I was able to actually play glAnts. I played it in Wine under linux. It rant at 300 fps. The windows-windows version ran at 30fps. I didn't run the newer "linux" source. I compiled but it didn't run.
Well, here is the video if you are interested.
A description of the demo and other older code from my 2000-2003 years.
The video, 20MB of my little game. The 2D one was better.