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 Bethesda Game Studios
The Elder Scrolls V: Skyrim · Fallout 3 · Fallout 4 · Starfield
medium
Feature romance options
Stardew Valley · Persona 5 · Mass Effect 2 · Fire Emblem: Three Houses
hard
Set after a civilization has already ended
Horizon Zero Dawn · Returnal · Death Stranding · Tunic
Each of these games drops you into the long quiet after the lights went out. Ruins are the level design. The story is whatever the survivors managed to leave behind.
tricky
The game manipulates your save file
NieR: Automata · OneShot · Undertale · Pony Island
Each of these games reaches outside the game world and touches your actual save data, your folder structure, or your sense of permanence. Reloading is not always an escape route.