| Title | Pages | Publication | Code | Date | Publisher | System (Setting) |
|---|
 The 1930s | 99-120 |  Pulp Cthulhu | CHA23107 | 2016 | Chaosium | Call of Cthulhu (Classic) | |
 Advice for Players | 208-223 |  Investigator's Handbook | CHA23136 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
 Alone Against the Dark | 5-90 | Alone Against the Dark | CHA23154 | 2017 | Chaosium | Call of Cthulhu (Classic) | Germany; New York; Greece; Antarctica; Egypt; Autumn; 1931 |
| Alone Against the Flames | A:6-55 |  Call of Cthulhu Starter Set | CHA23158-X | 2018 | Chaosium | Call of Cthulhu (Classic) | Arkham; 1920s |
| America | 99-176 | Masks of Nyarlathotep | CHA23153 | 2018 | Chaosium | Call of Cthulhu (Classic) | New York; 1925 |
| Amidst the Ancient Trees | 346-363 | Keeper Rulebook | CHA23135 | 2015 | Chaosium | Call of Cthulhu (Classic) | Vermont; Summer; 1925; Glaaki |
| Amidst the Ancient Trees | 346-363 | Keeper Rulebook | CHA23175 | 2021 | Chaosium | Call of Cthulhu (Classic) | Vermont; 1925; Summer; Glaaki |
| Ancient Echoes | 24-54 | The Curse of Nineveh | CB7355 | 2015 | Cubicle 7 | Call of Cthulhu (Classic) | London; Summer; 1925 |
| Angel's Thirst | 233-282 |  Cults of Cthulhu | CHA23177 | 2021 | Chaosium | Call of Cthulhu (Classic) | Los Angeles; 1923; Cthulhu |
| Anglo-Saxon England | | Cthulhu Dark Ages | CHA23165 | 2020 | Chaosium | Call of Cthulhu (Dark Ages) | |
| Arkham Investigators | 25-36 | Arkham | CHA23182 | Feb 2024 | Chaosium | Call of Cthulhu (Classic) | |
| Arkham Miscellany | 37-60 | Arkham | CHA23182 | Feb 2024 | Chaosium | Call of Cthulhu (Classic) | |
| Artifacts and Alien Devices | 268-275 | Keeper Rulebook | CHA23135 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Artifacts and Alien Devices | 268-275 | Keeper Rulebook | CHA23175 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Australia | 449-518 | Masks of Nyarlathotep | CHA23153 | 2018 | Chaosium | Call of Cthulhu (Classic) | Australia; 1925 |
| Back to School | 4-30 | A Time to Harvest Episode 2 | | 2016 | Chaosium | Call of Cthulhu (Classic) | Arkham; Summer; 1930 |
| Back to School | 113-150 | A Time To Harvest | CHA23176 | 2021 | Chaosium | Call of Cthulhu (Classic) | Arkham; Summer; 1930 |
| Beasts | 185-201 | Malleus Monstrorum Volume 1: Monsters of the Mythos | CHA23168 | 2020 | Chaosium | Call of Cthulhu (Classic) | |
| Beasts | A:185-201 | Malleus Monstrorum Slipcase Set | CHA23170-X | 2020 | Chaosium | Call of Cthulhu (Classic) | |
| Beneath the Burning Sun | 85-128 | Shadows Over Stillwater | CHA23156 | 2019 | Chaosium | Call of Cthulhu (Darker Trails) | New Mexico; Star Spawn of Cthulhu |
| Bestiary | | Cthulhu Dark Ages | CHA23165 | 2020 | Chaosium | Call of Cthulhu (Dark Ages) | |
| Beyond London | 205-236 | Cthulhu by Gaslight: Investigators' Guide | CHA23186 | Nov 2024 | Chaosium | Call of Cthulhu (Gaslight) | |
| Bibliophobia | 38-46 |  Tabletop Gaming | 48 | Nov 2020 | Warners Group Publications | Call of Cthulhu (Classic) | |
| The British Empire | 237-266 | Cthulhu by Gaslight: Investigators' Guide | CHA23186 | Nov 2024 | Chaosium | Call of Cthulhu (Gaslight) | |
| Camp Sunny | | Camp Sunny | | 2017 | Chaosium | Call of Cthulhu (Now) | Deep One |
| Campaign Background | 5-18 | A Time to Harvest Episode 1 | | 2016 | Chaosium | Call of Cthulhu (Classic) | |
| Campaign Background | 11-36 | A Time To Harvest | CHA23176 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Campaign Beginning | 91-98 | Masks of Nyarlathotep | CHA23153 | 2018 | Chaosium | Call of Cthulhu (Classic) | January; 1925 |
| Campaign Overview | 9-28 | The Children of Fear | CHA23173 | 2020 | Chaosium | Call of Cthulhu (Classic) | |
