5v5 Howling abyss, ARAM style. One person on each team is selected as mafia. Mafia secretly tries to lose the game. The other 4 Nancy Drews try to differentiate between the general league baddies and the mafia. Villagers gain points by winning and guessing Mafia. Mafia optimizes points by losing and not getting caught. Monthly points ladder and the winner each month is crowned the Mafia Don.