Corresponds as closely as possible to the rules in #mafia on irc.xkcd.com

#mafia-4: http://www.epicmafia.com/lobby/setup/25750

#mafia-5: http://www.epicmafia.com/lobby/setup/25751

#mafia-6: http://www.epicmafia.com/lobby/setup/25752

(Note that 6-player #mafia is slightly different from this EM version: In #mafia, mort-like finds out role of nightkill at daybreak automatically)