| Chases | 132-150 | Keeper Rulebook | CHA23135 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Chases | 132-150 | Keeper Rulebook | CHA23175 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| China | 519-618 | Masks of Nyarlathotep | CHA23153 | 2018 | Chaosium | Call of Cthulhu (Classic) | China; 1925 |
| The City | | Berlin: The Wicked City | CHA23161 | 2019 | Chaosium | Call of Cthulhu (Classic) | |
| The City of Decaying Splendor | 29-50 | The Children of Fear | CHA23173 | 2020 | Chaosium | Call of Cthulhu (Classic) | China; 1920s |
| Cobb's Corner | 19-33 | A Time to Harvest Episode 1 | | 2016 | Chaosium | Call of Cthulhu (Classic) | |
| Cobb's Corner | 37-66 | A Time To Harvest | CHA23176 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Combat | 102-129 | Keeper Rulebook | CHA23135 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Combat | B:18-20 | Call of Cthulhu Starter Set | CHA23158-X | 2018 | Chaosium | Call of Cthulhu (Classic) | |
| Combat | 102-129 | Keeper Rulebook | CHA23175 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| The Community of Totburh | | Cthulhu Dark Ages | CHA23165 | 2020 | Chaosium | Call of Cthulhu (Dark Ages) | |
| Concerning Magic | 7-10 | The Grand Grimoire of Cthulhu Mythos Magic | CHA23141 | 2017 | Chaosium | Call of Cthulhu (Classic) | |
| Concerning Spells | 11-21 | The Grand Grimoire of Cthulhu Mythos Magic | CHA23141 | 2017 | Chaosium | Call of Cthulhu (Classic) | |
| Creating a Cthulhu Cult | 119-156 | Cults of Cthulhu | CHA23177 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Creating an Investigator | B:6-13 | Call of Cthulhu Starter Set | CHA23158-X | 2018 | Chaosium | Call of Cthulhu (Classic) | |
| Creating Gaslight Investigators | 69-108 | Cthulhu by Gaslight: Investigators' Guide | CHA23186 | Nov 2024 | Chaosium | Call of Cthulhu (Gaslight) | |
| Creating Investigators | 30-51 | Keeper Rulebook | CHA23135 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Creating Investigators | 40-65 | Investigator's Handbook | CHA23136 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Creating Investigators | 30-51 | Keeper Rulebook | CHA23175 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Creating Pulp Heroes | 15-43 | Pulp Cthulhu | CHA23107 | 2016 | Chaosium | Call of Cthulhu (Classic) | |
| Crimson Letters | 364-383 | Keeper Rulebook | CHA23135 | 2015 | Chaosium | Call of Cthulhu (Classic) | Arkham; October; 1920s |
| Crimson Letters | 364-383 | Keeper Rulebook | CHA23175 | 2021 | Chaosium | Call of Cthulhu (Classic) | Arkham; October; 1920s |
| Cthulhu By Gaslight | 35-40 | Cthulhu Through the Ages | CHA23146 | 2014 | Chaosium | Call of Cthulhu (Gaslight) | |
| Cthulhu Dark Ages | 15-22 | Cthulhu Through the Ages | CHA23146 | 2014 | Chaosium | Call of Cthulhu (Dark Ages) | |
| Cthulhu End Times | 57-61 | Cthulhu Through the Ages | CHA23146 | 2014 | Chaosium | Call of Cthulhu (End Time) | |
| Cthulhu Icarus | 47-56 | Cthulhu Through the Ages | CHA23146 | 2014 | Chaosium | Call of Cthulhu (Strange Aeons) | |
| Cthulhu Invictus | 7-14 | Cthulhu Through the Ages | CHA23146 | 2014 | Chaosium | Call of Cthulhu (Invictus) | |
| The Cthulhu Mythos | 77-82 | Keeper Tips | CHA5120 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| The Cthulhu Mythos in the Dark Ages | | Cthulhu Dark Ages | CHA23165 | 2020 | Chaosium | Call of Cthulhu (Dark Ages) | |
| Cultists, Monsters, and Artifacts | 157-190 | Cults of Cthulhu | CHA23177 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Cults of Cthulhu | 37-118 | Cults of Cthulhu | CHA23177 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
