Link to the original list: letterboxd.com/cinemonster/list/hooptober-cinco-your-terror-is-a-locked-room/

My picks:

10 'Anniversary Films':
- The Cremator;
- Spirits of the Dead;
- A Quiet Place in the Country;
- The Fury;
- The grapes of Death;
- Piranha;
- Dawn of the Dead;
- The Nest;
- Vampire's Kiss;
- Dead Ringers;
- Vampires;
- Martyrs;
- The Strangers.

6 countries:
- Brazil: Hard Labor;
- USSR: Viy;
- Japan: Audition;
- Czechoslovakia: The Cremator;
- Italy: Spirits of the Dead; A Quiet Place in the Country; All the Colors of the Dark;
- France: The Iron Rose; The Grapes of Death; Martyrs; Rubber;
- USA: The Phantom of the Opera; Brides of Dracula; The Fury; Piranha; Dawn of the Dead; Day of the Dead; Poltergeist; Halloween II; Halloween III; Fright Night; Q; Chopping Mall; Texas Chainsaw Massacre II; The Nest; Hellraiser; Vampire's Kiss; Vampires; The Strangers; The Love Witch.

6 films from before 1970:
- The Phantom of the Opera;
- Brides of Dracula;
- Viy;
- The Cremator;
- Spirits of the Dead;
- A Quiet Place in the Country;

6 films from the following:
- Romero: Dawn of the Dead; Day of the Dead;
- Cronenberg: Dead Ringers;
Clive Barker: Hellraiser;
Terence Fischer: Brides of Dracula;
Sergio Martino: All the Colors of the Dark.

2 flying things that kill you films:
- Q;
- The Nest.

1 silent film:
- The Phantom of the Opera

1 aquatic menace film:
- Piranha

2 women directed films:
- Hard Labor;
- The Love Witch.

1 inanimate object comes alive film:
- Rubber

1 film with Barbara Crampton in it:
- Chopping Mall

2 Tobe Hooper Films: The Texas Chainsaw Massacre II; Poltergeist.