A slot series can look consistent across releases, but thumbnails and small...

https://rapid-wiki.win/index.php/What_Should_a_Slot_Series_Keep_the_Same_Across_Releases:_Lettering,_Character,_or_Objects%3F

A slot series can look consistent across releases, but thumbnails and small catalog images don’t tell the whole story. Learn to tell a series name from a specific title, and check each game’s rules even when the art feels familiar.