At least there's just one solution for me at this moment: I started a new game and my fps were at about 140. It seems that interacting with the world (e.g. collecting corals, building a base, catching fishes) decreases the framerate the longer you p…
In my context there is no coherency regarding FPS and saving the Game - sometimes I play 2-3 hours and save after that - sometimes I save every few minutes. The effect of the FPS going down seems to be in correlation to the duration of playing one g…
I personally did not fell though the world, but when I leave my base through a vertically hatch and there is an exteriour growbed in front of the hatch, I start walking under the ground, but not falling downwards. My only way out is to go back throu…