Curse of the Chthonians contains four detailed scenarios for the Call of Cthulhu roleplaying game, plus an examination of the Kabbalistic science of Gematria—which seeks to derive secret or mystical meaning from the very letters that form the words of Scripture and occult texts.
- Dark Carnival
- Curse of the Chthonians
- Thoth's Dagger
- The City Without a Name
- The Kabbalistic Science of Cematria