Natural Selection 2 is the sequel to the popular Half-Life mod Natural Selection. It is built on our own engine and will be distributed through Valve's Steam platform.
Otherwise know as a Resource Tower this machine extracts Plasma & Carbon from a facilities old nozzle used at the time in it's construction to fabricate building materials. Now the TSA marines must use this old resource to fabricate their weapons to fight off the alien infestation.
You must build & protect these in order to expand and win.