| Title | Pages | Publication | Code | Date | Publisher | System (Setting) |
|---|
 Artifacts | 123-132 |  H P Lovecraft's Book of Yog-Sothery | cr5061 | 2023 | Cthulhu Reborn | APOCTHULHU, Cthulhu Eternal, Fhtagn | |
 Assault of the Mind Slaves | | Assault of the Mind Slaves | | Apr 2026 | Twin Engine Publishing | Cthulhu Eternal | |
| The Baleful Flood | 286-287 |  Convicts and Cthulhu RPG Core Rules | cr6300 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | Australia |
| A Beginner's Guide to Convict-Era Australia | 11-14 | Convicts and Cthulhu Quickstart Rules | cr6301 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| A Beginner's Guide to the 24th Century Kuiper Belt | 11-14 | Eldritch Horizon Quickstart Rules | cr6501 | Nov 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| The Bitter Jungle | | The Bitter Jungle | cr5207 | Apr 2023 | Cthulhu Reborn | Cthulhu Eternal | Belize; 1922 |
| The Bitter Jungle | | The Bitter Jungle / Thunder God's Curse | cr6003 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | Belize; 1922 |
| Bottoms Up! | | Bottoms Up! | cr5206 | Aug 2022 | Cthulhu Reborn | Cthulhu Eternal | Arkham |
| Cobwebs of Death | 5-11 | Cobwebs of Death | | Apr 2023 | Twin Engine Publishing | Cthulhu Eternal | San Francisco; 1920s |
| Cold Castaway | 46-65 | Eldritch Horizon Quickstart Rules | cr6501 | Nov 2025 | Cthulhu Reborn | Cthulhu Eternal | Solar System |
 Combat | 45-62 | Cthulhu Eternal: Cold War Era | cr5004 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Combat | 43-59 | Cthulhu Eternal: Jazz Age | cr5002 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Combat | 44-60 | Cthulhu Eternal: Modern Age | cr5003 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Combat | 43-59 | Cthulhu Eternal: Victorian Era | cr5001 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Combat | 50-66 | Cthulhu Eternal: Age of Revolutions | cr5005 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Combat | 44-62 | Cthulhu Eternal: World War II | cr5006 | 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Combat | 47-64 | Cthulhu Eternal: Medieval | cr5008 | May 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Combat | 46-63 | Cthulhu Eternal: Future | cr5010 | Oct 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Combat | 42-60 | Cthulhu Eternal: World War I | cr5009 | Sep 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Combat | 45-61 | Cthulhu Eternal: Classical Era | cr5011 | Jun 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Combat | 49-67 | Cthulhu Eternal: Age of Sail | cr5012 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Combat | 38-41 | Convicts and Cthulhu Quickstart Rules | cr6301 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| Combat | 38-41 | Eldritch Horizon Quickstart Rules | cr6501 | Nov 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| Combat | 49-67 | Cthulhu Eternal: Elizabethan | cr5013 | Jan 2026 | Cthulhu Reborn | Cthulhu Eternal | |
 Conversion Pack: "In The Shadows" | | Conversion Pack: "In The Shadows" | cr1001ce | Feb 2026 | Cthulhu Reborn | Cthulhu Eternal | |
| Core Game Concepts | 5 | Cthulhu Eternal: Cold War Era | cr5004 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Core Game Concepts | 4 | Cthulhu Eternal: Jazz Age | cr5002 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Core Game Concepts | 4 | Cthulhu Eternal: Modern Age | cr5003 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Core Game Concepts | 4 | Cthulhu Eternal: Victorian Era | cr5001 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Core Game Concepts | 6 | Cthulhu Eternal: Age of Revolutions | cr5005 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Core Game Concepts | 4 | Cthulhu Eternal: World War II | cr5006 | 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Core Game Concepts | 5 | Cthulhu Eternal: Medieval | cr5008 | May 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Core Game Concepts | 4 | Cthulhu Eternal: Future | cr5010 | Oct 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Core Game Concepts | 3 | Cthulhu Eternal: World War I | cr5009 | Sep 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Core Game Concepts | 3 | Cthulhu Eternal: Classical Era | cr5011 | Jun 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Core Game Concepts | 6 | Cthulhu Eternal: Age of Sail | cr5012 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Core Game Concepts | 6 | Cthulhu Eternal: Elizabethan | cr5013 | Jan 2026 | Cthulhu Reborn | Cthulhu Eternal | |
