Diablo III is an action role-playing video game developed and published by Blizzard Entertainment. It is the third installment in the Diablo franchise and was released in the Americas, Europe, South Korea, and Taiwan on May 15, 2012, and Russia on June 7, 2012,[4] for Microsoft Windows and OS X. A console version was released for the PlayStation 3 and Xbox 360 on September 3, 2013.[3] Versions for PlayStation 4 and Xbox One were released on August 19, 2014.[5]

In the game, players choose one of six character classes—Barbarian, Crusader, Demon Hunter, Monk, Witch Doctor or Wizard—and are tasked with defeating the Lord of Terror, Diablo.

Diablo III set a new record for fastest-selling PC game by selling over 3.5 million copies in the first 24 hours of its release,[6] and was the best selling PC game of 2012, selling more than 12 million copies during the year.[7]Across all platforms it has sold 15 million copies. Diablo III received acclaim from critics, although its digital rights management that requires an internet connection at all times,[8] in game auction house, and lack of end game content were criticized.

The expansion pack Diablo III: Reaper of Souls was released for the Windows and OS X editions of the game on March 25, 2014. For consoles the expansion pack content was released as part of the Diablo III: Ultimate Evil Edition version. It was released for the PlayStation 4, Xbox One, PlayStation 3, and Xbox 360 on August 19, 2014. Diablo III: Ultimate Evil Edition includes the original console version of Diablo III and Diablo III: Reaper of Soulsexpansion pack.[9]