 Curious Characters | |  Curious Characters Deck | CHA23139-KD2 | 2016 | Chaosium | Call of Cthulhu (Classic) | |
| Curious Characters | | Keeper Decks | CHA23139-KD | 2016 | Chaosium | Call of Cthulhu (Classic) | |
| Dances of Vice, Horror, and Ecstacy | | Berlin: The Wicked City | CHA23161 | 2019 | Chaosium | Call of Cthulhu (Classic) | Germany |
| Dark Age Investigators | | Cthulhu Dark Ages | CHA23165 | 2020 | Chaosium | Call of Cthulhu (Dark Ages) | |
| Dark Delvings | 4-22 | A Time to Harvest Episode 4 | | 2016 | Chaosium | Call of Cthulhu (Classic) | Vermont; 1930 |
| Dark Delvings | 193-222 | A Time To Harvest | CHA23176 | 2021 | Chaosium | Call of Cthulhu (Classic) | Vermont; 1930 |
| Darkness, Descending | 41-63 | Cthulhu Britannica | CB7350 | 2009 | Cubicle 7 | Call of Cthulhu (Classic) | England; 1930s; Cyaegha |
| Dead Boarder | | Dead Boarder | | 2016 | Chaosium | Call of Cthulhu (Classic) | Providence; June; 1931 |
| Dead Light | 5-30 | Dead Light and Other Dark Turns | CHA23159 | 2019 | Chaosium | Call of Cthulhu (Classic) | |
| Dead Man Stomp | C:51-77 | Call of Cthulhu Starter Set | CHA23158-X | 2018 | Chaosium | Call of Cthulhu (Classic) | 1920s |
| Deities of the Mythos | 23-252 | Malleus Monstrorum Volume 2: Deities of the Mythos | CHA23169 | 2020 | Chaosium | Call of Cthulhu (Classic) | |
| Deities of the Mythos | B:23-252 | Malleus Monstrorum Slipcase Set | CHA23170-X | 2020 | Chaosium | Call of Cthulhu (Classic) | |
| The Derelict | 5-22 | The Derelict | CHA23150 | 2016 | Chaosium | Call of Cthulhu (Classic) | Atlantic Ocean |
| The Derelict | 41-68 | Petersen's Abominations | CHA23152 | 2017 | Chaosium | Call of Cthulhu (Now) | Atlantic Ocean |
| Designing Scenarios | 33-48 | Keeper Tips | CHA5120 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| The Devil Eats Flies | | Berlin: The Wicked City | CHA23161 | 2019 | Chaosium | Call of Cthulhu (Classic) | Germany |
| The Devil's Roundup | 151-156 | Shadows Over Stillwater | CHA23156 | 2019 | Chaosium | Call of Cthulhu (Darker Trails) | New Mexico |
| The Disintegrator | 135-157 | Pulp Cthulhu | CHA23107 | 2016 | Chaosium | Call of Cthulhu (Classic) | New England; 1930s; Mi-Go |
| The Doom That Came to Wessex | | Cthulhu Dark Ages | CHA23165 | 2020 | Chaosium | Call of Cthulhu (Dark Ages) | |
| Dreamlands | 41-46 | Cthulhu Through the Ages | CHA23146 | 2014 | Chaosium | Call of Cthulhu (Dreamlands) | |
| Edge of Darkness | C:19-50 | Call of Cthulhu Starter Set | CHA23158-X | 2018 | Chaosium | Call of Cthulhu (Classic) | Arkham; 1928 |
| Egypt | 295-384 | Masks of Nyarlathotep | CHA23153 | 2018 | Chaosium | Call of Cthulhu (Classic) | Egypt; 1925 |
| England | 177-294 | Masks of Nyarlathotep | CHA23153 | 2018 | Chaosium | Call of Cthulhu (Classic) | London; 1925 |
| Eseweald | | Cthulhu Dark Ages | CHA23165 | 2020 | Chaosium | Call of Cthulhu (Dark Ages) | |
| Feast and Famine | 187-224 | The Children of Fear | CHA23173 | 2020 | Chaosium | Call of Cthulhu (Classic) | Tibet; 1920s |
| Federated Oil and Chemical | 4-18 | A Time to Harvest Episode 3 | | 2016 | Chaosium | Call of Cthulhu (Classic) | Arkham; Autumn; 1930 |
| Federated Oil and Chemical | 151-169 | A Time To Harvest | CHA23176 | 2021 | Chaosium | Call of Cthulhu (Classic) | Arkham; Autumn; 1930 |
| Field Trip | 34-57 | A Time to Harvest Episode 1 | | 2016 | Chaosium | Call of Cthulhu (Classic) | Vermont; Summer; 1930 |
| Field Trip | 67-112 | A Time To Harvest | CHA23176 | 2021 | Chaosium | Call of Cthulhu (Classic) | Vermont; Summer; 1930 |
