the first RPG I played [other than pencil&paper @ end of 70's] was more of a 'TEXT Based M.U.D.
this was back @ 1982/3; and it played on a regular 'Magnetic-Cassette-Tape Recorder'. as such; it had no memory [ram or hard].
awfull & frustrating as it was in that one had to re-load the whole tape...
to all en' sundry,
to get the most easy+straight-forward install on MAC OSX... do so using WINESKIN [I have the latest WINESKIN Vs Installed on the latest MAC OSX El Capitan 10.11.6]: it gives the fullest\most satisfying install\play experience... particularly without 'Slow-Game...