This huge interconnected map could then be seamlessly explored, creating one gigantic open-world Rockstar Games experience. GTA: Underground expanded San Andreas' map using cities from other Rockstar Games titles such as GTA: Vice City, GTA III, Bully and Manhunt. An ongoing Grand Theft Auto: San Andreasmodding project, titled GTA: Underground, has ceased development after hostility against modders from series owner Take-Two Interactive.
