Here are the horror movies I've watched for my 31 Days of Halloween/Hooptober 8 in October 2021. There are some days where I'm watching multiple films, so this list will come out at more than 31 movies (I'll continue adding to it throughout October.)

(for the Hooptober criteria below, I'm only listing the first movie I watched to satisfy each criteria. For example, I watched multiple movies from Japan but I only listed Ringu because it was the first.)

6 countries: Ringu (Japan), Malignant (USA), Train to Busan (South Korea), Eyes Without a Face (France), Masque of the Red Death (UK), Häxan (Sweden)
8 decades: Ringu (1990s), Malignant (2020s), Critters (1980s), Silent House (2010s), Eyes Without a Face (1960s), I’ll Always Know What You Did Last Summer (2000s), The Blood on Satan's Claw (1970s), Häxan (1920s)
2 folk horror: The Blood on Satan's Claw, Häxan
4 films from 1981: Samurai Reincarnation, The Funhouse, The Burning, Deadly Blessing
2 films from your birth year: Q, Creepshow
2 haunted house films: Silent House, The Woman in Black
The worst Part 2 that you haven't seen and can access: BloodRayne 2: Deliverance
1 film set in the woods: The Burning
1 Kaiju or Kong film: Q
2 Hammer films: The Woman in Black, The Devil Rides Out
3 films with a person of color as director or lead. (excluding Asian): I’ll Always Know What You Did Last Summer, Regression, Candyman
3 Asian horror films: Ringu, Train to Busan, Samurai Reincarnation
1 Tobe Hooper Film: The Funhouse
***EXTRA CREDIT*** JD's Revenge, The Skull, and The Scooby Doo Project: The Scooby Doo Project