StarCraft II: Heart of the Swarm is the first expansion to the 2010 release of the heralded Real-Time strategy game, StarCraft II: Wings of Liberty.* Heart of the Swarm features a new campaign continuing the epic story of Sarah Kerrigan, Queen of Blades, as she gathers the remnants of the Zerg Swarm and plots her revenge against the treacherous dictator of the Koprulu sector, Arcturus Mengsk. It also introduces several new multiplayer units and features that enhance the acclaimed StarCraft II online experience.