| Game System | 60-73 | Pulp Cthulhu | CHA23107 | 2016 | Chaosium | Call of Cthulhu (Classic) | |
| Game System | 82-99 | Keeper Rulebook | CHA23135 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Game System | 10-18 | Call of Cthulhu 7th Edition Quick Start | CHA23131 | 2013 | Chaosium | Call of Cthulhu (Classic) | |
| Game System | B:14-15 | Call of Cthulhu Starter Set | CHA23158-X | 2018 | Chaosium | Call of Cthulhu (Classic) | |
| Game System | | Cthulhu Dark Ages | CHA23165 | 2020 | Chaosium | Call of Cthulhu (Dark Ages) | |
| Game System | 82-99 | Keeper Rulebook | CHA23175 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Gameplay | 49-58 | Keeper Tips | CHA5120 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| A God's Dream | 283-330 | Cults of Cthulhu | CHA23177 | 2021 | Chaosium | Call of Cthulhu (Classic) | Chicago; 2021; Cthulhu |
| Grand Conclusion | 619-625 | Masks of Nyarlathotep | CHA23153 | 2018 | Chaosium | Call of Cthulhu (Classic) | January; 1926 |
| The Grand Grimoire | 26-193 | The Grand Grimoire of Cthulhu Mythos Magic | CHA23141 | 2017 | Chaosium | Call of Cthulhu (Classic) | |
| The Great Harvest | 4-14 | A Time to Harvest Episode 5 | | 2016 | Chaosium | Call of Cthulhu (Classic) | Vermont; 1930 |
| The Great Harvest | 223-246 | A Time To Harvest | CHA23176 | 2021 | Chaosium | Call of Cthulhu (Classic) | Vermont; 1930 |
| Grimoire | 242-264 | Keeper Rulebook | CHA23135 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Grimoire | 242-264 | Keeper Rulebook | CHA23175 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Ground Rules | 7-10 | Keeper Tips | CHA5120 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Guide to Arkham | 61-246 | Arkham | CHA23182 | Feb 2024 | Chaosium | Call of Cthulhu (Classic) | |
| The Haunting | 18-31 | Call of Cthulhu 7th Edition Quick Start | CHA23131 | 2013 | Chaosium | Call of Cthulhu (Classic) | Boston; 1920 |
 The Haunting, a Retelling | 34-38 | Call of Cthulhu 7th Edition Quick Start | CHA23131 | 2013 | Chaosium | Call of Cthulhu (Classic) | |
| The Heart of the World | 303-324 | The Children of Fear | CHA23173 | 2020 | Chaosium | Call of Cthulhu (Classic) | India; 1920s |
| History of the Cthulhu Cult | 11-36 | Cults of Cthulhu | CHA23177 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Hit Points, Wounds, and Healing | B:20-21 | Call of Cthulhu Starter Set | CHA23158-X | 2018 | Chaosium | Call of Cthulhu (Classic) | |
| Horror | 71-74 | Keeper Tips | CHA5120 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Hotel Hell | 7-40 | Petersen's Abominations | CHA23152 | 2017 | Chaosium | Call of Cthulhu (Now) | Canada |
| Howard Phillips Lovecraft | 22-27 | Keeper Rulebook | CHA23135 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Howard Phillips Lovecraft | 22-27 | Keeper Rulebook | CHA23175 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| The Hunt | | Cthulhu Dark Ages | CHA23165 | 2020 | Chaosium | Call of Cthulhu (Dark Ages) | |
| Inclusivity | 11-12 | Keeper Tips | CHA5120 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Inheritance | | Inheritance | | 2019 | Chaosium | Call of Cthulhu (Classic) | Innsmouth; 1925 |
| Inheritance | 1-29 | Inheritance | FS03 | 2007 | Self Published | Call of Cthulhu (Classic) | New York State; 2271; October |
| Insanitarium | | Insanitarium | | 2019 | Chaosium | Call of Cthulhu (Classic) | Michigan; 1925 |
| Intersections | 166-226 | World War Cthulhu: Cold War | CB71970 | 2016 | Cubicle 7 | Call of Cthulhu (Cold War) | Turkey |
| Introduction | 4-23 | The Curse of Nineveh | CB7355 | 2015 | Cubicle 7 | Call of Cthulhu (Classic) | |
