The challenge:

8 decades
The Mummy 50s
Psycho 60s [check]
The Hills Have Eyes 70s
House by the Cemetery 80s
Raising Cain 90s
Laid to Rest 2000s
Spring 2010s
Old 2020s [check]

6 countries
Old ..USA, Japan [check]
The Mummy..UK
Karussel .. Sweden
November .. Poland, Estonia
Deadly Manor..Spain
Planet of the Vampires .. Italy

2 Postapocalyptic or natural disaster
Dawn of The Dead
The Last Man on Earth

1 film with Robert Englund
Dead & Buried

1 something is underground
The Hole
Evil Dead Rise
The Descent
Barbarian

3 satan devil centered
The House of the Devil
Salems Lot
The Omen
The Nun 2

1 Amicus film
Tales from the Crypt [check]

Dracula film:
The Last Voyage of the Demeter

5 films of DePalma, Hitchock, Craven, Russell or Moorhead/Benson
Psycho
Dial M for Murder
Raising Cain
Spring
The Hills have Eyes

2 Peter Cushing films
The Mummy
Tales from the Crypt [check]

LGBTQ related
Psycho [check]

1 film based on Bram Stoker
The Last Voyage of the Demeter

1 film based on Clive Barkers stories
Hellraiser [check]

1 Mario Bava film
Planet of the Vampires [check]

1 film released when I was 10 (at least in Germany 2002)
The Hole

1 film with X
Saw X