It seems that licenses cannot be free for such a long time. As far as I can tell from my partners in Ukraine, the market has gradually stabilized. But still, I hope that someone more competent will answer your question because I am also interested to...
Wooh. Many evenings I've spent with this game. I was at John Romero's comic-con speech, and he talked about his game plans. Unfortunately, it's all just talk. Thanks for bringing back some good memories.