Its more about analysing the actions of others. You see who voted for who, who tried to blame who and you try to figure it out.
There is also a detective role, no one knows who the detective is at first, he can privately ask the game master every second day about certain players and get to know if the guy is guilty or not. Then he can try to persuade others to vote for him but if he says he is a detective and he checked that guy then he will be killed by the mafia very quickly. So he also needs to act carefully.
Its also important to remember that if the detective asks about the mafia boss (there is always one boss and his power is he decides draws in votings) then the Game Master will tell him that the person he checked is innocent. So its a nice twist.
Should be fun.