| Title | Pages | Publication | Code | Date | Publisher | System (Setting) |
|---|
 Aani / Sacred Vessels of Ancient Gods | Oct 2023 |  shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Abyssal Bats | Oct 2022 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Accursed Thieves | Oct 2024 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
 The Adepts of Teris | 1 |  The Adepts of Teris | | 2019 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
 Adventus Regis | 14-32 |  Ripples From Carcosa | CHA0312 | 2005 | Chaosium | Call of Cthulhu (Invictus) | Italy |
| Adventus Regis | 10-39 | Ripples From Carcosa | CHA23134 | 2014 | Chaosium | Call of Cthulhu (Invictus) | Italy |
| And They're Off! | 14-15 | Lux in Tenebras | MRP0006 | 2011 | Miskatonic River Press | Call of Cthulhu (Invictus) | |
| Angel of Pestilence | Oct 2020 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Assassin Masks | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Atlantean Crystal | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Ave et Salve | 43-45 |  Bayt al Azif | 5 | May 2023 | Bayt al Azif Inc | Call of Cthulhu (Invictus) | |
| Avian Shoggoths | Sep 2020 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| The Bartholemew Highpoint School for the Deaf | 18 | The Eldritch New England Holiday Collection | GGP2005 | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | |
| The Beast of Yucca Flats | Oct 2023 | shoggoth.net | | | Self Published | Call of Cthulhu (Now) | |
| Beithir | Oct 2019 | shoggoth.net | | | Self Published | Call of Cthulhu (Invictus) | |
| The Beloved Dead | Oct 2019 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Black as Pitch at Midnight | 75-90 | Tales of the Caribbean | GGP1603 | 2016 | Golden Goblin Press | Call of Cthulhu (Classic) | Trinidad and Tobago |
| Blessed of Hydra | Oct 2021 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Blood and Glory | 3-21 | The Gods Hate Me | CHA0402 | 2011 | Chaosium | Call of Cthulhu (Invictus) | Europe |
| Blood and Glory | 145-164 | The 7th Edition Guide to Cthulhu Invictus | GGP1801 | 2018 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
 Blood and the Deep Blue Sea | | The Children of Lovecraft Country | | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | |
| The Blood Sword of Emeric | 61 | Fronti Nulla Fides | GGP1907 | 2019 | Golden Goblin Press | Call of Cthulhu (Invictus) | Germany |
| Boitata / Vengeful Fire Serpent | Oct 2023 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Boletus Griseo Plaga | 1-2 | Boletus Griseo Plaga | | 2019 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| Borne Into Darkness | 80-99 | Tales of Death & Darkness | CHA0321 | 2005 | Chaosium | Call of Cthulhu (Classic) | New Hampshire |
| The Brain that Would Not Die | Oct 2023 | shoggoth.net | | | Self Published | Call of Cthulhu (Now) | |
| Bread or Stone | C:131-164 |  Horror on the Orient Express | CHA23130 | 2014 | Chaosium | Call of Cthulhu (Classic) | Croatia; 1923 |
| Bread or Stone | B:109-136 |  Horror on the Orient Express | CHA23130-SET | 2020 | Chaosium | Call of Cthulhu (Classic) | Croatia; 1923 |
| A Brief Guide to the City of Herculaneum | 43-51 | Malum Umbra | CHA0353 | 2008 | Chaosium | Call of Cthulhu (Invictus) | |
| A Brief Guide to the Province of Britannia | 45-59 | Extrico Tabula | CHA0354 | 2008 | Chaosium | Call of Cthulhu (Invictus) | |
| A Brief Guide to the Province of Dacia | 12-21 | Malum Umbra | CHA0353 | 2008 | Chaosium | Call of Cthulhu (Invictus) | |
| A Brief Guide to the Province of Germania | 17-25 | Extrico Tabula | CHA0354 | 2008 | Chaosium | Call of Cthulhu (Invictus) | |
