This is nethack.  You and your puppy (or kitten) will explore the deep
dungeons to retrieve the long-lost magical item that causes so much
trouble to anyone.

Take care, and try not to miss meals.

WWW: http://www.nethack.org/

- Satoshi
asami@cs.berkeley.edu

P.S. There is a newsgroup "rec.games.roguelike.nethack" if you are
     truly interested.