Adds regrowing trees and respawning fish.
Mods introducing new content into the game.
Map generation and terrain modification.
I did take a look at the new/changed tech (found 3) and there is something tha looks like a duplicate. https://imgur.com/a/pxQkMs3
That's leftover from before I wasn't sure if I wanted it to be its own tech, whoops. I'll take out the Adv. Oil one.