| Introduction | 4-23 | World War Cthulhu: Cold War | CB71970 | 2016 | Cubicle 7 | Call of Cthulhu (Cold War) | |
| Introduction | 12-19 | Keeper Rulebook | CHA23135 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Introduction | 7-46 | Masks of Nyarlathotep | CHA23153 | 2018 | Chaosium | Call of Cthulhu (Classic) | |
| Introduction | 10-17 | Investigator's Handbook | CHA23136 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Introduction | 4 | Call of Cthulhu 7th Edition Quick Start | CHA23131 | 2013 | Chaosium | Call of Cthulhu (Classic) | |
| Introduction | | Cthulhu Dark Ages | CHA23165 | 2020 | Chaosium | Call of Cthulhu (Dark Ages) | |
| Introduction | 12-19 | Keeper Rulebook | CHA23175 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Investigative Horror in the Dark Ages | | Cthulhu Dark Ages | CHA23165 | 2020 | Chaosium | Call of Cthulhu (Dark Ages) | |
| Investigator Organizations | 122-145 | Investigator's Handbook | CHA23136 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Investigator's Resources | 24-62 | World War Cthulhu: Cold War | CB71970 | 2016 | Cubicle 7 | Call of Cthulhu (Cold War) | |
| Keeper's Handbook | 63-165 | World War Cthulhu: Cold War | CB71970 | 2016 | Cubicle 7 | Call of Cthulhu (Cold War) | |
| A Keeper's Miscellany | 10-42 | Cthulhu by Gaslight: Keeper's Guide | CHA23187 | Mar 2025 | Chaosium | Call of Cthulhu (Gaslight) | |
| Keeper's Screen | 1-2 | Keeper Screen Pack | CHA23137 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Keepering | 59-70 | Keeper Tips | CHA5120 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Kenya | 385-448 | Masks of Nyarlathotep | CHA23153 | 2018 | Chaosium | Call of Cthulhu (Classic) | Kenya; 1925 |
| Land of Hope and Glory | 17-68 | Cthulhu by Gaslight: Investigators' Guide | CHA23186 | Nov 2024 | Chaosium | Call of Cthulhu (Gaslight) | |
| Lazarus in Spades | 9-36 | Shadows Over Stillwater | CHA23156 | 2019 | Chaosium | Call of Cthulhu (Darker Trails) | New Mexico; Serpentman |
| Liberation | 225-268 | The Children of Fear | CHA23173 | 2020 | Chaosium | Call of Cthulhu (Classic) | Tibet; 1920s |
| Life as an Investigator | 146-159 | Investigator's Handbook | CHA23136 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Loki's Gift | 191-232 | Cults of Cthulhu | CHA23177 | 2021 | Chaosium | Call of Cthulhu (Classic) | London; 1896; Cthulhu |
| London | 175-204 | Cthulhu by Gaslight: Investigators' Guide | CHA23186 | Nov 2024 | Chaosium | Call of Cthulhu (Gaslight) | |
| A Long Way From Home | 33-? | Valkyrie | 22 | 2001 | Partizan Press | Call of Cthulhu (Strange Aeons) [Far Future] | |
| Magic | 172-181 | Keeper Rulebook | CHA23135 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Magic | 172-181 | Keeper Rulebook | CHA23175 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
 Malleus Monstrorum Deck | | Malleus Monstrorum Deck | CHA23171 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Miscellaneous | 101-102 | Keeper Tips | CHA5120 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Missed Dues | 56-73 | Keeper Screen Pack | CHA23137 | 2015 | Chaosium | Call of Cthulhu (Classic) | Arkham; 1922; Azathoth; Servitor of the Outer Gods |
| Missed Dues | | Missed Dues | CHA0419 | 2013 | Chaosium | Call of Cthulhu (Classic) | Arkham; 1922; Azathoth |
| Missed Dues | | Missed Dues and Other Adventures | | 2013 | Chaosium | Call of Cthulhu (Classic) | Arkham; 1922; Azathoth |
| Mission to Canada | 21-31 | A Time to Harvest Episode 3 | | 2016 | Chaosium | Call of Cthulhu (Classic) | Canada; 1930 |
| Mission to Canada | 170-183 | A Time To Harvest | CHA23176 | 2021 | Chaosium | Call of Cthulhu (Classic) | Canada; 1930 |
