Last Half of Darkness 1 and 2 are finagly beeches. I can run them on my MS-DOS machine if I slow the machine way down (they have an issue where one mouse click will detect as multiple clicks which can cause text to clear away too soon). I recall the third game having a glitch that makes it unbeatable--there's a part where you're supposed to use something on a dog and it turns into a woman but whenever I played it just corrupts like hell.
There's apparently six games in the series, one a CD-ROM game just called Last Half of Darkness, which nobody seems to have an actual CD-ROM of but ISOs can be found online (I would love to have a complete boxed copy of this as it apparently came with feelies) plus two more that both have a subtitle like "The Souls of Soemthing or Other"