| Burning Revenant | Oct 2020 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Caryatid / Enchanted Guardian Statue | Oct 2023 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Caveat Emptor | | Caveat Emptor | | Jan 2024 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| Chicken Merry Hawk Deh Near | 1-17 | Chicken Merry Hawk Deh Near | | 2016 | Golden Goblin Press | Call of Cthulhu (Classic) | Jamaica |
| Christmas in Kingsport | 42-56 | Christmas in Kingsport | CHA0334 | 2006 | Chaosium | Call of Cthulhu (Classic) | Kingsport; 1920s; December |
| Christmas in Kingsport | 49-90 | The Eldritch New England Holiday Collection | GGP2005 | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | Kingsport; December; 1920s |
| Christmas in Kingsport | | The Lovecraft Country Holiday Collection | GGP | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | Kingsport; December; 1920s |
| The Clockwork Oracle | 5-14 | Fronti Nulla Fides | GGP1907 | 2019 | Golden Goblin Press | Call of Cthulhu (Invictus) | Greece |
| The Cousins Through the Years | 179-180 | The Eldritch New England Holiday Collection | GGP2005 | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | |
| The Cousins: All Grown Up | 205-218 | The Eldritch New England Holiday Collection | GGP2005 | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | |
| The Cousins: All Pulped Up | 219-232 | The Eldritch New England Holiday Collection | GGP2005 | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | |
| The Cousins: Best Friends Forever | 193-204 | The Eldritch New England Holiday Collection | GGP2005 | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | |
| The Cousins: The Beginning | 181-192 | The Eldritch New England Holiday Collection | GGP2005 | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | |
| Crawler | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Creating Characters for Cthulhu Invictus | 15-24 | The 7th Edition Guide to Cthulhu Invictus | GGP1801 | 2018 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| The Creature from the Haunted Sea | Oct 2023 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Cults, Patrons and Investigator Organisations | 97-106 | The 7th Edition Guide to Cthulhu Invictus | GGP1801 | 2018 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| Daughter of Shub-Niggurath | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Death's Head Spider | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Deep One Hybrid - Aberrant | Oct 2021 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Deep One Hybrid - Abomination | Oct 2021 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Deer Woman | Oct 2024 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| The Devil is in the Detail | 4-38 | Tales of Death & Darkness | CHA0321 | 2005 | Chaosium | Call of Cthulhu (Classic) | New York State |
| The Dread Idol | 46-56 | Lux in Tenebras | MRP0006 | 2011 | Miskatonic River Press | Call of Cthulhu (Invictus) | Sardinia |
| Drowned Revenant | Oct 2021 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Easter in Arkham | 91-132 | The Eldritch New England Holiday Collection | GGP2005 | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | Arkham |
| Easter in Arkham | | The Lovecraft Country Holiday Collection | GGP | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | Arkham |
| Echo Swine | Oct 2022 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Eldritch Symbiont | Oct 2021 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Eldritch Usurper | Oct 2021 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| En-Naddaha / Dread Siren of the Nile | Oct 2023 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Envenom | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
 Ephemera | 79-102 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| The Essential Guide to Hastur | 9-13 | Ripples From Carcosa | CHA0312 | 2005 | Chaosium | Call of Cthulhu (Classic) | |
