Excited to make this list, even if work will almost certainly keep me from completing it. You can join here.

~6 countries~
Chile | Japan | South Korea | Sweden | United Kingdom | United States

~8 decades~
1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s

~2 folk horror~
Pet Sematary | The Virgin Spring | (bonus: The Blair Witch Project)

~4 films from 1981~
Dead & Buried | Just Before Dawn | Ms. 45 | Samurai Reincarnation

~2 films from your birth year~
Pet Sematary | Tetsuo: The Iron Man

~2 haunted house films~
His House | The Wolf House

~The worst Part 2 that you haven't seen and can access~
Birdemic 2: The Resurrection

~1 film set in the woods~
The Blair Witch Project

~1 Kaiju or Kong film~
Godzilla Raids Again

~2 Hammer films~
The Curse of Frankenstein | The Mummy

3 films with a person of color as director or lead~
Cosmic Slop | His House | J.D.'s Revenge

~3 Asian horror films~
Godzilla Raids Again | Memories of Murder | Tetsuo: The Iron Man | (bonus: Samurai Reincarnation)

~And 1 Tobe Hooper Film!~
The Texas Chainsaw Massacre 2