The URL that came with it led to a decidedly dubious webpage:
I finally bit the bullet and stuck the disc into a disc drive and imaged it to my DataCentre -- the disc didn't seem to be protected in any way.
The disc seems to contain a game with the same name as the one mentioned on that webpage: "The SIGMA Experiment". And here's the .SSD disc-image I created from Lee's rather suspicious floppy:
[Direct download transferred to bbcmicro.co.uk. Attached .SSD had been downloaded 17 times.]
Play the game online:
Does anyone know anything more about this game -- like who really wrote it? Anyone..? (Lee, I'm looking at you..!)