| Tech | Unit | Class |
| Physics | |
| Artillery | |
| Archery | |
| Artillery | |
| Rocketry & Radio & Combustion | |
| Bronze Working | |
| Industrialism | |
| Radio & Flight | |
| Steel | |
| Optics | |
| Flight | |
| Construction | |
| Military Tradition & Rifling & Horseback Riding | |
| The Wheel | |
| Machinery & Archery | |
| Military Tradition & Gunpowder & Horseback Riding | |
| Combustion | |
| Corporatoin | |
| Corporation | |
| Corporation | |
| Corporation | |
| Corporation | |
| Corporation | |
| Corporation | |
| Compass | |
| Flight | |
| Chemistry & Astronomy | |
| Astronomy | |
| Sailing | |
| | Tech | Unit | Class |
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| Military Science | |
| Radio & Rocketry | |
| Rocketry & Flight | |
| Horseback Riding & Archery | |
| Rocketry & Fission | |
| Assembly Line & Rifling | |
| Steel & Steam Power | |
| Composites & Flight | |
| Guilds & Horseback Riding | |
| Feudalism & Archery | |
| Civil Service & Machinery | |
| Railroad | |
| Industrialism & Rifling | |
| Robotics & Rifling | |
| Robotics | |
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| | Tech | Unit | Class |
| Laser & Artillery | |
| Laser | |
| Composites & Computers | |
| Gunpowder | |
| Fascism & Flight & Rifling | |
| Engineering | |
| Chemistry & Astronomy | |
| Rifling | |
| Rocketry | |
| Hunting | |
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| Astronomy & Military Science | |
| Hunting | |
| Alphabet | |
| Stealth & Robotics | |
| Stealth & Robotics | |
| Radio | |
| Iron Working | |
| Fission & Rocketry | |
| Industrialism & Rifling | |
| Combustion | |
| Engineering | |
| Metal Casting & Sailing | |
| Construction | |
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| Fishing | |
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