Cinemonster’s QUICK EASY RULES:
There must be 31 horror films

6 countries (other than Italy or US)
Germany [Orlacs hände]
Japan [Ring 2]
México [Even the Wind is Afraid]
Moldavia [Bodrog]
Spain [Attack of the Blind Dead]
Taiwan [invitation Only]

9 decades
20s [Orlacs Hände]
30s [Doctor X]
40s [The Picture of Dorian Gray]
70s [Death Walks at Midnight]
80s [Nightmare City]
90s [Ring 2]
2000s [Freddy vs Jason]
2010s [Bodrog]
2020s [Resident Evil: Welcome to Raccoon City]

5 Zombie Films
Attack of the Blind Dead
Nightmare City
28 Weeks Later 
Resident Evil: The Final Chapter
Resident Evil Welcome to Raccoon City 

3 cult or conspiracy horror films
Resident Evil: The Final Chapter
Resident Evil Welcome to Raccoon City 
Project MKHEXE

1 film from a Black director with a Black lead
Blacula

1 film from a Mexican or Central American director
Even the Wind is Afraid

1 Canadian film
The Dead Zone 

1 Russian or former Russian state film
Bodrog 

The most popular film from the 1940s that you haven't seen and can access.
The Picture of Dorian Gray

2 Post Apocalyptic horror films
28 Weeks Later 
Resident Evil: The Final Chapter 

1 Film with dreams or a dream as part of the plot
Freddy vs Jason

1 The animals are pissed at us film
Night of the Lepus

1 Silent film
Orlacs Hände 

4 based on Novels
Orlacs Hände 
The Picture of Dorian Gray
The Dead Zone
Ring 2

Any film from THIS list that you haven't seen.
Blacula

1 Ernesto Gastaldi written film
Death Walks at Midnight 

1 film from 1932
Doctor X

I have never made a specific film a part of this before, but WIZARD of OZ ('39)

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

(Had to remove Island of Lost Souls and Cemetery of Terror, which I was having trouble accessing, and replace them with Doctor X and Even the Wind is Afraid.)