Idle Mafia Boss: Cosa Nostra v1.4.9 mod apk download with (Unlimited Gems, Money) and everything unlocked. Enjoy latest version by Find APK. Welcome to the Idle Mafia Boss: Cosa Nostra. You will play and relive the exciting history of the american mafia and rise up to become their biggest Boss ever. Idle Mafia Boss: Cosa Nostra, you can build up a powerfull organisation from the early 30s. The time of the prohibition through the decades with various business activities. Such as the production and trading of illegal alcohol, gambling, money laundering, bank robbery, secret bars and night clubs. In Idle Mafia Boss: Cosa Nostra you can also expand your ‘business’, manage and grow your mafia organisation and become allmighty and rich. Build an empire, control and run your businesses and earn tons of Idle Cash. Even when your’e offline.