| Extraordentarii / Savage Warriors neither living nor dead | Oct 2023 | shoggoth.net | | | Self Published | Call of Cthulhu (Invictus) | |
| The Fallen Arabians, Servitors of the Elder Godess Nemesis | Oct 2015 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| A Family Way | | An Inner Darkness | GGP2001 | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | New York |
| The Famished | Oct 2019 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Fertility | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| The Flying Head | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Forget Me Not | 24-37 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| The Ghost of John McSorely | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Glycon | Oct 2021 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Goblin or Bourbon Street | | Goblin on Bourbon Street | GGP1503 | 2015 | Golden Goblin Press | Call of Cthulhu (Classic) | New Orleans |
| A Guide to Hastur, The Yellow Sign and "The King in Yellow" | 5-9 | Ripples From Carcosa | CHA23134 | 2014 | Chaosium | Call of Cthulhu (Classic) | |
| Halloween Candy | 89-107 | Halloween Horror 2 | CHA0333 | 2006 | Chaosium | Call of Cthulhu (Now) | Halloween; Y'Golonac |
| Halloween in Dunwich | 17-37 | Halloween Horror | CHA0326 | 2005 | Chaosium | Call of Cthulhu (Classic) | Dunwich; 1920s; Halloween |
| Halloween in Dunwich | 19-48 | The Eldritch New England Holiday Collection | GGP2005 | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | Dunwich; Halloween |
| Halloween in Dunwich | | The Lovecraft Country Holiday Collection | GGP | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | Dunwich; Halloween |
| Halloween in the Time of Covid-19 | Oct 2020 | shoggoth.net | | | Self Published | Call of Cthulhu (Now) | Halloween |
| Halloween Nuit | 45-56 | Plan 09 From Halloween | CHA0379 | 2009 | Chaosium | Call of Cthulhu (Classic) | Arkham; 1929; Halloween |
| Heir to Carcosa | 79-100 | Ripples From Carcosa | CHA0312 | 2005 | Chaosium | Call of Cthulhu (End Time) | Solar System; 2145 |
| Heir to Carcosa | 74-111 | Ripples From Carcosa | CHA23134 | 2014 | Chaosium | Call of Cthulhu (End Time) | Solar System; 2145 |
| Hell in Texas | 49-56 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| Hellfire Hound | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| The Henderson Interviews | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Herald of the Yellow King | 42-64 | Ripples From Carcosa | CHA0312 | 2005 | Chaosium | Call of Cthulhu (Dark Ages) | England |
| Herald of the Yellow King | 40-73 | Ripples From Carcosa | CHA23134 | 2014 | Chaosium | Call of Cthulhu (Dark Ages) | England |
| Heroes and Heroines of the Shadow War | | Heroes and Heroines of the Shadow War | GGP | 2019 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| His Pleasant Dream was Shattered | 44-53 | Horror Stories From the Red Room | CHA0413 | 2013 | Chaosium | Call of Cthulhu (Classic) | Arkham |
| The History of the Morgan Family | 8-1 | The Eldritch New England Holiday Collection | GGP2005 | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | |
| The Hopeful | 100-122 | More Adventures in Arkham Country | MRP0007 | 2010 | Miskatonic River Press | Call of Cthulhu (Classic) | Arkham; Deep One |
| Innsmouth Independence Day | 133-178 | The Eldritch New England Holiday Collection | GGP2005 | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | Innsmouth; July |
| Innsmouth Independence Day | | The Lovecraft Country Holiday Collection | GGP | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | Innsmouth; July |
| Intimate Encounters | 122-135 | The Things We Leave Behind | TTWLB | 2016 | Stygian Fox | Call of Cthulhu (Now) | |
| Intimate Encounters | 73-78 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| Introduction | 6-14 | The Legacy of Arrius Lurco | MRP0009 | 2011 | Miskatonic River Press | Call of Cthulhu (Invictus) | |
