Sewers of Oblivion

Sewers of Oblivion is a 1980 role-playing game adventure for "Tunnels & Trolls" published by Flying Buffalo.
Plot summary.
"Sewers of Oblivion" is an adventure in which a band of ruffians have taken the player character's treasure and magical artifacts and thrown the character into the sewers.
Reception.
W.G. Armintrout reviewed "Sewers of Oblivion" in "The Space Gamer" No. 51. Armintrout commented that "This is a marvelous creation, but my regular characters wouldn't touch it with a ten-foot pole. I recommend this only for those mythical people with seventh-level supermen!"