| Creating a Protagonist | 15-21 | Convicts and Cthulhu Quickstart Rules | cr6301 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| Creating a Protagonist | 15-21 | Eldritch Horizon Quickstart Rules | cr6501 | Nov 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| Cults | 67-80 | H P Lovecraft's Book of Yog-Sothery | cr5061 | 2023 | Cthulhu Reborn | Cthulhu Eternal, Fhtagn, APOCTHULHU | |
| Cults with Mythos Associations | 55-64 | The Open Cthulhu Mythos | cr5007 | 2023 | Cthulhu Reborn | Fhtagn, APOCTHULHU, Cthulhu Eternal | |
| Dead Flowers | | Dead Flowers | cr5402 | Nov 2023 | Cthulhu Reborn | Cthulhu Eternal | Australia; 1982; New Year's Eve |
| Designing New Archetypes | 95-97 | Cthulhu Eternal: Cold War Era | cr5004 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Designing New Archetypes | 91-93 | Cthulhu Eternal: Jazz Age | cr5002 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Designing New Archetypes | 92-94 | Cthulhu Eternal: Modern Age | cr5003 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Designing New Archetypes | 90-92 | Cthulhu Eternal: Victorian Era | cr5001 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Designing New Archetypes | 98-100 | Cthulhu Eternal: Age of Revolutions | cr5005 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Designing New Archetypes | 96-98 | Cthulhu Eternal: World War II | cr5006 | 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Designing New Archetypes | 94-96 | Cthulhu Eternal: Medieval | cr5008 | May 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Designing New Archetypes | 104-106 | Cthulhu Eternal: Future | cr5010 | Oct 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Designing New Archetypes | 92-94 | Cthulhu Eternal: World War I | cr5009 | Sep 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Designing New Archetypes | 91-93 | Cthulhu Eternal: Classical Era | cr5011 | Jun 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Designing New Archetypes | 104-106 | Cthulhu Eternal: Age of Sail | cr5012 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Designing New Archetypes | 104-106 | Cthulhu Eternal: Elizabethan | cr5013 | Jan 2026 | Cthulhu Reborn | Cthulhu Eternal | |
| Downtime | 81-84 | Cthulhu Eternal: Cold War Era | cr5004 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Downtime | 76-80 | Cthulhu Eternal: Jazz Age | cr5002 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Downtime | 77-81 | Cthulhu Eternal: Modern Age | cr5003 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Downtime | 76-79 | Cthulhu Eternal: Victorian Era | cr5001 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Downtime | 84-87 | Cthulhu Eternal: Age of Revolutions | cr5005 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Downtime | 81-85 | Cthulhu Eternal: World War II | cr5006 | 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Downtime | 80-83 | Cthulhu Eternal: Medieval | cr5008 | May 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Downtime | 82-85 | Cthulhu Eternal: Future | cr5010 | Oct 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Downtime | 79-82 | Cthulhu Eternal: World War I | cr5009 | Sep 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Downtime | 77-80 | Cthulhu Eternal: Classical Era | cr5011 | Jun 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Downtime | 90-93 | Cthulhu Eternal: Age of Sail | cr5012 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Downtime | 45-47 | Convicts and Cthulhu Quickstart Rules | cr6301 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| Downtime | 45 | Eldritch Horizon Quickstart Rules | cr6501 | Nov 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| Downtime | 90-93 | Cthulhu Eternal: Elizabethan | cr5013 | Jan 2026 | Cthulhu Reborn | Cthulhu Eternal | |
| Downtime Events Generator | | Downtime Events Generator | | Sep 2024 | Chaosium | Cthulhu Eternal | |
| Dream Sequence | 290-292 | Convicts and Cthulhu RPG Core Rules | cr6300 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | Australia |
