| Title | Pages | Publication | Code | Date | Publisher | System (Setting) |
|---|
 All For a Good Cause | 5-9 |  Aspirations | 3007 | 2019 | Stygian Fox | Call of Cthulhu (Now) | |
| The Beast of Lake Champlain | 47-69 |  The Primal State | CHA0344 | 2007 | Chaosium | Call of Cthulhu (Classic) | Vermont |
 The Big Picture of the Campaign | 5-21 | The Sevenfold Path | CHA0403 | 2011 | Chaosium | Call of Cthulhu (Classic) | |
| The Blackthorns | 10-15 | Aspirations | 3007 | 2019 | Stygian Fox | Call of Cthulhu (Now) | |
| A Classic-era Iceland Sourcebook | 22-42 | The Sevenfold Path | CHA0403 | 2011 | Chaosium | Call of Cthulhu (Classic) | |
 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 | 49-67 | Cthulhu Eternal: Elizabethan | cr5013 | Jan 2026 | Cthulhu Reborn | Cthulhu Eternal | |
| Common Courtesy | 106-121 | Mortal Coils | PAG1007 | 1998 | Pagan Publishing | Call of Cthulhu (Classic) | California; November; 1920s |
| 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 | |
| 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 | |
| Desire Made Manifest | 101-113 | The Sevenfold Path | CHA0403 | 2011 | Chaosium | Call of Cthulhu (Classic) | Iceland |
| 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 | 90-93 | Cthulhu Eternal: Elizabethan | cr5013 | Jan 2026 | Cthulhu Reborn | Cthulhu Eternal | |
 Ephemera | 79-102 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| 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 | |
| Faithful for No Good Reason | 4-19 | Lost in the Lights | 60-NUK01 | 2013 | Sixtystone Press | Call of Cthulhu (Now) | |
| Faithful for No Good Reason | 4-19 | Lost in the Lights | 60-NUK01-01 | 2017 | Sixtystone Press | Call of Cthulhu (Now) | |
| Fiat Lux - A Patron (and an Antagonist) | Oct 2019 |  shoggoth.net | | | Self Published | Call of Cthulhu (Invictus) | |
| The Firelands of Melqart | 136-139 | APOCTHULHU | cr6100 | 2020 | Cthulhu Reborn | APOCTHULHU | |
| Five Lights at the Crossroads | 131-146 | Tales of the Crescent City | GGP1401 | 2014 | Golden Goblin Press | Call of Cthulhu (Classic) | New Orleans |
| Forget Me Not | 24-37 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| A Fresh Coat of White Paint | | An Inner Darkness | GGP2001 | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | California |
| 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 | |
| Goddess of the White Apes | 15-31 | Fronti Nulla Fides | GGP1907 | 2019 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| 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 | |
| Hell in Texas | 49-56 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| Higher Than Truth | 77-100 | The Sevenfold Path | CHA0403 | 2011 | Chaosium | Call of Cthulhu (Classic) | Iceland |
| Home, Sweet Home | 73-107 | The Primal State | CHA0344 | 2007 | Chaosium | Call of Cthulhu (Classic) | Vermont |
| In the Violet Hour | | In the Violet Hour | | | Golden Goblin Press | Call of Cthulhu (Invictus) | London |
| Intimate Encounters | 73-78 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| Invisible Sun | 20-67 | Lost in the Lights | 60-NUK01 | 2013 | Sixtystone Press | Call of Cthulhu (Now) | Nevada |
| Invisible Sun | 20-67 | Lost in the Lights | 60-NUK01-01 | 2017 | Sixtystone Press | Call of Cthulhu (Now) | Nevada |
| Invitation to the Dance | 19-38 | The Primal State | CHA0344 | 2007 | Chaosium | Call of Cthulhu (Classic) | Vermont |
| Invitation to the Dance | 16-23 |  The Whisperer | 5 | Aut 2003 | Severn Valley Press | Call of Cthulhu (Now) | Vermont |
| Joy Shusterman's Basement | 28-30 | The Unspeakable Oath | 19 | Mar 2011 | Pagan Publishing | Call of Cthulhu (Now) | |
| Joy Shusterman's Basement | 110-112 | Old Ones Rising | | 2017 | Arc Dream Publishing | Call of Cthulhu (Now) | |
| Kick the Can | 196-241 | APOCTHULHU | cr6100 | 2020 | Cthulhu Reborn | APOCTHULHU | |
| Kick the Can | | Kick the Can Resource Pack | | 2020 | Self Published | APOCTHULHU | |
| Kimmy Neuheisel and her Special Friend | 5-8 | Protodimension | 9 | Sum 2011 | Kinstaff Media | Call of Cthulhu (Now) | |
| Ladybug, Ladybug, Fly Away Home | 7-31 | The Things We Leave Behind | TTWLB | 2016 | Stygian Fox | Call of Cthulhu (Now) | |
