Protoss Technology Tree - Basic Structures
| Nexus |
Requires: Nothing |
| Assimilator |
Requires: Nothing |
| Pylon |
Requires: Nexus |
| Gateway |
Requires: Nexus |
| Forge |
Requires: Nexus |
| Shield Battery |
Requires: Gateway |
| Cybernetics Core |
Requires: Gateway |
| Photon Cannon |
Requires: Forge |
Protoss Technology Tree - Advanced Structures
| Robotics Facility |
Requires: Cybernetics Core |
| Stargate |
Requires: Cybernetics Core |
| Citadel of Adun |
Requires: Cybernetics Core |
| Robotics Support Bay |
Requires: Robotics Facility |
| Observatory |
Requires: Robotics Facility |
| Templar Archives |
Requires: Citadel of Adun |
| Fleet Beacon |
Requires: Stargate |
| Arbiter Tribunal |
Requires: Stargate |
Terran Technology Tree - Basic Structures
| Command Center |
Requires: Nothing |
| Comsat Station |
Add-On To: Command Center |
| Nuclear Silo |
Add-On To: Command Center |
| Refinery |
Requires: Nothing |
| Supply Depot |
Requires: Command Center |
| Engineering Bay |
Requires: Command Center |
| Barracks |
Requires: Command Center |
| Missile Turret |
Requires: Engineering Bay |
| Academy |
Requires: Barracks |
| Bunker |
Requires: Barracks |
Terran Technology Tree - Advanced Structures
| Factory |
Requires: Barracks |
| Machine Shop |
Add-On To: Factory |
| Armory |
Requires: Factory |
| Starport |
Requires: Factory |
| Control Tower |
Add-On To: Starport |
| Science Facility |
Requires: Starport |
| Physics Lab |
Add-On To: Science Facility |
| Covert Ops |
Add-On To: Science Facility |
Zerg Technology Tree - Basic Structures
| Hatchery |
Requires: Nothing |
| Extractor |
Requires: Nothing |
| Spawning Pool |
Requires: Hatchery |
| Evolution Chamber |
Requires: Hatchery |
| Creep Colony |
Requires: Hatchery |
| Sunken Colony |
Mutated From: Creep Colony |
| Spore Colony |
Mutated From: Creep Colony |
| Hydralisk Den |
Requires: Spawning Pool |
Zerg Technology Tree - Advanced Structures
| Lair |
Mutated From: Hatchery |
| Spire |
Requires: Lair |
| Greater Spire |
Mutated From: Spire |
| Queen's Nest |
Requires: Lair |
| Hive |
Mutated From: Lair |
| Nydus Canal |
Requires: Hive |
| Deflier Mound |
Requires: Hive |
| Ultralisk Cavern |
Requires: Hive |
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