| Equipment | 63-67 | Cthulhu Eternal: Cold War Era | cr5004 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Equipment | 60-64 | Cthulhu Eternal: Jazz Age | cr5002 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Equipment | 60-65 | Cthulhu Eternal: Modern Age | cr5003 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Equipment | 59-63 | Cthulhu Eternal: Victorian Era | cr5001 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Equipment | 66-71 | Cthulhu Eternal: Age of Revolutions | cr5005 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Equipment | 62-67 | Cthulhu Eternal: World War II | cr5006 | 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Equipment | 64-68 | Cthulhu Eternal: Medieval | cr5008 | May 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Equipment | 64-68 | Cthulhu Eternal: Future | cr5010 | Oct 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Equipment | 60-64 | Cthulhu Eternal: World War I | cr5009 | Sep 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Equipment | 61-65 | Cthulhu Eternal: Classical Era | cr5011 | Jun 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Equipment | 67-71 | Cthulhu Eternal: Age of Sail | cr5012 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Equipment | 67-71 | Cthulhu Eternal: Elizabethan | cr5013 | Jan 2026 | Cthulhu Reborn | Cthulhu Eternal | |
| Fallen Stars | 48-68 | Convicts and Cthulhu Quickstart Rules | cr6301 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | Australia; December; 1799 |
| Fathoms Below | | Fathoms Below | cr5701 | Aug 2024 | Cthulhu Reborn | Cthulhu Eternal | Atlantic Ocean; 1962 |
| Flesh for Yog-Sothoth | | Flesh for Yog-Sothoth | | Mar 2024 | Chaosium | Cthulhu Eternal | 1920s |
| The Game | 39-45 | Cthulhu Eternal: Cold War Era | cr5004 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| The Game | 37-43 | Cthulhu Eternal: Jazz Age | cr5002 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| The Game | 37-43 | Cthulhu Eternal: Modern Age | cr5003 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| The Game | 37-43 | Cthulhu Eternal: Victorian Era | cr5001 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| The Game | 43-49 | Cthulhu Eternal: Age of Revolutions | cr5005 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| The Game | 37-44 | Cthulhu Eternal: World War II | cr5006 | 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| The Game | 41-47 | Cthulhu Eternal: Medieval | cr5008 | May 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| The Game | 40-46 | Cthulhu Eternal: Future | cr5010 | Oct 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| The Game | 36-42 | Cthulhu Eternal: World War I | cr5009 | Sep 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| The Game | 38-45 | Cthulhu Eternal: Classical Era | cr5011 | Jun 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| The Game | 42-49 | Cthulhu Eternal: Age of Sail | cr5012 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| The Game | 42-49 | Cthulhu Eternal: Elizabethan | cr5013 | Jan 2026 | Cthulhu Reborn | Cthulhu Eternal | |
| Game System | 35-37 | Convicts and Cthulhu Quickstart Rules | cr6301 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| Game System | 35-37 | Eldritch Horizon Quickstart Rules | cr6501 | Nov 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| Ghosts of the North | 284-285 | Convicts and Cthulhu RPG Core Rules | cr6300 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | Australia; 1807; June |
| The Ghosts of Vinegar Hill | 277-279 | Convicts and Cthulhu RPG Core Rules | cr6300 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | Australia; 1800s |
