konstantinosd, PC Gamer is remembering "the weird HeroQuest novel that combined Beowulf, Discworld, Dying Earth, and American Psycho", and I am reminded of the completely surreal Zork Chronicles by George Alec Effinger.
Here's the link: https://www.pcgamer.com/games/board-games/remembering-the-weird-heroquest-novel-that-combined-beowulf-discworld-dying-earth-and-american-psycho/