6 sequels
-Halloween 2/3/4/5/Curse of Michael Myers/H20/Resurrection/Rob Zombie Remakes
6 countries
-Diabolique (France)
-Possession (Germany)
-Onibaba (Japan)
-The Wailing (South Korea)
-Kill Baby, Kill! (Italy)
-Under the Shadow (Iran)
6 decades/6 films from before 1970
-I have a personal rule to watch one thing from every decade that I haven't seen before
6 films from the following: Carpenter, Raimi, Whale, Browning, Craven, Tom Holland
-Halloween (Carpenter)
-Evil Dead (Raimi)
-The Bride of Frankenstein (Whale)
-The Unknown (Browning)
-The Hills Have Eyes (Craven)
-Fright Night (Tom Holland)
3 people eating people (non-zombie)
-The Hills Have Eyes
-Texas Chainsaw Massacre
-Raw
1 Hammer Film
-Brides of Dracula
1 Romero Dead film
-The Night of the Living Dead
1 terrible oversight (use the following link, filter out the films you've seen and picked the highest rated film from the list that you can get ahold of) letterboxd.com/films/genre/horror/by/rating/size/small/
-Diabolique

And 2 Tobe Hooper Films (There must ALWAYS be a Hooper film)
-Texas Chainsaw Massacre
-Lifeforce

EXTRA WORK: WATCH THE ORIGINAL AND REMAKE OF IT