| Name |
 PortcullisPortcullis |
 PilasterPilaster |
 TherianosuspensorTherianosuspensor - 30Prestige
- 30Fame
- 20Plains constructability
|
 FortificationFortification |
 FortificationFortification |
 Big HoistBig Hoist - 5Plains constructability
- 15Hills constructability
- 10Mountain constructability
|
 Stone jawStone jaw - 25Hills constructability
- 25Mountain constructability
- 25Cave constructability
|
 Goods LiftGoods Lift - 10Plains constructability
- 15Mountain constructability
- 5Swamp constructability
- 10Cave constructability
|
 DerrickDerrick - 10Plains constructability
- 15Forest constructability
- 5Snow constructability
|
 High-FurnaceHigh-Furnace |
 DomeDome |
 Megalithic DomeMegalithic Dome - 30Fortification
- 20Urban constructability
- 20Plains constructability
- 20Hills constructability
- 20Mountain constructability
- 20Desert constructability
- 20Snow constructability
- 20Cave constructability
|
 DomeDome |
 Megalithic FortificationMegalithic Fortification - 30Fortification
- 20Urban constructability
- 20Plains constructability
- 20Hills constructability
- 20Mountain constructability
- 20Desert constructability
- 20Snow constructability
- 20Cave constructability
|
 TowerTower |
 TowerTower |
 Megalitic TowerMegalitic Tower - 30Fortification
- 20Urban constructability
- 20Plains constructability
- 20Hills constructability
- 20Mountain constructability
- 20Desert constructability
- 20Snow constructability
- 20Cave constructability
|