The Toughest Dungeon in the World

The Toughest Dungeon in the World is a 1980 role-playing game solo adventure for "Tunnels & Trolls." It was written by Ken St. Andre and was the first "Tunnels & Trolls" adventure published by Judges Guild.
Plot summary.
The player character is a monster: A troll prowling the dungeon to amass a treasure hoard.
Reception.
Forrest Johnson reviewed "The Toughest Dungeon in the World" in "The Space Gamer" No. 35. Johnson commented that "Do you enjoy rolling dice for hours on end, even knowing the probability of a favorable outcome is very slight? [...] If you have better things to do with your time [...] there are plenty of other games on the market."