| GM Resources | 191-264 | Convicts and Cthulhu RPG Core Rules | cr6300 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| Gumshoe Creature Conversions | 102-103 | Cthulhu Eternal: Cold War Era | cr5004 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Gumshoe Creature Conversions | 98-99 | Cthulhu Eternal: Jazz Age | cr5002 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Gumshoe Creature Conversions | 99-100 | Cthulhu Eternal: Modern Age | cr5003 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Gumshoe Creature Conversions | 97-99 | Cthulhu Eternal: Victorian Era | cr5001 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Gumshoe Creature Conversions | 105-106 | Cthulhu Eternal: Age of Revolutions | cr5005 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Gumshoe Creature Conversions | 103-104 | Cthulhu Eternal: World War II | cr5006 | 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Gumshoe Creature Conversions | 101-102 | Cthulhu Eternal: Medieval | cr5008 | May 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Gumshoe Creature Conversions | 111-112 | Cthulhu Eternal: Future | cr5010 | Oct 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Gumshoe Creature Conversions | 99-100 | Cthulhu Eternal: World War I | cr5009 | Sep 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Gumshoe Creature Conversions | 98-99 | Cthulhu Eternal: Classical Era | cr5011 | Jun 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Gumshoe Creature Conversions | 111-112 | Cthulhu Eternal: Age of Sail | cr5012 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Gumshoe Creature Conversions | 111-112 | Cthulhu Eternal: Elizabethan | cr5013 | Jan 2026 | Cthulhu Reborn | Cthulhu Eternal | |
| Help Wanted | | Help Wanted | cr5202 | 2022 | Cthulhu Reborn | Cthulhu Eternal | Arkham; Nyogtha |
| The Hinterland Monster | 288-289 | Convicts and Cthulhu RPG Core Rules | cr6300 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | Australia |
| The House on the Promontory | | The House on the Promontory | cr5209 | Oct 2024 | Cthulhu Reborn | Cthulhu Eternal | Massachusetts; 1920 |
| The House on the Promontory | | The House on the Promontory / Dark Visitations | cr6001 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | Massachusetts; 1920 |
| Introduction | 1-4 | H P Lovecraft's Book of Yog-Sothery | cr5061 | 2023 | Cthulhu Reborn | Fhtagn, APOCTHULHU, Cthulhu Eternal | |
| Introduction | 2-10 | Convicts and Cthulhu RPG Core Rules | cr6300 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| Invisible Fires | | Invisible Fires | | Dec 2023 | Librarians and Leviathans | Cthulhu Eternal | Nebraska; July; 2022 |
| Known Unknowns | | Known Unknowns | cr5404 | May 2024 | Cthulhu Reborn | Cthulhu Eternal | Australia; January; 1951 |
| The Lights of Botany Bay | 280-283 | Convicts and Cthulhu RPG Core Rules | cr6300 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | Australia; 1804 |
| The Lord of Nombrecht | | The Lord of Nombrecht | cr5301 | May 2023 | Cthulhu Reborn | Cthulhu Eternal | Germany |
| Lords of the Night | 5-20 | Lords of the Night | | Aug 2023 | Twin Engine Publishing | Cthulhu Eternal | 1920s |
| The Machine King | | The Machine King / Starlight on the Gutter | cr6004 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | London; 1890s |
| The Machine King | | The Machine King | cr3006ce | Dec 2025 | Cthulhu Reborn | Cthulhu Eternal | London; 1890s |
| Maddening Revelations | 85-90 | Cthulhu Eternal: Cold War Era | cr5004 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Maddening Revelations | 81-86 | Cthulhu Eternal: Jazz Age | cr5002 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Maddening Revelations | 82-87 | Cthulhu Eternal: Modern Age | cr5003 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Maddening Revelations | 80-85 | Cthulhu Eternal: Victorian Era | cr5001 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Maddening Revelations | 88-93 | Cthulhu Eternal: Age of Revolutions | cr5005 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Maddening Revelations | 86-91 | Cthulhu Eternal: World War II | cr5006 | 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Maddening Revelations | 84-89 | Cthulhu Eternal: Medieval | cr5008 | May 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Maddening Revelations | 86-91 | Cthulhu Eternal: Future | cr5010 | Oct 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Maddening Revelations | 83-88 | Cthulhu Eternal: World War I | cr5009 | Sep 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Maddening Revelations | 81-86 | Cthulhu Eternal: Classical Era | cr5011 | Jun 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Maddening Revelations | 94-99 | Cthulhu Eternal: Age of Sail | cr5012 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Maddening Revelations | 94-99 | Cthulhu Eternal: Elizabethan | cr5013 | Jan 2026 | Cthulhu Reborn | Cthulhu Eternal | |