| Investigator Occupations | 25-42 | The 7th Edition Guide to Cthulhu Invictus | GGP1801 | 2018 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| Investigator Skills | 43-48 | The 7th Edition Guide to Cthulhu Invictus | GGP1801 | 2018 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| Keck | Oct 2015 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Keeper's Screen | | Cthulhu Invictus Keeper's Screen | GGP | 2018 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| Keys of Madness: Act I-Key West | 39-58 | Tales of Death & Darkness | CHA0321 | 2005 | Chaosium | Call of Cthulhu (Classic) | Florida; July; 1927; Shoggoth |
| Keys of Madness: Act II-Caya Locura | 59-79 | Tales of Death & Darkness | CHA0321 | 2005 | Chaosium | Call of Cthulhu (Classic) | Florida; July; 1927; Shoggoth |
| Killer Shrews | Oct 2023 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| La Diablesse | Oct 2015 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| The Lady of Autumn | 1-2 | The Lady of Autumn | | 2019 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| Ladybug, Ladybug, Fly Away Home | 6-23 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| The Last Appointment | | Shadows of an Inner Darkness | GGP | 2019 | Golden Goblin Press | None | |
| Lemuralia | 97-107 | Dead Leaves Fall | CHA0406 | 2011 | Chaosium | Call of Cthulhu (Invictus) | Rome; May; Lesser Race |
| Lesser Shepherd/Shepherdess of the Black Goat | Oct 2022 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Letalis Messor | 61-77 | Extrico Tabula | CHA0354 | 2008 | Chaosium | Call of Cthulhu (Invictus) | England; Glaaki |
| Life and Death (Combat, Poison and Healing) | 49-56 | The 7th Edition Guide to Cthulhu Invictus | GGP1801 | 2018 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| The Lonely Point Lighthouse | 76-94 | The Island of Ignorance | GGP1301 | 2013 | Golden Goblin Press | Call of Cthulhu (Classic) | Connecticut; March; 1926; Deep One |
| The Long Dark | 115-125 | Cthulhu Invictus: Britannia and Beyond | GGP2301 | 2023 | Golden Goblin Press | Call of Cthulhu (Invictus) | Scotland |
| Longa Obscuritas | 66-76 | The Bride of Halloween Horror | CHA0364 | 2009 | Chaosium | Call of Cthulhu (Invictus) | England; October |
| Lost of the Labyrinth | Oct 2022 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Magic, Eldritch Tomes and Mystical Artifacts | 65-74 | The 7th Edition Guide to Cthulhu Invictus | GGP1801 | 2018 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| Magical Charms in Cthulhu Invictus | 1-3 | Magical Charms in Cthulhu Invictus | | 2019 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| Mahicantuk Tomahawk | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Malice Everlasting | 87-103 | New Tales of the Miskatonic Valley | MRP0003 | 2008 | Miskatonic River Press | Call of Cthulhu (Classic) | Kingsport; Y'Golonac |
| Malice Everlasting | 101-120 | New Tales of the Miskatonic Valley | 3009 | 2020 | Stygian Fox | Call of Cthulhu (Classic) | Kingsport; Y'Golonac |
| Man Eating Ants of India | Oct 2019 | shoggoth.net | | | Self Published | Call of Cthulhu (Invictus) | |
| A Man to Purgatory, A Woman to Hell | Oct 2015 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | Martinique; 1928; May |
| Manumission | | Fronti Nulla Fides | GGP1907 | 2019 | Golden Goblin Press | Call of Cthulhu (Invictus) | Rome |
| Mari Lwyd | Oct 2020 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Mask of the Funeral Clown | 37-66 | The Legacy of Arrius Lurco | MRP0009 | 2011 | Miskatonic River Press | Call of Cthulhu (Invictus) | Rome; Lesser Race |
| The Masked Ones | Oct 2014 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Masks of Halloween | 60-85 | Halloween Horror Returns! | CHA0347 | 2007 | Chaosium | Call of Cthulhu (Classic) | 1926; Halloween |
