Urban Fantasy: Fantasy set in a city
High Fantasy: Fantasy set in the mountains
Low Fantasy: Fantasy set in the Netherlands
Fantasy of Manners: Fantasy set in manors
Epic Fantasy: Fantasy in the form of a lengthy narrative poem
Fairy Tale Fantasy: Fantasy about fairies with tails
Science Fantasy: Science fiction but there’s an annoying pedant in the seat behind you saying that it’s fantasy because FTL travel isn’t real plus the Force, what about that
Sword and Sorcery: The party must include a magic user, a cleric, a fighter, and a thief
Weird Fiction: Like, the characters know they’re in a book and some of the text is upside down and stuff like that
Steampunk: Everyone has cybernetic enhancements but get this, they’re CLOCKWORK
Dieselpunk: Like Steampunk, but the cybernetic enhancements require diesel fuel
Mythpunk: Like Steampunk, but the cybernetic enhancements have tiny gods in them
Grimdark: When the superheroes change their costumes so that now they’re in dark colors, weird
Magic Realism: Like when your aunt actually believes that if you put the knife under the crystal pyramid, it will totally get sharper
Paranormal Romance: Fantasy with naughty bits
Young Adult Fantasy: One of the above genres marketed to a group that will actually buy it