Slowly undoes pollution damage to trees, if the pollution in their chunk is below the threshold at which they start taking damage. Makes forests pretty again once you stop choking the world in coal fumes.
Small changes concerning balance, gameplay, or graphics.
Adds a form of artillery that is considerably worse, but available much earlier. Less accurate, less damaging, generally less useful; but also less costly and less hassle to obtain. It won't save you from yourself if you leave setting up your defenses too long, but it might save you a headache if you can successfully crank out a handful of grey flasks between biter attacks.
Mods introducing new content into the game.
Continuously removes biter creep decals that aren't near a biter nest (or the mound of corpses left behind after destroying one). Performance impact should be pretty low but can be reduced further by adjusting settings if necessary.
Small changes concerning balance, gameplay, or graphics.
Continuously removes nuclear scorch marks by slowly changing the scorched tiles to match their surroundings.
Small changes concerning balance, gameplay, or graphics.