| Mission to the Moon | 4-14 | A Time to Harvest Episode 6 | | 2016 | Chaosium | Call of Cthulhu (Classic) | Vermont; 1930 |
| Mission to the Moon | 247-270 | A Time To Harvest | CHA23176 | 2021 | Chaosium | Call of Cthulhu (Classic) | Vermont; 1930 |
| Mohole | 107-148 | Petersen's Abominations | CHA23152 | 2017 | Chaosium | Call of Cthulhu (Now) | North Sea |
| Money, Equipment and Weapons | 109-130 | Cthulhu by Gaslight: Investigators' Guide | CHA23186 | Nov 2024 | Chaosium | Call of Cthulhu (Gaslight) | |
| Monsters | 87-88 | Keeper Tips | CHA5120 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Monsters from Folklore | 171-184 | Malleus Monstrorum Volume 1: Monsters of the Mythos | CHA23168 | 2020 | Chaosium | Call of Cthulhu (Classic) | |
| Monsters from Folklore | A:171-184 | Malleus Monstrorum Slipcase Set | CHA23170-X | 2020 | Chaosium | Call of Cthulhu (Classic) | |
| Monsters of the Mythos | 31-170 | Malleus Monstrorum Volume 1: Monsters of the Mythos | CHA23168 | 2020 | Chaosium | Call of Cthulhu (Classic) | |
| Monsters of the Mythos | A:31-170 | Malleus Monstrorum Slipcase Set | CHA23170-X | 2020 | Chaosium | Call of Cthulhu (Classic) | |
| Monsters, Beasts and Alien Gods | 278-342 | Keeper Rulebook | CHA23135 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Monsters, Beasts and Alien Gods | 278-342 | Keeper Rulebook | CHA23175 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Mythic Iceland | 23-30 | Cthulhu Through the Ages | CHA23146 | 2014 | Chaosium | Call of Cthulhu (Strange Aeons) | |
| Next Steps | B:22 | Call of Cthulhu Starter Set | CHA23158-X | 2018 | Chaosium | Call of Cthulhu (Classic) | |
| Non-Player Characters | 83-86 | Keeper Tips | CHA5120 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Notable Victorians | 111-142 | Cthulhu by Gaslight: Keeper's Guide | CHA23187 | Mar 2025 | Chaosium | Call of Cthulhu (Gaslight) | |
| Occult Secrets and The Golden Dawn | 43-76 | Cthulhu by Gaslight: Keeper's Guide | CHA23187 | Mar 2025 | Chaosium | Call of Cthulhu (Gaslight) | |
| Occupations | 66-93 | Investigator's Handbook | CHA23136 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Oh! You Pretty Things | | Berlin: The Wicked City | CHA23161 | 2019 | Chaosium | Call of Cthulhu (Classic) | |
| Old Bones | 153-186 | The Children of Fear | CHA23173 | 2020 | Chaosium | Call of Cthulhu (Classic) | India; 1920s |
| On the Banks of the Ohio | | On the Banks of the Ohio | | 2019 | Chaosium | Call of Cthulhu (Classic) | |
| Online Play | 89-90 | Keeper Tips | CHA5120 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| An Overview of Arkham | 11-24 | Arkham | CHA23182 | Feb 2024 | Chaosium | Call of Cthulhu (Classic) | |
| An Overview of the Game | 5-10 | Call of Cthulhu 7th Edition Quick Start | CHA23131 | 2013 | Chaosium | Call of Cthulhu (Classic) | |
| Overview of the Game | A:3-5 | Call of Cthulhu Starter Set | CHA23158-X | 2018 | Chaosium | Call of Cthulhu (Classic) | |
| Panacea | 69-106 | Petersen's Abominations | CHA23152 | 2017 | Chaosium | Call of Cthulhu (Now) | |
| Pandora's Box | 176-204 | Pulp Cthulhu | CHA23107 | 2016 | Chaosium | Call of Cthulhu (Classic) | 1930s |
| Paper Chase | C:7-18 | Call of Cthulhu Starter Set | CHA23158-X | 2018 | Chaosium | Call of Cthulhu (Classic) | Michigan; Ghoul |
| Peru | 47-90 | Masks of Nyarlathotep | CHA23153 | 2018 | Chaosium | Call of Cthulhu (Classic) | Peru; 1921 |
| Phobias | | Phobia Deck | CHA23139-KD1 | 2016 | Chaosium | Call of Cthulhu (Classic) | |
| Phobias | | Keeper Decks | CHA23139-KD | 2016 | Chaosium | Call of Cthulhu (Classic) | |
