World of Warcraft: Cataclysm

World of Warcraft: Cataclysm
Developer(s)Blizzard Entertainment
Publisher(s)Blizzard Entertainment
Composer(s)
SeriesWarcraft
Platform(s)Microsoft Windows, OS X
ReleaseDecember 7, 2010
Genre(s)MMORPG
Mode(s)Multiplayer

World of Warcraft: Cataclysm is the third expansion set for the massively multiplayer online role-playing game (MMORPG) World of Warcraft, following Wrath of the Lich King. It was officially announced at BlizzCon on August 21, 2009, although dataminers and researchers discovered details before it was announced by Blizzard. The expansion was released on December 7, 2010.

Shortly after the announcement of the release date, on October 12, 2010, Blizzard implemented patch 4.0.1, which included the overhaul of the game's playing systems.