Greater Spire The Greater Spire is one of two Zerg Tech Tree buildings that are available after the completion of Hive. After Hive is completed, a Zerg player may choose to upgrade their Spire to a Greater Spire. After the Greater Spire is done, the Zerg player has the ability... read more

Evolution Chamber The Evolution Chamber is a structure in the Zerg Tech Tree which requires a Hatchery before it can be morphed. The Evolution Chamber is the research center for Melee Attacks, Missile Attacks, and Ground Carapace. Like all Zerg Tech Structures, when the Evolution Chamber dies it spawns a... read more

Extractor The Extractor is the Zerg building from which Drones collect Vespene Gas. The Extractor is the Zerg equivalent to the Terran Refinery and the Protoss Assimilator. Competitive Usage Besides being the fundamental Zerg building for collecting the Vespene Gas resource, the Extractor is sometimes used early game to bypass... read more

Nydus Worm The Nydus Network is a tier-two Zerg building that is used to move units quickly around the map. It requires a Lair to build and can create Nydus Worms. A Nydus Worm can be built anywhere one has vision, without need for Creep or a Drone. The worm... read more

Creep Tumor The Creep Tumor is a dedicated creep-generating building initially spawned by Queens. After a brief initialisation phase after placement, the structure automatically burrows and begins generating creep. The Creep Tumor must be placed on existing creep, and will generate new creep in a 10 square radius around itself.... read more

Hatchery The Hatchery is the heart of any Zerg Cluster. Not only does it serve as a resource gathering point and central processing facility, but it also produces the larvae from which all other Zerg are spawned. Larvae are constantly being produced and will not move away from the hatchery in which... read more

Spawning Pool The Spawning Pool is the first Zerg tech building; it unlocks Zerg's basic fighting units - Zerglings. Building the Spawning pool also unlocks the Lair, Roach Warren, Baneling Nest, Spine Crawler, Spore Crawler and the Queen. The Spawning Pool is a high priority target for the opponent, so... read more

Baneling Nest The Baneling Nest is a Zerg building that enables a Zerg player to build and upgrade Banelings. The only upgrade available at the Baneling Nest is the Centrifugal Hooks; which increases Baneling movement speed. Overview The zerg hive cluster must have a baneling nest to add the baneling... read more