| A Night on Bald Mountain | | Dark Visitations | cr5203 | 2022 | Cthulhu Reborn | Cthulhu Eternal | Vermont; Mi-Go |
| A Night on Bald Mountain | | The House on the Promontory / Dark Visitations | cr6001 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | Vermont; Mi-Go |
| The Perishing of Sir Ashby Phipps | | The Perishing of Sir Ashby Phipps | | 2022 | Librarians and Leviathans | Cthulhu Eternal | England; June; 1866 |
| Physiologies of Acquired Taste | | Physiologies of Acquired Taste | cr5501 | Feb 2024 | Cthulhu Reborn | Cthulhu Eternal | France; July; 1830 |
| Protagonists | 6-39 | Cthulhu Eternal: Cold War Era | cr5004 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Protagonists | 5-37 | Cthulhu Eternal: Jazz Age | cr5002 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Protagonists | 5-37 | Cthulhu Eternal: Modern Age | cr5003 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Protagonists | 5-37 | Cthulhu Eternal: Victorian Era | cr5001 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Protagonists | 7-43 | Cthulhu Eternal: Age of Revolutions | cr5005 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Protagonists | 5-37 | Cthulhu Eternal: World War II | cr5006 | 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Protagonists | 6-41 | Cthulhu Eternal: Medieval | cr5008 | May 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Protagonists | 5-39 | Cthulhu Eternal: Future | cr5010 | Oct 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Protagonists | 4-35 | Cthulhu Eternal: World War I | cr5009 | Sep 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Protagonists | 4-38 | Cthulhu Eternal: Classical Era | cr5011 | Jun 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Protagonists | 7-42 | Cthulhu Eternal: Age of Sail | cr5012 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Protagonists | 4-10 | Convicts and Cthulhu Quickstart Rules | cr6301 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| Protagonists | 4-10 | Eldritch Horizon Quickstart Rules | cr6501 | Nov 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| Protagonists | 7-42 | Cthulhu Eternal: Elizabethan | cr5013 | Jan 2026 | Cthulhu Reborn | Cthulhu Eternal | |
| Reclamation Project | | Dark Visitations | cr5203 | 2022 | Cthulhu Reborn | Cthulhu Eternal | Mi-Go |
| Reclamation Project | | The House on the Promontory / Dark Visitations | cr6001 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | Mi-Go |
| Red in Tooth and Claw | | Red in Tooth and Claw | cr5403 | Nov 2023 | Cthulhu Reborn | Cthulhu Eternal | Australia; September; 1914 |
| Rituals Based on Lovecraft's Fiction | 6-28 | The Open Cthulhu Mythos | cr5007 | 2023 | Cthulhu Reborn | APOCTHULHU, Cthulhu Eternal, Fhtagn | |
| Rules | 11-110 | Convicts and Cthulhu RPG Core Rules | cr6300 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| Sample Protagonists | 22-34 | Convicts and Cthulhu Quickstart Rules | cr6301 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| Sample Protagonists | 22-34 | Eldritch Horizon Quickstart Rules | cr6501 | Nov 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| Sanity | 70-80 | Cthulhu Eternal: Cold War Era | cr5004 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Sanity | 65-76 | Cthulhu Eternal: Jazz Age | cr5002 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Sanity | 67-77 | Cthulhu Eternal: Modern Age | cr5003 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Sanity | 65-76 | Cthulhu Eternal: Victorian Era | cr5001 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Sanity | 73-84 | Cthulhu Eternal: Age of Revolutions | cr5005 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Sanity | 69-81 | Cthulhu Eternal: World War II | cr5006 | 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Sanity | 69-80 | Cthulhu Eternal: Medieval | cr5008 | May 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Sanity | 71-81 | Cthulhu Eternal: Future | cr5010 | Oct 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Sanity | 68-79 | Cthulhu Eternal: World War I | cr5009 | Sep 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Sanity | 67-77 | Cthulhu Eternal: Classical Era | cr5011 | Jun 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Sanity | 79-90 | Cthulhu Eternal: Age of Sail | cr5012 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Sanity | 42-44 | Convicts and Cthulhu Quickstart Rules | cr6301 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| Sanity | 42-44 | Eldritch Horizon Quickstart Rules | cr6501 | Nov 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| Sanity | 79-90 | Cthulhu Eternal: Elizabethan | cr5013 | Jan 2026 | Cthulhu Reborn | Cthulhu Eternal | |
