31 Horror films that embody:

6 countries (other than Italy or US)
- Germany: The Cabinet of Dr. Caligari
- South Korea: The Wailing
- Japan: Cure
- France: Titane
- New Zealand: Braindead
- Czechoslovakia: The Creator

9 decades
- 1920s: The Cabinet of Dr. Caligari
- 1930s: Dos Monjes
- 1940s: I Walked with a Zombie
- 1960s: The Birds
- 1970s: Almost Human
- 1980s: The Texas Chainsaw Massacre 2
- 1990s: Nightbreed
- 2010s: The Wailing
- 2020s: Skinamarink

5 zombie films
- Braindead
- Day of The Dead
- Zombie Flesh Eaters
- The Return of The Living Dead
- I Walked with a Zombie

3 cult or conspiracy films
- The Endless
- Mandy
- All the Colors of The Dark

1 film from a black director with a black lead
- Blacula

1 film from a Mexican or central American director
- Mexican: Dos Monjes (Juan Bustillo Oro)

1 Canadian film
- Skinamarink

1 Russian film
- Viy

2 post apocalyptic films
- Day of The Dead
- The Last Man on Earth

1 film with dreams or a dream as part of the plot
- The Cabinet of Dr. Caligari

The most popular film from the 1940s that you haven't seen and can access
- Cat People

1 The animals are pissed at us film
- The Birds

1 Silent film
- The Cabinet of Dr. Caligari

4 films based on novels
- Island of Lost Souls (based on H. G. Wells' 'The Island of Doctor Moreau)
- Dracula
- Frankenstein
- What Ever Happened to Baby Jane?

Any film from [X] list that you haven't seen
- Altered States

1 Ernesto Gastaldi written film
- Almost Human

1 film from 1932
- Island of Lost Souls

1 Tobe Hooper film
- The Texas Chainsaw Massacre 2

Extra: Burn Witch Burn, German Chainsaw Massacre and Trick or Treat.