Giving this a go. Probably I’ll finish it. Gonna give it an honest try. Here’s what I’ve got. Happy hooping everyone!!

6 countries (other than Italy or US)
Austria- Funny Games
France- The Night Eats the World
Canada- Videodrome
Argentina- When Evil Lurks
Germany- Vampyr
Spain- Anguish

9 decades

1930s- The Mummy 
1940s- Cat People
1950s- Voodoo Man
1960s- The Birds
1970s- Amityville Horror
1980s- Nightmare on Elm Street
1990s- Scream
2000s- Donnie Darko
2010s- Jug Face

5 Zombie Films
1. Voodoo Man,
2. The Night Eats the World 
3. Scooby Doo Zombie Island
4. 28 Days Later
5. Dawn of the Dead

3 cult or conspiracy horror films
1. The Wicker Man
2. Jug Face
3. Society

1 film from a Black director with a Black lead
Get Out (2017)

1 film from a Mexican or Central American director
Evil Eye

1 Canadian film
Videodrome (1983)

1 Russian or former Russian state film
Baba Yaga Terror of the Forest

The most popular film from the 1940s that you haven't seen and can access..
Cat People (1942)

2 Post Apocalyptic horror films
1. 28 Days Later
2. Annihalation

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

1 The animals are pissed at us film
The Great Alligator

1 Silent film
The Cabinet of Dr Calgary

4 based on Novels
1. Bad Moon
2. The Wicker Man
3. Life Force
4. Hell Raiser

Any film from THIS list that you haven't seen.
Dawn of the Dead

1 Ernesto Gastaldi written film
The Great Alligator

1 film from 1932
The Mummy (1932)

I have never made a specific film a part of this before, but WIZARD of OZ ('39)
The Wizard of Oz (1939)

And 1 Tobe Hooper Film (There must ALWAYS be a Hooper film)
Salem’s Lot (1979)