Se cree que está escrito por la propia semilla de Cthulhu.
| ▲Título▼ | ▲C▼ | ▲Año▽ | Autor | ▲V▼ | ▲Rel.▼ |
|---|---|---|---|---|---|
| A Guidebook to Innsmouth & Environs |    | 1992 | Kevin Ross | — | Baja |
| Optional Scene 1: The Halls of Celaeno |  | 1984 | Keith Herber | — | Media |
Chapter Five: Shanghai  | | 1984 | Larry DiTillio, Lynn Willis | — | Media |
| Chapter III: Castle Dark | | 1984 | Keith Herber | 9.00 | Baja |
| Chapter VI: By the Bay - Part I | | 1984 | Keith Herber | 6.00 | Baja |
| The Watchers of Easter Island | | 1982 | Randy McCall | — | Baja |
| The Watcher from the Sky |    | 1945 | August Derleth | 3.00 | Media |
