Here's another upload in a single RAR archive:
http://www.multiupload.com/6T0WWNBE8P (152.49 MB)
No longer working - see reupload below
This is the DOS version which can be run in DOSBox and circumvents some problems of the Windows version. Just extract to a folder you can access in DOSBox, then set cycles to about 20,000 and run BI.EXE to start the game.