This is going to be a bit of a rambling post - I thought I'd talk more about the 'why' of Arnthak a bit. Not the program, but the world itself - Why Arnthak is shaped the way it is, and how it's come about/evolved. First, however, a history lesson on the game itself.
Currently, I'm building the levels for Reclamation. I had most of them mostly done - they're now getting rebuilt into the new data format and readjusted for new physics engine capabilities. It's semi-painful... For instance, as this shot shows, trees are currently the bane of my goddamn existence: