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
Developed by Capcom
Resident Evil 4 · Street Fighter II · Mega Man X · Monster Hunter: World
medium
Designed for couch co-op
It Takes Two · A Way Out · Overcooked · Lovers in a Dangerous Spacetime
hard
Immersive sims
Deus Ex · Dishonored · Thief: The Dark Project · System Shock 2
Each of these games gives you a problem and a sandbox of overlapping systems, then steps back. You can sneak past the guard, hack the camera, drop through the vent, or talk your way through. The level designers planned for all of it, and a few things they did not.
tricky
Swap protagonists partway through
Grand Theft Auto V · Heavy Rain · The Last of Us Part II · Metal Gear Solid 2: Sons of Liberty
Each of these games hands you a main character, lets you settle in, then yanks the controller and asks you to play as someone else. Sometimes a friend, sometimes a rival, sometimes the person you were just trying to kill.