A slot series may share a visual identity, but each release still needs to read...
https://www.rankbookmarkings.win/slot-sets-share-art-yet-each-game-may-change-at-thumb-size-or-in-small
A slot series may share a visual identity, but each release still needs to read on its own. See how thumbnails and small catalog images help, why a series name isn’t a specific title, and why you should check the rules even when the art looks familiar.