Cinemonster's original list is here:
letterboxd.com/cinemonster/list/hooptober-neun-from-outer-space/

Criteria as follows:
There must be 31 films
6 countries (Brazil, Canada, France, Germany, Hong Kong, Indonesia, Italy, Japan, Mexico, Poland, Philippines, Norway, Serbia, United States, United Kingdom)
8 decades (1920s, 1950s, 1960s, 1970s, 1980s, 1990s, 2000s, 2020s
2 insect centered films
1 horror film set in space or the future (relative to when it was released)
2 animated films
1 bloodthirsty old person/people film
2 1970s regional US films
The worst horror sequel from the 1990s that you haven't seen and can access. (I realize that this will take a little work)
1 German Silent
5 Films from David Cronenberg, Ti West, Bill Rebane, Charles B. Pierce, William Grefe and/or Joy N. Houck Jr.
2 Christopher Lee films
1 film with a musician or band in it
1 Stephen King adaptation that is not the first go around.
1 Lon Chaney film.