Hard to do for just one category.
Comedy
Fast Times at Ridgemont High (personal #1)
16 Candles
Vacation / Christmas Vacation
Ferris Buellers Day Off
Caddy Shack
Better Off Dead
others- Used Cars (sentimental), Beverly Hills Cop, Harlem Nights, Airplane, Do The Right Thing (not really a comedy).
Action / Adventure / Other
First Blood
Scarface
Full Metal Jacket
Mississippi Burning
The Outsiders (my Favorite)
Others- Purple Rain, Risky Business, Colors, The Killing Fields, Breakfast Club, Rain Man, Color of Money, Elephant Man.
Horror
Nightmare on Elm Street
Children of The Corn
Friday The 13th
The Shining
Texas Chainsaw Mas.
Others That if on, I will watch - Halloween 2, Pet Sematary, Cujo, Any Which Way You Can, To Live and Die in LA, The Karate Kid, The Great Outdoors, Uncle Buck, The Naked Gun (missed this one, but was not redoing list), Stripes, History of the World Part 1, Police Academy, Dirty Dancing, Blue Lagoon (only because as a 12 year old I beat it like it owed me money to Brooke Shields swimming naked). GD still can picture her, Number 1 crush as a pre-teen. (Christie Brinkley and Farrah Fawcett a close 2nd) I am sure I left out dozens of movies, 80's was the ****.