oh wow - now that you mention "the chartreuse room", that sounds SO familiar. i tried asking about it on yahoo answers once, but didn't get any helpful information. this was the other stuff that i thought i remembered (which may be way off after 25 years, who knows):
you started outside by a drawbridge, and if you ever "died" in the game, you would wake up back outside here. The first room had a cobweb in the corner, and the text description mentioned it. There was a wine cellar where you had to pick up a bottle for some reason. There was a well where a sea monster or something would jump out and attack you. There was a banquet room where a ghost would get mad at you if you sat in the king's chair. There was a ghost of a jester, and I think there might have been a ghost of a guy with a falcon.
i've been haunted by this game for years - i would die a happy man if i could remember what it was called or see some screenshots of it.
