Hatcheries

This is a gathering point for minerals and gas, and also produces all possible Zerg units.

Damage: N/A
Hit Points: 1250
Units Produced: All
Mutations: Lair Overlord Sight and Speed upgrades, and Overlord Transport ability and Hive
Upgrades Provided: N/A

• Burrowing: All creatures that inhabit the earth except the Ultralisk can bury themselves below the ground.
• Upon mutation to Liar

1. Ventral Sacs: up grades Overlords with the ability to transport other Zergs.
2. Antennas: Vastly increasing the sensory range of the Overlord.
3. Pneumatized Carapace: Upgrades the speed movement of the Overlord.

• Hive: The highest mutation of the Hachery allowing more powerful Zergs.

Spawning Pools

Essential for early troop buildup, a Spawning Pool provides the genetic material and a number of upgrades for the ravenous Zerg light infantry: the Zerglings.

Damage: N/A
Hit Points: 750
Shields: 300
Units Produced: N/A
Mutations: N/A
Upgrades Provided: Zergling Movement and Attack Speed.

• Metabolic Boost: Increases the Zergling reflexes and rate of movement.
• Adrenal Glands: Induces a kind of battle frenzy that increases the rate at which the Zerglings attack.

Evolution Chambers

Provides essential armor and weapons upgrades for the powerful Zerg ground-based troops.

Damage: N/A
Hit Points: 750
Units Produced: N/A
Mutations: N/A
Upgrades Provided: Missile Attacks, Melee Attacks, and Carapace

• Upgrade Melee Attacks: Enhances the natural weaponry of the Zergling and Ultralisk.
• Upgrade Missile Attacks: Enhances the natural weaponry of the Drone, Hydralisk, and Defliler.
• Upgrade Ground Carapace: Enhances the natural defenses of all ground-based minions of the Swarm

Hydralisk Dens

Perhaps one of the most valuable Zerg structures for early troop buildup, these provide the genetic material and a number of useful upgrades for the Zerg Hydralisk.

Damage: N/A
Hit Points: 850
Units Produced: N/A
Mutations: N/A
Upgrades Provided: Hydralisk Movement and Range

• Muscular Augments: Increases the overall speed of the Hydralisk.
• Grooved Spins: Increased missile attack range of the Hydralisk.

Spires

Essential for starting a Zerg airforce, these provide upgrades to help keep the Zerg up to par with the superiority fighters of other races.

Damage: N/A
Hit Points: 600
Units Produced: N/A
Mutations: Greater Spire (Guardian Mutation)
Upgrades Provided: Flyer Attacks and Flyer Carapace

• Flyer Attacks: Evolution enhances the natural weaponry of the Mutalisk, Guardian and Queen.
• Flyer Carapace: Evolution enhances the defenses of all aerial minions of the swarm.
• Greater Spire: Mutating to this form allows the mutation of the Mutalisk to the Guardian form.

Queen's Nests

Queen's Nests both provide the genetic material for Queen production as well as the upgrades for her horrifying special abilities.

Damage: N/A
Hit Points: 850
Units Produced: N/A
Mutations: N/A
Upgrades Provided: Spawn Broodling and Ensnare Queen abilities and increased Queen Energy

• Gamete Meiosis: Increases reproductive rate of queens parasites.
• Spawn Broodlings: Enables the Queen to infest her enemies with a spore then errupts and attacks near by units.
• Parasite: By attaching tiny Parasite to enemy Zerg can see through the eyes of infested victim.
• Ensnare: Queen vomits spores slowing down any unit that it comes in contact with.
• Infestation: By infesting Terran Command Center brings forth the Infest Terran into the swarm

Creep Colonies

These buildings both provide creep that can house additional Zerg structures and, with a mutation, can be particullarly effective "auto-defense" systems.

Damage: Sunken Colony: 30, Spore Colony: 15
Hit Points: 400
Units Produced: N/A
Mutations: Sunken Colony, Spore Colony
Upgrades Provided: N/A

• Spore Colony: Detects cloaked, concealed units and launches a corrosive mixture at enemy air units.
• Sunken Colony: Grows multiple tendrils that attack ground forces near the creep.

Defiler Mounds

From this organic poison comes the various venoms that are used by the Defiler as weapons against the enemies of the Swarm

Damage: N/A
Hit Points: 500
Units Produced: N/A
Mutations: N/A
Upgrades Provided: Plague and Consume Defiler Abilities, and increased Defiler Energy

• Metasynaptic Node: This mutation increases the rate at which bio-toxins are secreted.
• Dark Swarm: The Difiler discharges a thick cloud of parasitic creatures that negate all ranged attacks that pass through it.
• Plague: The Defiler releases acidic toxins that cause damage to anyone trapped within the corrosive cloud.
• Consume: By devouring members of its own Brood, the Defiler can absorb the vital energies of its victims.