Second time participating. Last year's movies can be found here.
Rules as per cinemonster.

There must be 31 films
{Possession, Maniac, Maniac}

6 countries
-UK (The Wicker Man)
-Canada (The Brood)
-Belgium (Rabid Grannies),
-USA (Let's Scare Jessica To Death)
-Japan (Tetsuo)
-Germany (Death King)
-Brazil (At Midnight I’ll Take Your Soul)
-Australia (Cat Sick Blues)

8 decades
-20s (London After Midnight)
-50s (Diabolique)
-60s (At Midnight I’ll Take Your Soul)
-70s (Multiple Maniacs)
-80s (The Howling 2)
-90s (Death King)
-00s (Dagon)
-2010 (Pet Sematary)
-2020 (Pearl)

2 insect centered films
{Phenomena, The Fly II}

1 horror film set in space or the future (relative to when it was released)
{Forbidden World}

2 animated films
{The Spine of Midnight, Wicked City}

1 bloodthirsty old person/people film
{Rabid Grannies}

2 1970s regional US films (Thanks Sean Young)
{Hungry Wives, Multiple Maniacs}

The worst horror sequel from the 1990s that you haven't seen and can access.
{Freddy's Dead}

1 German Silent
{The Cabinet of Dr. Caligari}

5 Films from David Cronenberg, Ti West, Bill Rebane, Charles B. Pierce, William Grefe and/or Joy N. Houck Jr.
{Pearl, The Brood, Crimes of the Future, Scanners, Videodrome}

2 Christopher Lee films
{The Wicker Man, The Howling 2}

1 film with a musician or band in it.
{Dracula - Tom Waits}

1 Stephen King adaptation that is not the first go around.
{Pet Sematary}

1 Lon Chaney film.
{London After Night}

Hooper
{Invaders From Mars}

***FOR THOSE THAT LIKE TO DO EXTRA WORK: WATCH The Last Circus and Silent Madness. Like last year, there is a third film: Pennywise: The Story of It.