| Ladybug, Ladybug, Fly Away Home | 6-23 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| 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 | |
| The Night Season | 100-121 | The Things We Leave Behind | TTWLB | 2016 | Stygian Fox | Call of Cthulhu (Now) | Alaska |
| The Night Season | 57-72 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| Nightcap | 70-91 | Mortal Coils | PAG1007 | 1998 | Pagan Publishing | Call of Cthulhu (Classic) | Kentucky; November; 1922 |
| Patrone Mi Patrone | 129-145 | De Horrore Cosmico | GGP1502 | 2015 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| Phlebotomy | 146-176 | Fear's Sharp Little Needles | 3005 | 2018 | Stygian Fox | Call of Cthulhu (Now) | Ohio |
| 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 | 7-42 | Cthulhu Eternal: Elizabethan | cr5013 | Jan 2026 | Cthulhu Reborn | Cthulhu Eternal | |
| Red Carpet Ready | 53-61 | Protodimension | 21 | Aut 2014 | Kinstaff Media | Call of Cthulhu (Now) | |
| Roots | 38-48 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| 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 | 79-90 | Cthulhu Eternal: Elizabethan | cr5013 | Jan 2026 | Cthulhu Reborn | Cthulhu Eternal | |
| The Sap Keeps Running, Part 1 | 39-42 | The Primal State | CHA0344 | 2007 | Chaosium | Call of Cthulhu (Classic) | Vermont |
| The Sap Keeps Running, Part 2 | 43-46 | The Primal State | CHA0344 | 2007 | Chaosium | Call of Cthulhu (Classic) | Vermont |
| The Sap Keeps Running, Part 3 | 70-72 | The Primal State | CHA0344 | 2007 | Chaosium | Call of Cthulhu (Classic) | Vermont |
| The Sap Keeps Running, Part 4 | 108-124 | The Primal State | CHA0344 | 2007 | Chaosium | Call of Cthulhu (Classic) | Vermont |
| Separation Anxiety | 7-12 | Fear's Sharp Little Needles | 3005 | 2018 | Stygian Fox | Call of Cthulhu (Now) | Ohio |
| Servant of God | 91-110 | Tales of the Caribbean | GGP1603 | 2016 | Golden Goblin Press | Call of Cthulhu (Classic) | Cuba |
| She Just Couldn't Stay Away (No, No) | 8-19 | The Unspeakable Oath | 20 | Jun 2011 | Pagan Publishing | Call of Cthulhu (Now) | |
| She Just Couldn't Stay Away (No, No) | 154-165 | Old Ones Rising | | 2017 | Arc Dream Publishing | Call of Cthulhu (Now) | |
| A Strict Protein Diet | 51-59 | Protodimension | 11 | Win 2012 | Kinstaff Media | Call of Cthulhu (Now) | |
| Suggestions for Effectively Running the Campaign and Several Plot Seeds | 5-18 | The Primal State | CHA0344 | 2007 | Chaosium | Call of Cthulhu (Classic) | |
| 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 | |
| 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 | |
| Triumphis Felis Ferae | 7-25 | Tails of Valor | GGP1911 | 2019 | Golden Goblin Press | Call of Cthulhu (Catthulhu), Call of Cthulhu (Cathulhu) | Italy; 31 |
| Turn to Stone | 43-76 | The Sevenfold Path | CHA0403 | 2011 | Chaosium | Call of Cthulhu (Classic) | Iceland |
| Turn to Stone | 1-28 | Turn to Stone | | 2007 | Self Published | Call of Cthulhu (Classic) | Iceland; 1920s |
| Twilight Time | 133-136 | The Sevenfold Path | CHA0403 | 2011 | Chaosium | Call of Cthulhu (Classic) | Iceland |
| 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 | |
| The Vetting of Marius Asina | 7-30 | De Horrore Cosmico | GGP1502 | 2015 | Golden Goblin Press | Call of Cthulhu (Invictus) | France |
| We Have Been, We Are, We Will Be | | We Have Been, We Are, We Will Be | SFX-3003 | 2018 | Stygian Fox | Call of Cthulhu (Classic) | |
| What Goes Around, Comes Around | 106-131 | Out of the Vault | PAG1009 | 2002 | Pagan Publishing | Call of Cthulhu (Classic) | New Hampshire; July; 1925; Outer God |
| What Goes Around, Comes Around | 124-148 | The Unspeakable Oath | 8/9 | Jun 1993 | Pagan Publishing | Call of Cthulhu (Classic) | New Hampshire; July; 1925; Outer God |
| What Shall I Do to Shun the Snares of Death | 1-49 | What Shall I Do to Shun the Snares of Death | | 2011 | Self Published | Call of Cthulhu (Invictus), Call of Cthulhu (Delta Green) | |
| Whitechurch, Vermont | 4-11 | Protodimension | 10 | Aut 2011 | Kinstaff Media | Call of Cthulhu (Classic) | |
| With Blue Uncertain Stumbling | 95-112 | The Island of Ignorance | GGP1301 | 2013 | Golden Goblin Press | Call of Cthulhu (Classic) | Florida; August; 1926 |
| Yggdrasil | 114-132 | The Sevenfold Path | CHA0403 | 2011 | Chaosium | Call of Cthulhu (Classic) | Iceland |
