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
Starring Tilda Swinton
Michael Clayton · Only Lovers Left Alive · I Am Love · Memoria
medium
Set in Tokyo
Tokyo Story · Enter the Void · Like Father, Like Son · The Fast and the Furious: Tokyo Drift
hard
Films that unfold in real time
High Noon · Cleo from 5 to 7 · Nick of Time · Silent House
Each of these movies runs its story in something close to actual minute-for-minute time. The clock on screen and the clock on your wrist line up, and the tension comes from watching them both tick down together.
tricky
Title contains a body part
My Left Foot · Scarface · Body Heat · The Hand That Rocks the Cradle
Read the titles literally. Foot, face, body, hand. The link is the word hiding in plain sight, not anything about the films themselves.