Where Chaos Reigns is a 1985 adventure module for the Dungeons & Dragons roleplaying game.

Where Chaos Reigns is an adventure in which the player characters time travel to four alternate realities to save their own reality.

[1] The player characters are chosen by mysterious forces to fix a breakdown in reality.

For example, flowers bloom out of season, fish fall out of the sky and the moon has turned blue.

CM6 Where Chaos Reigns was written by Graeme Morris with Jim Bambra and Phil Gallagher, with a cover by Brian Williams and interior illustrations by Jez Goodwin, and was published by TSR in 1985 as a 24-page booklet with an outer folder.