| Mavca (Nyavka) / Deadly Temptress of Ukraine | Oct 2023 | shoggoth.net | | | Self Published | Call of Cthulhu (Now) | |
| Mellified Lich | Oct 2019 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Men and Women | | Heroes of Red Hook | GGP | | Golden Goblin Press | None | |
| Mimic Shoggoth | Sep 2020 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Molt | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Mona / The Monkey Witch | Oct 2023 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Monsters of Cthulhu Invictus | 75-96 | The 7th Edition Guide to Cthulhu Invictus | GGP1801 | 2018 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| Monstrous Deep One Hybrids, Eel Hybrid | Oct 2022 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| The Morgan Family Tree | 12 | The Eldritch New England Holiday Collection | GGP2005 | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | |
| Morgan Matthews, Directory for New Origins Movie Studio | 7-8 | Tales of the Caribbean | GGP1603 | 2016 | Golden Goblin Press | Call of Cthulhu (Classic) | |
| A Mortal Harvest | 126-141 | Cthulhu Invictus: Britannia and Beyond | GGP2301 | 2023 | Golden Goblin Press | Call of Cthulhu (Invictus) | Wales |
| Murmillo | 47-66 | De Horrore Cosmico | GGP1502 | 2015 | Golden Goblin Press | Call of Cthulhu (Invictus) | Europe |
| Mystery in Sardinia | 36-44 | Lux in Tenebras | MRP0006 | 2011 | Miskatonic River Press | Call of Cthulhu (Invictus) | Sardinia |
| The Mystery of April Snow | | The Mystery of April Snow | GGP | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | Arkham |
| Mystery on Mona | 1-14 | Mystery on Mona | | 2008 | Self Published | Call of Cthulhu (Invictus) | Wales |
| The Nature of Faith | | Cthulhu's Dark Cults | CHA6044 | 2010 | Chaosium | Call of Cthulhu (Classic) | |
| Naufractus | 26-34 | Lux in Tenebras | MRP0006 | 2011 | Miskatonic River Press | Call of Cthulhu (Invictus) | Mediterranean Sea |
| Nemean Lion | Oct 2019 | shoggoth.net | | | Self Published | Call of Cthulhu (Invictus) | |
| Nemean Lion | 1-1 | Nemean Lion | | 2018 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| Nemesis | Oct 2015 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Night Forms a Cover for Sinners | 111-128 | Tales of the Caribbean | GGP1603 | 2016 | Golden Goblin Press | Call of Cthulhu (Classic) | Puerto Rico |
| The Night Season | 57-72 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| Nya'kwaehe'h, The Naked Bear | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Obsideo Villa | 22-42 | Malum Umbra | CHA0353 | 2008 | Chaosium | Call of Cthulhu (Invictus) | Romania |
| Open Season | Oct 2024 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| The Ordentani | Oct 2019 | shoggoth.net | | | Self Published | Call of Cthulhu (Invictus) | |
| Overview of Extrico Tabula | 5-15 | Extrico Tabula | CHA0354 | 2008 | Chaosium | Call of Cthulhu (Invictus) | |
| Overview of Malum Umbra | 5-11 | Malum Umbra | CHA0353 | 2008 | Chaosium | Call of Cthulhu (Invictus) | |
| Paramour of Y'golonac | 22-23 | The Unspeakable Oath | 19 | Mar 2011 | Pagan Publishing | Call of Cthulhu (Classic) | |
| Paramour of Y'golonac | 104-105 | Old Ones Rising | | 2017 | Arc Dream Publishing | Call of Cthulhu (Classic) | |
| Parasitic Shoggoths | Sep 2020 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| A Parcel Of Darkness | Oct 2019 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Patrone Mi Patrone | 129-145 | De Horrore Cosmico | GGP1502 | 2015 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| Plague Martyrs | Oct 2020 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Poetry Night | 118-122 | Fear's Sharp Little Needles | 3005 | 2018 | Stygian Fox | Call of Cthulhu (Now) | |
