Grand Theft Auto VI is the biggest game of the year, decade, and quite possibly of all time, and it’s gracing the cover of Game Informer this month. I spoke with several lead designers at Rockstar Games to learn exclusive new details about its highly anticipated sequel, with a particular focus on how Rockstar brought the game’s setting and Florida parody, Leonida, to life. Our 14-page cover story features exclusive interview quotes and details of all things Vice City and Leonida.…