Not even half-jelled whalefall idea

[james_davis_nicoll]

TTFRPG setting where from time to time the corpses of vast, incomprehensible beings float down to the surface. These and the irreplaceable resources they contain form the basis of thriving communities... until they're used up. At that point, the communities better hope for another godfall within migration distance because there is no way to sustain the communities as they are accustomed on the mundane resources of the land around them.