Mafia doesn't know which setup it is due to roles so it's a mystery to all.
Town: If a GS exists, they MUST claim quickly D1 and out who they gave the gun to if they gave a gun. The game is not over if you gave a gun to maf N1, trust me. If a bomb exists, do not claim D1, claim on lylo (whether it be D2 or later). Cop claims (assuming doc is alive) if no GS claims. If doc isn't alive, cop claims with guilty. Whisper claims to whatever clear claims. Always beware of guises.

Scum: Guising quickly is good for mafia, if you can pull it off. If you get a gun, try not to use it until town tells you to. Holding it until lylo is great for mafia. But if town catches you with it, act town and shoot whoever they ask you to, even your buddy (no misclick crap works). Lawyer always on stalker. Stalker is trying to find bomb, or determining setup by finding GS.