Nice to see you guys helped unearth another previously unknown version of this jolly classic.
Just reminded me of the time I discovered a beta version amongst my then-existing disk collection and uploaded it on here a long time ago.
It's a good thing the WHDLoad install was brought up though, as something about it always puzzled me. JOTD acknowledged in his readme the supposed existence of a plain DOS-disk (i.e. non-MFM) budget version of the game that could be imaged with plain DIC. I acquired a disk of the GBH re-release a year or two ago, ran it through Kryoflux and was disappointed to find it was still in MFM format. Did JOTD get confused with another version, or even a crack? It would be nice to prove whether this thing exists at all or was just someone's random pipe dream.