Right, so it's going to be a bit... different. If that's okay.
Secret vote mafia. All lynches are PM'd to the GM, not posted in thread. I've done this one before. Usually works pretty well.
EDIT: THAT or I really want to do a bastard mafia. But idk if the people are ready for that madness.
EDIT OF EDIT: That or what I call take a number mafia...I think I will do that. You'll see it when I post.