| Presenting The Cousins | 13-17 | The Eldritch New England Holiday Collection | GGP2005 | 2020 | Golden Goblin Press | Call of Cthulhu (Classic) | |
| The Quest of Pumpkin the Brave | | Tails of Terror | GGP | | Golden Goblin Press | None | |
| Raggedy Clothes ad Worn Out Shoes: A Look at the American Hobo | 36-41 | The Island of Ignorance | GGP1301 | 2013 | Golden Goblin Press | Call of Cthulhu (Classic) | |
| The Ravenar Saga Rediscovered | 83-85 | The Ravenar Sagas | CHA0348 | 2008 | Chaosium | Call of Cthulhu (Dark Ages) | |
| The Ravenar Sagas | 1-12 | The Ravenar Sagas | CHA0348 | 2008 | Chaosium | Call of Cthulhu (Dark Ages) | |
| Repossession | D:7-38 | Horror on the Orient Express | CHA23130 | 2014 | Chaosium | Call of Cthulhu (Classic) | Bulgaria; 1923 |
| Repossession | B:197-224 | Horror on the Orient Express | CHA23130-SET | 2020 | Chaosium | Call of Cthulhu (Classic) | Bulgaria; 1923 |
| The Return of Old Reliable | 60-84 | Atomic-Age Cthulhu | CHA23122 | 2013 | Chaosium | Call of Cthulhu (Atomic) | Florida; December; 1958; Greater Race |
| Riding the Northbound | | Riding the Northbound | GGP1909 | 2019 | Golden Goblin Press | Call of Cthulhu (Classic) | Massachusetts; November |
| A Ring of Toadstools | 117-137 | Halloween Horror 2 | CHA0333 | 2006 | Chaosium | Call of Cthulhu (Dark Ages) | United Kingdom; Halloween |
| Rituals of the Eternal Mother | 1-2 | Rituals of the Eternal Mother | | 2018 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| The Roman Legions | 107-114 | The 7th Edition Guide to Cthulhu Invictus | GGP1801 | 2018 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| Roman Provinces | 115-128 | The 7th Edition Guide to Cthulhu Invictus | GGP1801 | 2018 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| Roots | 38-48 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| The Run Away Part 1: Alexandria | Sep 2014 | shoggoth.net | | | Self Published | Call of Cthulhu (Invictus) | Egypt |
| The Run Away Part 2: The Oasis of Ket-Septi | Sep 2014 | shoggoth.net | | | Self Published | Call of Cthulhu (Invictus) | Egypt |
| Sacred Ewe of the Black Goat | Oct 2022 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Salve, Citizens! | 7-14 | The 7th Edition Guide to Cthulhu Invictus | GGP1801 | 2018 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| Sanguis Omnia Vincet | C:165-202 | Horror on the Orient Express | CHA23130 | 2014 | Chaosium | Call of Cthulhu (Invictus) | Turkey |
| Sanguis Omnia Vincet | B:137-166 | Horror on the Orient Express | CHA23130-SET | 2020 | Chaosium | Call of Cthulhu (Invictus) | Turkey |
| Scion of Vulcan | 67-96 | The Legacy of Arrius Lurco | MRP0009 | 2011 | Miskatonic River Press | Call of Cthulhu (Invictus) | Greece |
| The Second Saga | 35-51 | The Ravenar Sagas | CHA0348 | 2008 | Chaosium | Call of Cthulhu (Dark Ages) | Iceland |
| A Second Theseus | 97-128 | The Legacy of Arrius Lurco | MRP0009 | 2011 | Miskatonic River Press | Call of Cthulhu (Invictus) | Greece; Greater Race |
| Serpent Kin | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| The Seventh Turn | 15-36 | The Legacy of Arrius Lurco | MRP0009 | 2011 | Miskatonic River Press | Call of Cthulhu (Invictus) | Rome |
| Shepherd/Shepherdess of the Black Goat | Oct 2022 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Silva Nigra | 27-43 | Extrico Tabula | CHA0354 | 2008 | Chaosium | Call of Cthulhu (Invictus) | Germany; Dark Young of Shub-Niggurath |
| Sins of My Youth | 18-22 | Fear's Sharp Little Needles | 3005 | 2018 | Stygian Fox | Call of Cthulhu (Now) | Hound of Tindalos |
| Sogailraugh | 1-4 | Sogailraugh | | 2006 | Self Published | Call of Cthulhu (Dark Ages) | |
| Song and Dance | 109-130 | Tales of the Crescent City | GGP1401 | 2014 | Golden Goblin Press | Call of Cthulhu (Classic) | New Orleans |
