It looks so pretty, even changed the sound, awesome!

You say that, but right now they biters do not apply themselves. They're more of an environmental threat than a directed one, even on pretty high biter count. While biter variety would be great, different biter behaviour can also make a VAST difference :) Speaking of that, would be nice to have an ...

Maybe it will help if there is added a new mid-late game tech with hefty science cost, call it Advanced Combat Turret Research and it unlocks two recipes. One for concrete reinforcing that you can build over your existing gun turret(s) (+4 Concrete + 1 Steel as extra production costs - restricted on...