Defects and improvements you can add to your Gear. There were trees in Mechwarrior3, but the trees here are more real feeling. And there are more of them. Snow, rain, lightning, water, its all here. The graphics aren't quite as good as Mechwarrior3's, but they sure aren't bad.
Controls take a bit to get used to, but they seem to make sense after a while.
I rate this as an 8 on my great distractions chart. 1995-2000 Developer Shed, Inc . In our humble opinion.