| Second Coming | | Second Coming | cr5208 | Nov 2023 | Cthulhu Reborn | Cthulhu Eternal | New Orleans; 1920s |
| Second Coming | | Second Coming / The Usurpers | cr6002 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | New Orleans; 1920s |
| Setting | 111-190 | Convicts and Cthulhu RPG Core Rules | cr6300 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| Shadow of the Irminsul | 5-24 | Shadow of the Irminsul | | Jun 2023 | Twin Engine Publishing | Cthulhu Eternal | Germany; 1920s |
| Smoke Green | | Smoke Green | cr5204 | 2022 | Cthulhu Reborn | Cthulhu Eternal | Arkham; October; 1928 |
| Spoiled Milk | | Spoiled Milk | cr5205 | Aug 2022 | Cthulhu Reborn | Cthulhu Eternal | Arkham; October; 1928 |
| Starlight on the Gutter | | Starlight on the Gutter | cr5101 | 2022 | Cthulhu Reborn | Cthulhu Eternal | London; January; 1895 |
| Starlight on the Gutter | | The Machine King / Starlight on the Gutter | cr6004 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | London; January; 1895 |
| Supernatural Effects | 91-94 | Cthulhu Eternal: Cold War Era | cr5004 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Supernatural Effects | 86-90 | Cthulhu Eternal: Jazz Age | cr5002 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Supernatural Effects | 87-91 | Cthulhu Eternal: Modern Age | cr5003 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Supernatural Effects | 85-89 | Cthulhu Eternal: Victorian Era | cr5001 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Supernatural Effects | 93-97 | Cthulhu Eternal: Age of Revolutions | cr5005 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Supernatural Effects | 91-95 | Cthulhu Eternal: World War II | cr5006 | 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Supernatural Effects | 89-93 | Cthulhu Eternal: Medieval | cr5008 | May 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Supernatural Effects | 91-103 | Cthulhu Eternal: Future | cr5010 | Oct 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Supernatural Effects | 88-91 | Cthulhu Eternal: World War I | cr5009 | Sep 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Supernatural Effects | 86-90 | Cthulhu Eternal: Classical Era | cr5011 | Jun 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Supernatural Effects | 99-103 | Cthulhu Eternal: Age of Sail | cr5012 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Supernatural Effects | 99-103 | Cthulhu Eternal: Elizabethan | cr5013 | Jan 2026 | Cthulhu Reborn | Cthulhu Eternal | |
| Thou Didst Let Fall | | Thou Didst Let Fall | cr5401 | Sep 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Throne-Bearers of the Death Goddess | | Throne-Bearers of the Death Goddess | | 2024 | Twin Engine Publishing | Cthulhu Eternal | Iraq; 1920s |
| Thunder God's Curse | | Thunder God's Curse | cr5210 | Oct 2024 | Cthulhu Reborn | Cthulhu Eternal | Arizona; 1936 |
| Thunder God's Curse | | The Bitter Jungle / Thunder God's Curse | cr6003 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | Arizona; 1936 |
| To Touch the Untouchable | | To Touch The Untouchable | cr5201 | 2022 | Cthulhu Reborn | Cthulhu Eternal | Arkham |
| Tomes | 103-122 | H P Lovecraft's Book of Yog-Sothery | cr5061 | 2023 | Cthulhu Reborn | APOCTHULHU, Cthulhu Eternal, Fhtagn | |
| Tomes of Arcane Lore | 38-54 | The Open Cthulhu Mythos | cr5007 | 2023 | Cthulhu Reborn | Cthulhu Eternal, Fhtagn, APOCTHULHU | |
