StarCraft II: Wings of Liberty is a military science fiction real-time strategy video game currently under development by Blizzard Entertainment as a sequel to the award-winning 1998 video game StarCraft. The game is being developed for concurrent release on Microsoft Windows and Mac OS X. StarCraft II is split into three installments: the base game with the subtitle Wings of Liberty, and two expansion packs, Heart of the Swarm and Legacy of the Void. On May 3, 2010, publisher Activision Blizzard announced that Wings of Liberty will be released worldwide on July 27, 2010.