| Phobias | | Phobia Deck | CHA23184-KD1 | Sep 2024 | Chaosium | Call of Cthulhu (Classic) | |
| Players | 21-30 | Keeper Tips | CHA5120 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Playing the Game | 184-220 | Keeper Rulebook | CHA23135 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Playing the Game | 184-220 | Keeper Rulebook | CHA23175 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Preparation | 13-20 | Keeper Tips | CHA5120 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Props and Handouts | 91-100 | Keeper Tips | CHA5120 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Pulp Magic, Psychic Powers, and Weird Science | 81-89 | Pulp Cthulhu | CHA23107 | 2016 | Chaosium | Call of Cthulhu (Classic) | |
| Pulp Organizations | 44-59 | Pulp Cthulhu | CHA23107 | 2016 | Chaosium | Call of Cthulhu (Classic) | |
| Pulp Sanity | 74-80 | Pulp Cthulhu | CHA23107 | 2016 | Chaosium | Call of Cthulhu (Classic) | |
| Pulp Villains and Characters | 121-134 | Pulp Cthulhu | CHA23107 | 2016 | Chaosium | Call of Cthulhu (Classic) | |
| The Pulps | 9-14 | Pulp Cthulhu | CHA23107 | 2016 | Chaosium | Call of Cthulhu (Classic) | |
| Reference | 224-261 | Investigator's Handbook | CHA23136 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Resources | 103-104 | Keeper Tips | CHA5120 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Rewards of Success | B:22 | Call of Cthulhu Starter Set | CHA23158-X | 2018 | Chaosium | Call of Cthulhu (Classic) | |
| The Roaring Twenties | 160-207 | Investigator's Handbook | CHA23136 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Running Gaslight Games | 77-110 | Cthulhu by Gaslight: Keeper's Guide | CHA23187 | Mar 2025 | Chaosium | Call of Cthulhu (Gaslight) | |
| Running Pulp Games | 90-98 | Pulp Cthulhu | CHA23107 | 2016 | Chaosium | Call of Cthulhu (Classic) | |
| Sanity | 154-169 | Keeper Rulebook | CHA23135 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Sanity | B:16-17 | Call of Cthulhu Starter Set | CHA23158-X | 2018 | Chaosium | Call of Cthulhu (Classic) | |
| Sanity | 75-76 | Keeper Tips | CHA5120 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Sanity | 154-169 | Keeper Rulebook | CHA23175 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Schreckfilm | | Berlin: The Wicked City | CHA23161 | 2019 | Chaosium | Call of Cthulhu (Classic) | Germany |
| Science, Pseudoscience and the Occult | 141-174 | Cthulhu by Gaslight: Investigators' Guide | CHA23186 | Nov 2024 | Chaosium | Call of Cthulhu (Gaslight) | |
| Sensitivity | 31-32 | Keeper Tips | CHA5120 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Shattered Earth, Poison Sky | 63-84 | Shadows Over Stillwater | CHA23156 | 2019 | Chaosium | Call of Cthulhu (Darker Trails) | New Mexico; Serpentman |
| The Simulacrum Unbound | D:127-168 | Horror on the Orient Express | CHA23130 | 2014 | Chaosium | Call of Cthulhu (Now) | Turkey; 2013 |
| The Simulacrum Unbound | B:299-334 | Horror on the Orient Express | CHA23130-SET | 2020 | Chaosium | Call of Cthulhu (Now) | Turkey; 2013 |
| Skills | 54-79 | Keeper Rulebook | CHA23135 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Skills | 94-121 | Investigator's Handbook | CHA23136 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Skills | 54-79 | Keeper Rulebook | CHA23175 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Slow Boat to China | 205-234 | Pulp Cthulhu | CHA23107 | 2016 | Chaosium | Call of Cthulhu (Classic) | Pacific Ocean; 1931; Zombie; Hunting Horror |
| Song of the Lost and Forgotten | 97-152 | The Children of Fear | CHA23173 | 2020 | Chaosium | Call of Cthulhu (Classic) | India; China; 1920s |
