This is a full port of the 1993 mac game "Pathways Into Darkness" by Bungie to the Aleph One engine. Therefore, Pathways into Darkness is now available on Windows, Linux, and Mac.
Note: You must use version 1.7 of AlephOne or newer. Download here: https://alephone.lhowon.org/download.html.
This is a little different from a typical marathon scenario, as it features:
Make sure to read the readme for important information about controls. There are some non-obvious things you need to be aware of when playing the game. If you get stuck, there is a link to some Youtube videos in the readme that can be used as a guide.