If the setting is broadly contemporary, then the fact that characters are witches does not disqualify it as a game with a modern environment.
As we approach the end of the year, Geek Native and DriveThruRPG are looking back at RPGs that did well.
DriveThruRPG has kindly pulled some data from their vast marketplace of RPG goodness, and we can now see which RPG titles have come out top.
These are the top ten selling modern genre RPGs, supplements and accessories published this year at DriveThruRPG.
... and who are the scary monsters?