Btw: take a look at Egerkrans 'The Undead':
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Indeed! I wouldn't be at all surprised if Fria Ligan were to release a major expansion module for Vaesen based on this book at some point, or even an entirely separate game.
But for the horror genre, CoC isn't a bad choice ... one of the very best in many ways, actually (wouldn't say its narrative is more railroaded ... rather, I'd say its system provides more depth). Not sure it
really fits the "Hammer-esque" bill, though. For that kind of stories, one might want to look at KULT perhaps ... or why not good ol' Chill?