Angelman wrote:It could be a little difficult to pull off without the players suspecting something, but it would be a very cool game, I think
I have contemplated doing something similar with Call of Cthulhu - just running it as a historic horror or even period drama thing, until the Cthulhu Mythos suddenly starts interfering. Might be fun
A friend always narrates how his favourite ever Call of Cthulhu game was played as a "Gangbusters" 1920s underworld game. When they discovered the unspeakable Eldritch horror behind it all it took the players completely by surprise and worked perfectly.