La Cosa Nostra is the most realistic mafia game on the internet. 
You will start your new life off as a civilian. you will have 2 options you can either join a family or you can create your own. Joining a family will place you as a associate 
and you will have to work your way up to becoming a made man in the family. You can become a caporegime and run your own crew of soldiers and associates. 
You will do criminal activities such as robbing a bank, hijacking trucks, producing drugs, going on union strikes and much more.