ ̶T̶o̶n̶i̶g̶h̶t̶ (̶1̶9̶9̶0̶s̶)̶
T̶h̶e̶ ̶L̶o̶v̶e̶d̶ ̶O̶n̶e̶s̶(̶2̶0̶0̶0̶s̶)̶
A̶r̶g̶e̶n̶t̶o̶'̶s̶ ̶D̶r̶a̶c̶u̶l̶a̶ ̶3̶D̶ (̶2̶0̶1̶0̶s̶)̶
B̶o̶o̶k̶s̶ ̶o̶f̶ ̶B̶l̶o̶o̶d̶(̶2̶0̶2̶0̶s̶)̶

2̶ ̶P̶O̶S̶T̶-̶A̶P̶O̶C̶A̶L̶Y̶P̶T̶I̶C̶ ̶O̶R̶ ̶N̶A̶T̶U̶R̶A̶L̶ ̶D̶I̶S̶A̶S̶T̶E̶R̶-̶R̶E̶L̶A̶T̶E̶D̶ ̶F̶I̶L̶M̶S̶
T̶h̶e̶ ̶L̶a̶s̶t̶ ̶M̶a̶n̶ ̶o̶n̶ ̶E̶a̶r̶t̶h̶ (̶1̶9̶6̶4̶)̶
T̶h̶e̶ ̶S̶w̶a̶r̶m̶ ̶ (̶1̶9̶7̶8̶)̶

1̶ ̶F̶I̶L̶M̶ ̶W̶I̶T̶H̶ ̶R̶O̶B̶E̶R̶T̶ ̶E̶N̶G̶L̶U̶N̶D̶
D̶e̶a̶d̶ ̶&̶ ̶B̶u̶r̶i̶e̶d̶

1̶ ̶"̶S̶O̶M̶E̶T̶H̶I̶N̶G̶ ̶I̶S̶ ̶U̶N̶D̶E̶R̶G̶R̶O̶U̶N̶D̶"̶ ̶F̶I̶L̶M̶
C̶.̶H̶.̶U̶.̶D̶.̶

3̶ ̶S̶A̶T̶A̶N̶-̶ ̶/̶ ̶D̶E̶V̶I̶L̶-̶C̶E̶N̶T̶E̶R̶E̶D̶ ̶F̶I̶L̶M̶S̶
B̶l̶a̶c̶k̶ ̶S̶u̶n̶d̶a̶y̶ (̶1̶9̶6̶0̶)̶
T̶h̶e̶ ̶E̶x̶o̶r̶c̶i̶s̶t̶:̶ ̶B̶e̶l̶i̶e̶v̶e̶r̶ ̶(̶2̶0̶2̶3̶)̶
T̶h̶e̶ ̶M̶o̶t̶h̶e̶r̶ ̶o̶f̶ ̶T̶e̶a̶r̶s̶

1̶ ̶A̶M̶I̶C̶U̶S̶ ̶F̶I̶L̶M̶
T̶h̶e̶ ̶B̶e̶a̶s̶t̶ ̶M̶u̶s̶t̶ ̶D̶i̶e̶ (̶1̶9̶7̶4̶)̶

T̶H̶E̶ ̶W̶O̶R̶S̶T̶ ̶D̶R̶A̶C̶U̶L̶A̶ ̶F̶I̶L̶M̶ ̶T̶H̶A̶T̶ ̶Y̶O̶U̶ ̶H̶A̶V̶E̶N̶'̶T̶ ̶S̶E̶E̶N̶ ̶A̶N̶D̶ ̶C̶A̶N̶ ̶A̶C̶C̶E̶S̶S̶
A̶r̶g̶e̶n̶t̶o̶'̶s̶ ̶D̶r̶a̶c̶u̶l̶a̶ ̶3̶D̶

1̶ ̶L̶G̶B̶T̶Q̶+̶-̶C̶O̶N̶N̶E̶C̶T̶E̶D̶ ̶F̶I̶L̶M̶
G̶u̶y̶s̶ ̶a̶t̶ ̶P̶a̶r̶t̶i̶e̶s̶ ̶L̶i̶k̶e̶ ̶I̶t̶

