Hopefully, I can pull this off lol. I have either never seen these or never formally reviewed them (i.e. put my opinion in writing).
6 countries (other than Italy or US)

Dead Snow (Norway)
Audition (Japan)
Train to Busan (South Korea)
Dancing Village: The Cures Begins (India)
REC (Spain)
The Medium (Thailand)

9 decades:
White Zombie (1932)
The Devil Bat (1940)
House on Haunted Hill (1959)
Night of the Living Dead (1968)
Carrie (1976)
The Shining (1980)
The Haunting (1999)
Resident Evil (2002)
You’re Next (2011)

5 Zombie Films:
Night of the Living Dead (1968)
Train to Busan
REC
28 Years Later
Resident Evil

3 cult or conspiracy horror films:
Midsommar
The Sacrament
They Live

1 film from a Black director with a Black lead:
Blacula

1 film from a Mexican or Central American director:
The Devil’s Backbone

1 Canadian film:
Mama

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

The most popular film from the 1940s that you haven't seen and can access:
The Devil Bat (1940)

2 Post-apocalyptic horror films:
28 Years Later
Resident Evil: Apocalypse

1 Film with dreams or a dream as part of the plot:
Nightmare on Elm Street (1984)

1 The animals are pissed at us film:
The Birds

1 Silent film:
Nosferatu (1922)

4 based on Novels:
Carrie (1976)
The Shining
It
Gerald’s Game

Any film from THIS list that you haven't seen:
Audition

1 Ernesto Gastaldi written film:
The Killer is Still Among Us

1 film from 1932:
White Zombie

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):
Mortuary