StarCraft II: Wings of Liberty is the sequel to Blizzard Entertainment's 1998 hit StarCraft, which has been hailed by players and critics worldwide as one of the top real-time strategy games of all time. Sporting a vibrant 3D-graphics engine, StarCraft II will once again center on the clash between the protoss, terrans, and zerg, with each side deploying legions of veteran, upgraded, and new unit types. Unparalleled online play for StarCraft II will be available through a new version of Battle.net, Blizzard Entertainment's world-renowned gaming service. Battle.net has been redesigned from the ground up to be the premier online gaming destination for Blizzard gamers, with several enhancements and new features, such as voice communication, cloud file storage, leagues and ladders, achievements, stat-tracking, and more.