| A Special Day | | Further Tales of Cthulhu Invictus | GGP | 2017 | Golden Goblin Press | None | |
| Spells of the Cult of Shub-Niggurath | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Spells of the Yig Cult (Part 1) | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Spirit of Industry | 47-61 | New Tales of the Miskatonic Valley | MRP0003 | 2008 | Miskatonic River Press | Call of Cthulhu (Classic) | Dunwich |
| Spirit of Industry | 53-72 | New Tales of the Miskatonic Valley | 3009 | 2020 | Stygian Fox | Call of Cthulhu (Classic) | Dunwich |
| The Spiritual World | 57-64 | The 7th Edition Guide to Cthulhu Invictus | GGP1801 | 2018 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| The Spring of Aceso | 1-2 | The Spring of Aceso | | 2019 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| The Struggle | | Puncture Wounds | SFX-4000 | Aug 2018 | Stygian Fox | None | |
| Stygian Hound | Oct 2023 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Succo | Oct 2019 | shoggoth.net | | | Self Published | Call of Cthulhu (Invictus) | |
| Sunset on Sandy Gulch | 51-67 | Worlds of Cthulhu | 6 | Jan 2009 | Pegasus Press | Call of Cthulhu (Darker Trails) | Sand Dweller |
| Symbiotic Shoggoths | Sep 2020 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| The Tenement | 57-78 | Tales of the Sleepless City | MRP0011 | 2013 | Miskatonic River Press | Call of Cthulhu (Classic) | New York; Shoggoth |
| The Thing in the Pit | Sep 2020 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| The Thing with Two Heads, Experiments into immortality run amuck. | Oct 2023 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Trans-dimensional Mites | Oct 2022 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Ultionis Casses | 52-71 | Malum Umbra | CHA0353 | 2008 | Chaosium | Call of Cthulhu (Invictus) | Italy; March |
| The Undesirables | 52-66 | Tails of Valor | GGP1911 | 2019 | Golden Goblin Press | Call of Cthulhu (Catthulhu), Call of Cthulhu (Cathulhu) | France |
| The United Colonial Coalition Asteroid Colonies for the End Time Setting | 74-78 | Ripples From Carcosa | CHA0312 | 2005 | Chaosium | Call of Cthulhu (End Time) | |
| The Unnoticed | Oct 2024 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| The Unsung Saga | 13-34 | The Ravenar Sagas | CHA0348 | 2008 | Chaosium | Call of Cthulhu (Dark Ages) | Norway |
| Valor, An Enchanted Weapon | Oct 25 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| A Very Brief Tour of the City of Rome | 129-137 | The 7th Edition Guide to Cthulhu Invictus | GGP1801 | 2018 | Golden Goblin Press | Call of Cthulhu (Invictus) | |
| Victus Est | 6-7 | Lux in Tenebras | MRP0006 | 2011 | Miskatonic River Press | Call of Cthulhu (Invictus) | |
| The Vinland Saga | 52-82 | The Ravenar Sagas | CHA0348 | 2008 | Chaosium | Call of Cthulhu (Dark Ages) | Canada; 1002 |
| Wereboar | Oct 2020 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| When Johnny Came Marching Home | 20-23 | The Island of Ignorance | GGP1301 | 2013 | Golden Goblin Press | Call of Cthulhu (Classic) | |
| The Winged Serpents of Arabia | Oct 2019 | shoggoth.net | | | Self Published | Call of Cthulhu (Invictus) | |
| The Winoka Point Research Center | 140-145 | Fear's Sharp Little Needles | 3005 | 2018 | Stygian Fox | Call of Cthulhu (Now) | |
| Worship of Hastur During the Time of the Dark Ages | 71-73 | Ripples From Carcosa | CHA0312 | 2005 | Chaosium | Call of Cthulhu (Dark Ages) | |
| Worship of Hastur During the Time of the Roman Empire | 39-41 | Ripples From Carcosa | CHA0312 | 2005 | Chaosium | Call of Cthulhu (Invictus) | |
| Yellow Baboon / Sacred Animal of Ancient Gods | Oct 2023 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
| Zombie Deer | Oct 2024 | shoggoth.net | | | Self Published | Call of Cthulhu (Classic) | |
