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
Nintendo Switch launch titles
The Legend of Zelda: Breath of the Wild · 1-2-Switch · Super Bomberman R · Snipperclips
medium
Originally released for Dreamcast
Jet Set Radio · Sonic Adventure · Shenmue · Space Channel 5
hard
Games built around a time loop
Outer Wilds · Returnal · The Forgotten City · Deathloop
These games are not just about time travel. Their core structure depends on the player learning across repeated cycles of the same timeline.
tricky
WORLD appears in the title
Super Mario World · Another World · World of Goo · The World Ends with You
The aha is that all four titles visibly contain WORLD, but in different positions and across very different genres, so the set does not read as a thematic cluster first.