Spoilers ahead: for the puzzle and the movies/games
This page reveals all categories and answers for this puzzle. It also discusses plot details, story endings, and other spoilers for some of the movies/games shown.
easy
Directed by Alfred Hitchcock
Psycho · Vertigo · Rear Window · North by Northwest
medium
Won the Academy Award for Best Animated Feature
Spirited Away · Toy Story 3 · Frozen · Spider-Man: Into the Spider-Verse
hard
Score composed by Hans Zimmer
Gladiator · Dunkirk · 12 Years a Slave · Thelma & Louise
tricky
Movies with a color in the title
The Color Purple · Blue Valentine · Black Swan · A Clockwork Orange
Each title contains a color word (Purple, Blue, Black, Orange), though the films share no director, actor, genre, or decade. The connection is purely in the words.