Borderlands is an open world action role-playing first-person shooter video game that was developed by Gearbox Software for PlayStation 3, Xbox 360, Microsoft Windows, Mac OS X and Shield Android TV. It is the first game in the Borderlands series. The game was released worldwide in October 2009, with the Mac OS X version of being released on December 3, 2010 by Feral Interactive. A sequel, Borderlands 2, was released worldwide in September 2012.