Software Adventure Games - Zork Nemesis

Description:

"In a desolate corner of the Underground Empire, an evil demon torments the land. Evil rules the Forbbiden Lands.
Here, the souls of the Empire's great alchemists lie in perpetual hell...
at the hands of the Nemesis. Now the forces of the Underground beckon you to uncover the mystery behind the Nemesis' curse...
Travel through five mind-bending worlds to discover the ancient secret of Alchemy that will free the trapped souls from evil's grip...
before the Nemesis imprisons you with the others...
for eternity. Do you dare enter the Forbbiden Lands? "