5̶ ̶F̶I̶L̶M̶S̶ ̶F̶R̶O̶M̶ ̶B̶R̶I̶A̶N̶ ̶D̶E̶ ̶P̶A̶L̶M̶A̶,̶ ̶W̶E̶S̶ ̶C̶R̶A̶V̶E̶N̶,̶ ̶K̶E̶N̶ ̶R̶U̶S̶S̶E̶L̶L̶,̶ ̶A̶L̶F̶R̶E̶D̶ ̶H̶I̶T̶C̶H̶C̶O̶C̶K̶ ̶A̶N̶D̶ ̶A̶A̶R̶O̶N̶ ̶M̶O̶R̶E̶H̶E̶A̶D̶ ̶&̶ ̶J̶U̶S̶T̶I̶N̶ ̶B̶E̶N̶S̶O̶N̶
P̶h̶a̶n̶t̶o̶m̶ ̶o̶f̶ ̶t̶h̶e̶ ̶P̶a̶r̶a̶d̶i̶s̶e̶ (̶D̶e̶ ̶P̶a̶l̶m̶a̶)̶
M̶y̶ ̶S̶o̶u̶l̶ ̶t̶o̶ ̶T̶a̶k̶e̶e (̶C̶r̶a̶v̶e̶n̶)̶
T̶h̶e̶ ̶D̶e̶v̶i̶l̶s̶ 1̶9̶7̶1̶)̶ ̶(̶R̶u̶s̶s̶e̶l̶l̶)̶
F̶r̶e̶n̶z̶y̶ (̶1̶9̶7̶2̶)̶ ̶(̶H̶i̶t̶c̶h̶c̶o̶c̶k̶)̶
S̶y̶n̶c̶h̶r̶o̶n̶i̶c̶ (̶M̶o̶r̶e̶h̶e̶a̶d̶ ̶/̶ ̶B̶e̶n̶s̶o̶n̶)̶

2̶ ̶P̶E̶T̶E̶R̶ ̶C̶U̶S̶H̶I̶N̶G̶ ̶F̶I̶L̶M̶S̶
T̶h̶e̶ ̶B̶e̶a̶s̶t̶ ̶M̶u̶s̶t̶ ̶D̶i̶e̶(̶1̶9̶7̶4̶)̶
T̶h̶e̶ ̶L̶e̶g̶e̶n̶d̶ ̶o̶f̶ ̶t̶h̶e̶ ̶7̶ ̶G̶o̶l̶d̶e̶n̶ ̶V̶a̶m̶p̶i̶r̶e̶s̶

1̶ ̶F̶I̶L̶M̶ ̶B̶A̶S̶E̶D̶ ̶O̶N̶ ̶T̶H̶E̶ ̶W̶O̶R̶K̶ ̶O̶F̶ ̶O̶R̶ ̶I̶N̶V̶O̶K̶I̶N̶G̶ ̶T̶H̶E̶ ̶N̶A̶M̶E̶ ̶B̶R̶A̶M̶ ̶S̶T̶O̶K̶E̶R̶
A̶r̶g̶e̶n̶t̶o̶'̶s̶ ̶D̶r̶a̶c̶u̶l̶a̶ ̶3̶D̶

1̶ ̶F̶I̶L̶M̶ ̶B̶A̶S̶E̶D̶ ̶O̶N̶ ̶A̶ ̶C̶L̶I̶V̶E̶ ̶B̶A̶R̶K̶E̶R̶ ̶S̶T̶O̶R̶Y̶
B̶o̶o̶k̶s̶ ̶o̶f̶ ̶B̶l̶o̶o̶d̶

1̶ ̶F̶I̶L̶M̶ ̶T̶H̶A̶T̶ ̶W̶A̶S̶ ̶R̶E̶L̶E̶A̶S̶E̶D̶ ̶T̶H̶E̶ ̶Y̶E̶A̶R̶ ̶Y̶O̶U̶ ̶T̶U̶R̶N̶E̶D̶ ̶1̶0̶
S̶o̶c̶i̶e̶t̶y̶ (̶1̶9̶8̶9̶)̶

