Thanks, Cinemonster for the challenge

There must be 31 horror films

6 countries (other than
Italy or US)
Ukraine- Dark Waters
New Zealand: The Rule of Jenny Pen, Bring Her Back
Romania: Lurking Fear
Indonesia : May the Devil Take You Too
England:  Tale of Tales, The City of the Dead
Spain: The Others
Hong Kong: Kung Fu Zombie
South Korea: Train to Busan
Argentina: History of the Occult
Canada: Clearcut

9 decades
-1920s: The Haunted House
-1930s: The Bride of Frankenstein, The Old Dark House
-1940s: Cat People
-1950s: I Bury the Living
-1960s: The City of the Dead
-1970s: Messiah of Evil, The Food of the Gods, Race with the Devil
-1980s: Night of the Comet, Kung Fu Zombie, The Killer Is Still Among Us, The Sender
-1990s: Netherworld, Dark Waters, Lurking Fear, Return of the Living Dead III, Clearcut
-2000s: The Others, Toolbox Murders
-2010s: World War Z, Tale of Tales, Train to Busan, Chillerama
-2020s: The Long Walk, The Rule of Jenny Pen, May the Devil Take You Too, Clown in a Cornfield, The Blackening, Arcadian, Bring Her Back, History of the Occult

5 Zombie Films
Kung Fu Zombie
Night of the Comet
World War Z
Messiah of Evil
Return of the Living Dead III
Train to Busan

3 cult or conspiracy horror films
Netherworld
Dark Waters
Messiah of Evil
The City of the Dead
Race with the Devil

1 film from a Black director with a Black lead Here are some options
The Blackening

1 film from a Mexican or Central American director
History of the Occult

1 Canadian film
Clearcut

1 former Soviet state film (Armenia, Azerbaijan, Belarus, Estonia, Georgia, Kazakhstan, Kyrgyzstan, Latvia, Lithuania, Moldova, Russia, Tajikistan, Turkmenistan, Ukraine, and Uzbekistan)
Dark Waters

The most popular film from the 1940s that you haven't seen and can access.
Cat People

2 Post Apocalyptic horror films
Arcadian
Train to Busan

1 Film with dreams or a dream as part of the plot
The Sender

1 The animals are pissed at us film
The Food of the Gods

1 Silent film
The Haunted House

4 based on Novels
The Long Walk
The Rule of Jenny Pen
Tale of Tales
Clown in a Cornfield
The Food of the Gods
The Bride of Frankenstein

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

1 Ernesto Gastaldi written film
The Killer Is Still Among Us

1 film from 1932
The Old Dark House

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

And 1 Tobe Hooper Film
The Toolbox Murders