A mad tyrant rules an enchanted isle and challenges travelers to a contest of riddles. Those that fail the trial are transformed into one-eyed monsters. Will you survive the riddles of the cyclopes?

Riddles of the Cyclopes is an adventure for four to six characters of 5th level. It can be played as a standalone adventure or as part of an ongoing campaign. It includes a collection of riddles that can be adapted and used independently. This document also includes setting-specific adventure hooks and epilogues that can be used to easily place this adventure in the Eberron, Forgotten Realms, and Theros campaign settings.