| Spell Categories | 22-25 | The Grand Grimoire of Cthulhu Mythos Magic | CHA23141 | 2017 | Chaosium | Call of Cthulhu (Classic) | |
| Spirits of the Earth | 269-302 | The Children of Fear | CHA23173 | 2020 | Chaosium | Call of Cthulhu (Classic) | India; 1920s |
| Stonegarden Arizona | 129-150 | Shadows Over Stillwater | CHA23156 | 2019 | Chaosium | Call of Cthulhu (Darker Trails) | Arizona; Star Vampire; Rat Thing |
| Strange Berlin | | Berlin: The Wicked City | CHA23161 | 2019 | Chaosium | Call of Cthulhu (Classic) | |
| Swords and Arrows | 31-34 | Cthulhu Through the Ages | CHA23146 | 2014 | Chaosium | Call of Cthulhu (Strange Aeons) | |
| That Which Was Broken | 55-92 | The Curse of Nineveh | CB7355 | 2015 | Cubicle 7 | Call of Cthulhu (Classic) | London; 1925; Autumn |
| To The Gates of the Sun | 51-96 | The Children of Fear | CHA23173 | 2020 | Chaosium | Call of Cthulhu (Classic) | China; 1920s |
| A to Z of the Dark Ages | | Cthulhu Dark Ages | CHA23165 | 2020 | Chaosium | Call of Cthulhu (Dark Ages) | |
| Tomes of Eldritch Lore | 224-238 | Keeper Rulebook | CHA23135 | 2015 | Chaosium | Call of Cthulhu (Classic) | |
| Tomes of Eldritch Lore | 224-238 | Keeper Rulebook | CHA23175 | 2021 | Chaosium | Call of Cthulhu (Classic) | |
| Trouble on Knifecut Mesa | 37-62 | Shadows Over Stillwater | CHA23156 | 2019 | Chaosium | Call of Cthulhu (Darker Trails) | New Mexico; Serpentman |
| Uncovering Berlin | | Berlin: The Wicked City | CHA23161 | 2019 | Chaosium | Call of Cthulhu (Classic) | |
| Unfortunate Events | | Unfortunate Events Deck | CHA23139-KD3 | 2016 | Chaosium | Call of Cthulhu (Classic) | |
| Unfortunate Events | | Keeper Decks | CHA23139-KD | 2016 | Chaosium | Call of Cthulhu (Classic) | |
| Unfortunate Events | | Unfortunate Events Deck | CHA23184-KD3 | Sep 2024 | Chaosium | Call of Cthulhu (Classic) | |
| Unknowable - About the Gods of the Mythos | 9-22 | Malleus Monstrorum Volume 2: Deities of the Mythos | CHA23169 | 2020 | Chaosium | Call of Cthulhu (Classic) | |
| Unknowable - About the Gods of the Mythos | B:9-22 | Malleus Monstrorum Slipcase Set | CHA23170-X | 2020 | Chaosium | Call of Cthulhu (Classic) | |
| Using and Creating Monsters | 9-30 | Malleus Monstrorum Volume 1: Monsters of the Mythos | CHA23168 | 2020 | Chaosium | Call of Cthulhu (Classic) | |
| Using and Creating Monsters | A:9-30 | Malleus Monstrorum Slipcase Set | CHA23170-X | 2020 | Chaosium | Call of Cthulhu (Classic) | |
| Victorian Exploration | 131-140 | Cthulhu by Gaslight: Investigators' Guide | CHA23186 | Nov 2024 | Chaosium | Call of Cthulhu (Gaslight) | |
| Victorian Horrors | 143-172 | Cthulhu by Gaslight: Keeper's Guide | CHA23187 | Mar 2025 | Chaosium | Call of Cthulhu (Gaslight) | |
| Voice Over the Phone | 149-185 | Petersen's Abominations | CHA23152 | 2017 | Chaosium | Call of Cthulhu (Now) | Texas |
| Waiting for the Hurricane | 158-175 | Pulp Cthulhu | CHA23107 | 2016 | Chaosium | Call of Cthulhu (Classic) | Florida; September; 1935; Deep One |
| "We Missed You," Hissed the Love Cats | 23-26 | The Whisperer | 4 | Spr 2001 | Severn Valley Press | Call of Cthulhu (Dreamlands) | Dreamlands |
| Weapons and Artifacts | | Weapons and Artifacts Deck | CHA23139-KD4 | 2016 | Chaosium | Call of Cthulhu (Classic) | |
| Weapons and Artifacts | | Keeper Decks | CHA23139-KD | 2016 | Chaosium | Call of Cthulhu (Classic) | |
| Weapons and Artifacts | | Weapons and Artifacts Deck | CHA23184-KD4 | Sep 2024 | Chaosium | Call of Cthulhu (Classic) | |
| What is the Call of Cthulhu? | B:3-6 | Call of Cthulhu Starter Set | CHA23158-X | 2018 | Chaosium | Call of Cthulhu (Classic) | |
