Hey its just some tweaks i made for myself and others i play with (thats why i uploaded it here) for less frustrating high difficulty gameplay.
its not really balanced yet but what it mainly does is make trains heavy and powerful enough to run over any sort of biters and shift pollution from miners to other things so the bugs actually focus the main base more along with some other minor changes like stronger, more expensive walls and lights and more durable biters with less damage.
you can just look at the data-updates.lua, i commented all the changes with vanilla values for comparison
