Total Annihilation/Core Tech Tree
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The bold units and structures in the column are required for production of units below them within a particular column.
| Commander | ||||
|---|---|---|---|---|
| Tier 1 Structures | Solar Collector | Energy Storage | Metal Extractor | Light Laser Tower |
| Wind Generator | Metal Storage | Metal Maker | Radar Tower | |
| KBot Lab | Vehicle Plant | Airfield | Shipyard | |
| Tier 1 Units | AK | Weasel | Fink | Searcher |
| Storm | Instigator | Avenger | Enforcer | |
| Crasher | Slasher | Shadow | Snake | |
| Thud | Raider | Valkyrie | Envoy | |
| Construction KBot | Construction Vehicle | Construction Aircraft | Construction Ship | |
| Tier 2 Structures | Gaat Gun | Gaat Gun | Gaat Gun | Tidal Generator |
| Pulverizer | Pulverizer | Pulverizer | Sonar Station | |
| Punisher | Punisher | Punisher | Torpedo Launcher | |
| Dragon's Teeth | Dragon's Teeth | Dragon's Teeth | Light Laser Tower | |
| Geothermal Powerplant | Geothermal Powerplant | Geothermal Powerplant | ||
| Advanced KBot Lab | Advanced Vehicle Plant | Advanced Aircraft Plant | Advanced Shipyard | |
| Tier 2 Units | The Can | Reaper | Vamp | Shark |
| Pyro | Pillager | Hurricane | Executioner | |
| Roach | Crock | Rapier | Warlord | |
| Spectre | Diplomat | Titan | Hive | |
| Informer | Hydra | |||
| Deleter | ||||
| Goliath | ||||
| Advanced Construction KBot | Advanced Construction Vehicle | Advanced Construction Aircraft | Advanced Construction Ship | |
| Tier 3 Structures | Intimidator | Intimidator | Intimidator | |
| Doomsday Machine | Doomsday Machine | Doomsday Machine | ||
| Silencer | Silencer | Silencer | ||
| Fortitude | Fortitude | Fortitude | ||
| Advanced Radar Tower | Advanced Radar Tower | Advanced Radar Tower | ||
| Aircraft Repair Platform | Aircraft Repair Platform | Aircraft Repair Platform | ||
| Fusion Reactor | Fusion Reactor | Fusion Reactor | ||
| Moho Mine | Moho Mine | Moho Mine | ||
