| Title | Pages | Publication | Code | Date | Publisher | System (Setting) |
|---|
 The Journal of Father Klenner | Dec 2003 |  shoggoth.net | | | Self Published | Call of Cthulhu (Classic), Advanced Dungeons and Dragons (Ravenloft) | |
 The Mechanics of Fear and Madness | 44-51 |  RPG Review | 7 | Mar 2009 | Self Published | Chill, Little Fears, GURPS, Vampyre the Masquerade, Call of Cthulhu (Classic), Kult, Trail of Cthulhu, Advanced Dungeons and Dragons (Ravenloft) | |
| Osterhase | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Invictus), Paranoia, Call of Cthulhu (Classic), Call of Cthulhu (Strange Aeons) [Future], Star Wars, Call of Cthulhu (Gaslight), GURPS, Call of Cthulhu (Now), Advanced Dungeons and Dragons (Ravenloft) | |
| Otherworldly Patron: The Great Cthulhu | |  Otherworldly Patron: The Great Cthulhu | | 2020 | Self Published | Advanced Dungeons and Dragons (Ravenloft) | |
