Board Thread:General Discussion/@comment-28172712-20160410032410/@comment-28172712-20160413005612

It would be cool if in each of the 4 zones (or 3 considering the 4th zone of the Lost River has been moved to unknown on the roadmap) there was a special cavern, like this tree or the skeleton, and they all had something essential for you to leave the planet, and the final piece was in the Active Lava Zone