>Throw the sack at the troll.
The troll, who is remarkably coordinated, catches the brown sack and,
hot having the most discriminating taste, gleefully eats it. The flat
of the troll's axe hits you on the head...
Welcome to Zork I: The Great Underground Empire.
It beckons you into a world fraught with danger and discovery. Using
all the cunning you can muster, you'll plunge far below the surface
of the earth in search of the incomparable treasures of Zork. But this
is no mere treasure hunt. During your amazing journey, you'll come face
to face with creatures so outlandish, they defy description. And you'll
wander through an underground domain so vast, with so many twists and
turns, it can offer you new surprises no matter how many times you explore
it.