A search on the internet uncovered the website of Christian Boutin, the man who wrote the game back in 1994 and still has it available for download (complete with a speech pack for SoundBlaster users, too

So, without further ado, here's the link for the discerning patrons of the Drunken Lizard Pub. Some of the final screenshots on the game's site contain spoilers. Works great with DOSBox.
Christian's site also has the sequel to the original game, Flame Storm, which I never played but intend to now, as well as several other interesting projects that might be worth checking out.