QUICK EASY RULES:
Countries (other than Italy or US): France, Germany,  Canada, U.K., Mexico, Spain, Ireland, Russia
Decades: 1920’s, 1930’s, 1940’s, 1950’s, 1970’s, 1980’s, 1990’s, 2000’s, 2010’s, 2020’s
Zombie Films: Dawn of the Dead, Shaun of the Dead, The Battery, Day of the Dead, Zombie Flesh Eaters
Cult or Conspiracy: Regression, V/H/S/94, Out There Halloween Mega Tape, The Faculty, Doctor Sleep, All the Colors of the Dark
Black director with a Black lead: Blackula
Mexican or Central American Director: Cronos
Canadian: Regression, Ginger Snaps
Russian or former Russian state: Abraham Lincoln: Vampire Hunter
Most popular from the 1940s: The Wolfman
Post-Apocalyptic: Rats: Night of Terror, The Battery, Day of the Dead
Dreams as part of the plot: Regression, Wizard of Oz, Doctor Sleep, All the Colors of the Dark
“The animals are pissed at us” Film: Rats: Night of Terror, The Millennium Bug, Mosquito
Silent film: The Man Who Laughs
Based on Novels: Vampyr, Wizard of Oz, The Keep, Doctor Sleep
Films from THIS list that I haven't seen: Dawn of the Dead, The Wolfman, Shaun of the Dead, German Chainsaw Massacre, Blackula, Doctor Sleep, Cronos, All the Colors of the Dark, Night of the Demon, Day of the Dead, Zombie Flesh Eaters
Ernesto Gastaldi Written: All the Colors of the Dark
Film From 1932: Vampyr
WIZARD of OZ ('39)
Tobe Hooper Film: Life Force
Extra Credit: German Chainsaw Massacre, Trick or Treat, & Burn Witch Burn