Hey cant believe this ones been under the radar for me for so long! Its a sci fi one but has fully fledged quests and heck good first impressions, I think its name is what may have caused people to not try it(Sounds a crazy theory I know but name doesnt jump out at you )

Btw it has sound , its called

3059

http://people.umass.edu/jvight/3059/index.html

No some of you appreciate roguelikes with a plot so I figure I would share this, just found it 5 mins ago