1̶ ̶M̶A̶R̶I̶O̶ ̶B̶A̶V̶A̶ ̶F̶I̶L̶M̶
B̶l̶a̶c̶k̶ ̶S̶u̶n̶d̶a̶y̶ (̶1̶9̶6̶0̶)̶

1̶ ̶F̶I̶L̶M̶ ̶W̶I̶T̶H̶ ̶A̶N̶ ̶"̶X̶"̶ ̶I̶N̶ ̶T̶H̶E̶ ̶T̶I̶T̶L̶E̶
S̶a̶w̶ ̶X̶

1̶ ̶T̶O̶B̶E̶ ̶H̶O̶O̶P̶E̶R̶ ̶F̶I̶L̶M̶
I̶'̶m̶ ̶D̶a̶n̶g̶e̶r̶o̶u̶s̶ ̶T̶o̶n̶i̶g̶h̶t̶

O̶T̶H̶E̶R̶S̶ ̶T̶O̶ ̶F̶I̶L̶L̶ ̶O̶U̶T̶ ̶T̶H̶E̶ ̶T̶O̶T̶A̶L̶ ̶T̶O̶ ̶3̶1̶ ̶(̶O̶R̶ ̶M̶O̶R̶E̶)̶
B̶a̶t̶e̶s̶ ̶M̶o̶t̶e̶l̶ (̶1̶9̶8̶7̶)̶
T̶h̶e̶ ̶B̶e̶y̶o̶n̶d̶ (̶1̶9̶8̶1̶)̶
̶D̶a̶r̶k̶ ̶H̶a̶r̶v̶e̶s̶t̶ (̶2̶0̶2̶3̶)̶
D̶e̶m̶o̶n̶s̶ (̶1̶9̶8̶5̶)̶
F̶i̶v̶e̶ ̶N̶i̶g̶h̶t̶s̶ ̶a̶t̶ ̶F̶r̶e̶d̶d̶y̶'̶s̶
A̶ ̶H̶a̶u̶n̶t̶i̶n̶g̶ ̶i̶n̶ ̶V̶e̶n̶i̶c̶e̶
I̶n̶s̶i̶d̶i̶o̶u̶s̶:̶ ̶T̶h̶e̶ ̶R̶e̶d̶ ̶D̶o̶o̶r̶
N̶i̶g̶h̶t̶b̶e̶a̶s̶t̶
N̶o̶ ̶O̶n̶e̶ ̶W̶i̶l̶l̶ ̶S̶a̶v̶e̶ ̶Y̶o̶u̶
P̶s̶y̶c̶h̶o̶ ̶I̶I̶
P̶s̶y̶c̶h̶o̶ ̶I̶I̶I̶
P̶s̶y̶c̶h̶o̶ ̶I̶V̶:̶ ̶T̶h̶e̶ ̶B̶e̶g̶i̶n̶n̶i̶n̶g̶
T̶h̶e̶ ̶R̶e̶t̶u̶r̶n̶ ̶o̶f̶ ̶S̶w̶a̶m̶p̶ ̶T̶h̶i̶n̶g̶
W̶h̶e̶n̶ ̶E̶v̶i̶l̶ ̶L̶u̶r̶k̶s̶

HOOPTOBER X FILMS RANKED (only those previously unseen)
1. Ebola Syndrome
2. The Devils (1971)
3. 10 Rillington Place
4. Black Sunday (1960)
5. The Loved Ones
6. Demons (1985)
7. Phantom of the Paradise
8. Frenzy
9. The Last Man on Earth (1964)
10. Guys at Parties Like It
11. Synchronic
12. The Exorcist: Believer
13. Huesera: The Bone Woman
14. Dead & Buried
15. The Legend of the 7 Golden Vampires
16. The Mother of Tears
17. Nightbeast
18. When Evil Lurks
19. The Zodiac Killer
20. Society
21. My Soul to Take
22. C.H.U.D.
23. Psycho II
24. Black Friday (1940)
25. Saloum
26. The Swarm (1978)
27. Shaky Shivers
28. No One Will Save You
29. Psycho III
30. Books of Blood
31. A Haunting in Venice
32. Dark Harvest
33. Saw X
34. Insidious: The Red Door
35. Psycho IV: The Beginning
36. The Beast Must Die (1974)
37. I’m Dangerous Tonight
38. Five Nights at Freddy's
39. Argento’s Dracula 3D
40. Bates Motel (1987)