- checked for codesIn The Grand Mafia, you can live the ultimate mafioso life - you take care of the family business while hiring gangsters to do your bidding (when it comes to the shady stuff, of course). With the following codes for The Grand Mafia, you can claim Gold, speed-ups and many other items that will help you build that underground empire. And if you get tired of doing mafioso business, relax and use some of these Cats and Soup codes, Cat Fantasy codes, or gift codes for Fishing Master. Step 4: Type in one of the active Grand Mafia codes and hit Exchange. New Grand Mafia codes are sometimes released on its official Facebook page , but if you want to keep up to date with all of them, just follow this page because we'll update it regularly with any new codes and the rewards they provide.