Blizzard Entertainment officially announced the development of StarCraft II: Heart of the Swarm, the second installment in the StarCraft II trilogy.
Blizzard presented gameplay footage and details of Heart of the Swarm at BlizzCon, increasing anticipation for the game's release.
Blizzard Entertainment released StarCraft II: Heart of the Swarm, expanding the StarCraft II universe with new campaigns and multiplayer content.
Blizzard released Patch 2.0 which included significant multiplayer balance changes and updates to Heart of the Swarm alongside Legacy of the Void.