| title | media type | | ISBN-13 | year of publica-
tion | other author(s) |
|---|
| Basic Roleplaying: The Chaosium System | Paperback | | 978-1-56882-168-9 | 2003 | Greg Stafford |
| Call of Cthulhu: Horror Roleplaying in the Worlds of H. P. Lovecraft, 6th Edition | " | | 978-1-56882-181-8 | 2005 | Sandy Petersen |
| Call of Cthulhu: Horror Roleplaying in the Worlds of H. P. Lovecraft | Hardcover | | 978-1-56882-151-1 | 2004 | Sandy Peterson |
| Call of Cthulhu: Horror Role Playing in the Worlds of H. P. Lovecraft | " | | 978-1-56882-173-3 | 2004 | Sandy Petersen |
| Call Of Cthulhu: Horror Roleplaying In the Worlds Of H.P. Lovecraft | " | | 978-1-56882-148-1 | 2000 | " |
| Call Of Cthulhu: Horror Roleplaying In the Worlds Of H.P. Lovecraft | Paperback | | 978-0-933635-86-9 | 1992 | " |
| Cthulhu, Horror-Rollenspiel | Broschiert | | 978-3-930635-69-6 | 1999 | " |
| Cthulhu, Horror-Rollenspiel, limitierte Vorzugsausgabe | " | | 978-3-930635-14-6 | 1999 | Sandy Peters · Keith Herber |
| Cthulhu. Spieler-Handbuch: Rollenspiel in der Welt des H. P. Loevecraft | Gebundene Ausgabe | | 978-3-937826-94-3 | 2007 | Sandy Petersen |
| Cthulhu. Spieler-Handbuch. Rollenspiel in der Welt des H. P. Loevecraft | " | | 978-3-930635-94-8 | 2003 | Sandy Petersen · Howard Ph. Lovecraft |
| Cthulhu. Spielleiter-Handbuch | " | | 978-3-930635-95-5 | 2006 | Sandy Petersen · Howard Ph. Lovecraft |
| Cthulhu. Spielleiter-Handbuch: Rollenspiel in der Welt des H. P. Lovecraft | " | | 978-3-937826-95-0 | 2007 | Sandy Petersen |
| Dragon Lords of Melnibone: Adventuring in a Dark World of Law & Chaos (Dragon Lords of Melnibone (D20),2017,) | Paperback | | 978-1-56882-150-4 | 2001 | Charlie Krank · Richard Watts |
| Elric | Tapa blanda | | 978-84-8421-482-3 | |
| Ghostbusters: A Frightfully Cheerful Roleplaying Game | Game | | 978-0-87431-043-6 | 1986 | Sandy Petersen · Greg Stafford · Ken Rolston · Martin Wixted |
| La Crida de Cthulhu | Hardcover | | 978-84-7831-155-2 | 1996 | Sandy Petersen |
| L'appel de Cthulhu | Album | | 978-2-7408-0050-8 | 1993 | Sandy Peterson |
| Los Cazafantasmas: Un Juego de Rol Horrorosamente Divertido | Hardcover | | 978-84-7831-068-5 | 1992 | Sandy Petersen · Greg Stafford |
| Malleus Monstrorum. Quellenbuch: Kreaturen, Götter und verbotenens Wissen | Gebundene Ausgabe | | 978-3-939794-65-3 | 2008 | Scott David Aniolowski · Sandy Petersen |
| Masks of Nyarlathotep | Paperback | | 978-1-56882-329-4 | 2010 | Larry Ditillio |
| Michael Moorcook's Stormbringer | " | | 978-1-56882-152-8 | 2001 |
| Petersen's Field Guide to Cthulhu Monsters | " | | 978-0-933635-48-7 | 1988 | Sandy Petersen · Tom Sullivan |
| S. Petersen's Field Guide to Creatures of the Dreamlands | " | | 978-0-933635-53-1 | 1989 | Sandy Petersen |
| The Complete Masks of Nyarlathotep | " | | 978-1-56882-069-9 | 1996 | Larry Ditillio |
| The Keeper's Companion 2: Prohibition, Firearms, Tomes, & Creatures | " | | 978-1-56882-186-3 | 2002 |
| Thieves' World Companion | " | | 978-0-933635-34-0 | 1986 | Anders Swenson · Steve Perrin |