The boundary between developed and undeveloped regions.
GeographyExplorationBoundaryHistory
Current best complexity is 7:
Frontier can be discovered in Concepts, categorized under Geography, Exploration, Boundary, History. The boundary between developed and undeveloped regions.
It has been discovered by 19 boards and crafted 59 times, first appearing 5 months ago. Frontier can be created from 36 recipes, and goes on to appear as an ingredient in 56 others.
Frontier was first discovered by Acamaeda's board 5 months ago. The lowest-complexity recipe (7) is held by orava's bored.
Related concepts worth exploring include Ocean, Mountain, Sea, Horizon, Everest, Glacier, and 6 more.