| Translating Creatures from D100 Games | 97-102 | Cthulhu Eternal: Cold War Era | cr5004 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Translating Creatures from D100 Games | 93-98 | Cthulhu Eternal: Jazz Age | cr5002 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Translating Creatures from D100 Games | 94-99 | Cthulhu Eternal: Modern Age | cr5003 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Translating Creatures from D100 Games | 92-97 | Cthulhu Eternal: Victorian Era | cr5001 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Translating Creatures from D100 Games | 100-105 | Cthulhu Eternal: Age of Revolutions | cr5005 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Translating Creatures from D100 Games | 98-103 | Cthulhu Eternal: World War II | cr5006 | 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Translating Creatures from D100 Games | 96-101 | Cthulhu Eternal: Medieval | cr5008 | May 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Translating Creatures from D100 Games | 106-111 | Cthulhu Eternal: Future | cr5010 | Oct 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Translating Creatures from D100 Games | 94-99 | Cthulhu Eternal: World War I | cr5009 | Sep 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Translating Creatures from D100 Games | 93-98 | Cthulhu Eternal: Classical Era | cr5011 | Jun 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Translating Creatures from D100 Games | 106-111 | Cthulhu Eternal: Age of Sail | cr5012 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Translating Creatures from D100 Games | 106-111 | Cthulhu Eternal: Elizabethan | cr5013 | Jan 2026 | Cthulhu Reborn | Cthulhu Eternal | |
| Un-Fresh Off the Boat | 265-276 | Convicts and Cthulhu RPG Core Rules | cr6300 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | Australia; 1803 |
| Unnatural Artifacts | 29-37 | The Open Cthulhu Mythos | cr5007 | 2023 | Cthulhu Reborn | APOCTHULHU, Cthulhu Eternal, Fhtagn | |
| Unnatural Entities | 5-66 | H P Lovecraft's Book of Yog-Sothery | cr5061 | 2023 | Cthulhu Reborn | APOCTHULHU, Cthulhu Eternal, Fhtagn | |
| Unnatural Entities from Lovecraft's Fiction | 65-127 | The Open Cthulhu Mythos | cr5007 | 2023 | Cthulhu Reborn | APOCTHULHU, Cthulhu Eternal, Fhtagn | |
| Unnatural Places | 133-159 | H P Lovecraft's Book of Yog-Sothery | cr5061 | 2023 | Cthulhu Reborn | Cthulhu Eternal, Fhtagn, APOCTHULHU | |
| Unnatural Rituals | 81-102 | H P Lovecraft's Book of Yog-Sothery | cr5061 | 2023 | Cthulhu Reborn | Fhtagn, APOCTHULHU, Cthulhu Eternal | |
| The Usurpers | | The Usurpers | | Jul 2024 | Chaosium | Cthulhu Eternal | Arkham |
| The Usurpers | | Second Coming / The Usurpers | cr6002 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | Arkham |
| Vehicles | 67-69 | Cthulhu Eternal: Cold War Era | cr5004 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Vehicles | 64-65 | Cthulhu Eternal: Jazz Age | cr5002 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Vehicles | 65-66 | Cthulhu Eternal: Modern Age | cr5003 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Vehicles | 63-65 | Cthulhu Eternal: Victorian Era | cr5001 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Vehicles | 71-73 | Cthulhu Eternal: Age of Revolutions | cr5005 | 2022 | Cthulhu Reborn | Cthulhu Eternal | |
| Vehicles | 67-69 | Cthulhu Eternal: World War II | cr5006 | 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Vehicles | 68-69 | Cthulhu Eternal: Medieval | cr5008 | May 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Vehicles | 68-70 | Cthulhu Eternal: Future | cr5010 | Oct 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Vehicles | 64-68 | Cthulhu Eternal: World War I | cr5009 | Sep 2023 | Cthulhu Reborn | Cthulhu Eternal | |
| Vehicles | 65-66 | Cthulhu Eternal: Classical Era | cr5011 | Jun 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Vehicles | 71-79 | Cthulhu Eternal: Age of Sail | cr5012 | Dec 2024 | Cthulhu Reborn | Cthulhu Eternal | |
| Vehicles | 71-79 | Cthulhu Eternal: Elizabethan | cr5013 | Jan 2026 | Cthulhu Reborn | Cthulhu Eternal | |
| What You Need | 3-4 | Convicts and Cthulhu Quickstart Rules | cr6301 | Sep 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| What You Need | 3-4 | Eldritch Horizon Quickstart Rules | cr6501 | Nov 2025 | Cthulhu Reborn | Cthulhu Eternal | |
| The White War | | The White War | cr3007 | Dec 2023 | Cthulhu Reborn | Cthulhu Eternal | Italy; December; 1916 |
| The Wolf Who Cried Boy | | The Wolf Who Cried Boy | | Dec 2021 | Librarians and Leviathans | Cthulhu Eternal | Colorado; November; 2021 |
