An underground fortress powered by Earth's natural heat.
GeothermalArchitectureEnergyStructure
Current best complexity is 11:
Geothermic Citadel can be discovered in Concepts, categorized under Geothermal, Architecture, Energy, Structure. An underground fortress powered by Earth's natural heat.
It has been discovered by 1 board and crafted 1 time, first appearing 27 hours ago. Geothermic Citadel can be created from 1 recipe, and goes on to appear as an ingredient in 1 other.
Geothermic Citadel was first discovered by Alex's board 27 hours ago. They also hold the lowest-complexity recipe, at 11.
Related concepts worth exploring include Geothermal, Skyline, Yellowstone, Combustion, Explosion, Wall, and 6 more.