20
votes
4answers
692 views

Is it plausible to have a Player Character play as a villain against the rest of the party?

If anyone has experience running a game like this, what are some common errors to avoid and tips you would give to a GM embarking on such a campaign? Specifically I intend to have a 3 PC party with 2 ...
4
votes
1answer
171 views

Narrative options in an antique shop, old bookstore or library [closed]

I'm currently storytelling a Delta Green chronicle and, while studying various resources and scenarios, I was extremely intrigued by a scenario called "The Bookstore". That is a great opportunity to ...
11
votes
8answers
6k views

Short ideas for the development of a Call of Cthulhu campaign or brief adventure

Community wiki post. Everyone can add an answer containing a short idea for a campaign, be it an event, a characteristic of the world, an artifact or object, or an NPC character. Fellow masters can ...