Citadel of Fire is an adventure scenario intended for high-level player characters that takes place in a five-level dungeon located under the castle of a wizard.

The adventure details each of the rooms and other features and includes a brief historical note to assist the Dungeon Master in determining how to run the scenario.

[2] Citadel of Fire was written by Marc Summerlott and Bob Bledsaw, and was published by Judges Guild in 1978 as a 32-page book.

The designer has done a workmanlike job, but I can't help feeling that there should by now be a number of 'amateur' designers who regularly produce scenarios of equal quality for the limited audience of their own players – things have progressed a great deal since Judges' Guild material first came on the market, yet the products of the Guild have remained at about the same quality level.

"[2] Patrick Amory reviewed Citadel of Fire for Different Worlds magazine and stated that "This one is another of the Guild's earlier releases.