| Title | Pages | Publication | Code | Date | Publisher | System (Setting) |
|---|
 13 Ghosts | 195-202 |  The Dread House | HDG8000 | 2017 | Hammerdog Games | Call of Cthulhu (Classic), Pathfinder, Dungeons and Dragons | Pennsylvania; 1921 |
| Against the Serpentfolk | |  Against the Serpentfolk | | 2021 | Petersen Games | Dungeons and Dragons | Fantasy World |
 Ancestries | 11-12 | Whispers in the Dark Quickstart | WitDQS | 2020 | Saturday Morning Scenarios | Dungeons and Dragons | |
| The Ancient Ages Again | | The Ancient Ages Again | | 2021 | Petersen Games | Dungeons and Dragons | Fantasy World; Yig; Elder Thing; Serpentman; Great Race of Yith |
| At The Mountains of Madness | | At The Mountains of Madness | RR004 | 2025 | Dungeon Matters | Dungeons and Dragons | Antarctica; 1930s |
| Backgrounds | 13-15 | Whispers in the Dark Quickstart | WitDQS | 2020 | Saturday Morning Scenarios | Dungeons and Dragons | |
| Backgrounds and Feats | 10-13 | Cthulhu By Torchlight | DBIRFDZMU | 2025 | Chaosium | Dungeons and Dragons | |
| Beyond the Veil | 167-185 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Call of Cthulhu (Classic), Pathfinder, Dungeons and Dragons | Pennsylvania; 1920s |
| The Bride's Carriage | 153-156 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Pathfinder, Dungeons and Dragons, Call of Cthulhu (Strange Aeons) [13th to 15th C] | Spain; 1681 |
| The Buried Zikurat | | The Buried Zikurat | DNH2 | 2017 | Fat Goblin Games | Dungeons and Dragons | Fantasy World |
| Carcosa | | Carcosa | DNH5 | 2018 | Fat Goblin Games | Dungeons and Dragons | Carcosa |
| Character Creation | 8-10 | Whispers in the Dark Quickstart | WitDQS | 2020 | Saturday Morning Scenarios | Dungeons and Dragons | |
| The City of Talos | | The City of Talos | DNH3 | 2017 | Fat Goblin Games | Dungeons and Dragons | Fantasy World |
| Clean Up Crew | 1-34 | Clean Up Crew | | 2019 | Petersen Games | Dungeons and Dragons | Fantasy World |
| The Colour Out of Space | | The Colour Out of Space | ES001 | 2024 | Dungeon Matters | Dungeons and Dragons | Fantasy World |
| Confronting Hastur | | Confronting Hastur | DNH4 | 2018 | Fat Goblin Games | Dungeons and Dragons | Hastur |
| The Crow Man | 38-57 | Whispers in the Dark Quickstart | WitDQS | 2020 | Saturday Morning Scenarios | Dungeons and Dragons | |
| Cthulhu Boss Stats | | Cthulhu Boss Stats | | 2016 | 00Games | Dungeons and Dragons | |
 Cults of the Mythos | 139-160 | Sandy Petersen's Cthulhu Mythos | | 2019 | Petersen Games | Dungeons and Dragons | |
| Dagon | | Dagon | RR005 | 2025 | Dungeon Matters | Dungeons and Dragons | Innsmouth; 1930s |
| Damage, Healing, and Rest | 23-25 | Whispers in the Dark Quickstart | WitDQS | 2020 | Saturday Morning Scenarios | Dungeons and Dragons | |
| The Dark Garden | 137-140 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Dungeons and Dragons, Call of Cthulhu (Strange Aeons) [13th to 15th C], Pathfinder | Spain; 1677; Autumn |
| Don't Fear the Ripper | | The Deeper Dark Trilogy | TLG78071 | 2020 | Troll Lord Games | Dungeons and Dragons | Fantasy World |
| The Doomed World | | The Doomed World | | 2021 | Petersen Games | Dungeons and Dragons | Fantasy World |
| The Dread Butcher | 150-152 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Call of Cthulhu (Strange Aeons) [13th to 15th C], Pathfinder, Dungeons and Dragons | Spain; 1680 |
| Dread Secrets | 226-232 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Pathfinder, Dungeons and Dragons, Call of Cthulhu (Classic) | Pennsylvania; 1935 |
| The Dread Wedding | 22-124 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Call of Cthulhu (Strange Aeons) [13th to 15th C], Pathfinder, Dungeons and Dragons | Spain; 1681 |
| Encore | 1-64 | Encore | | 2021 | Petersen Games | Dungeons and Dragons | Fantasy World |
| Equipment | 20-22 | Whispers in the Dark Quickstart | WitDQS | 2020 | Saturday Morning Scenarios | Dungeons and Dragons | |
| The Fall of the House of Tashmere | 157-158 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Pathfinder, Dungeons and Dragons, Call of Cthulhu (Strange Aeons) [13th to 15th C] | |
| The Fate of the Empire | | The Fate of the Empire | | 2021 | Petersen Games | Dungeons and Dragons | Fantasy World |
| The Feast of Black Annis | | The Deeper Dark Trilogy | TLG78071 | 2020 | Troll Lord Games | Dungeons and Dragons | Fantasy World |
| Feats | 16-19 | Whispers in the Dark Quickstart | WitDQS | 2020 | Saturday Morning Scenarios | Dungeons and Dragons | |
| The Final Voyage of Draengr Thar | 1-11 | The Final Voyage of Draengr Thar | | Jun 2022 | Self Published | Call of Cthulhu (Strange Aeons) [Viking], GURPS, Dungeons and Dragons | Norway |
| Gathering the First: Sana'a and the Ideal | 33-70 | The Oldskull Necronomicon | CO37 | Jun 2017 | Wonderland Imprints | Dungeons and Dragons | |
| Gathering the Fourth: OfAkhutu, the Cust of Cthulhu | 128-150 | The Oldskull Necronomicon | CO37 | Jun 2017 | Wonderland Imprints | Dungeons and Dragons | |
| Gathering the Second: Cthulhu, R'lyeh and Nightmare | 71-95 | The Oldskull Necronomicon | CO37 | Jun 2017 | Wonderland Imprints | Dungeons and Dragons | |
| Gathering the Third: The Death of Adaya | 96-127 | The Oldskull Necronomicon | CO37 | Jun 2017 | Wonderland Imprints | Dungeons and Dragons | |
| Geist in the Gears | 241-245 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Dungeons and Dragons, Call of Cthulhu (Strange Aeons) [Near Future], Pathfinder | Spain; 2117 |
| Ghatanothoa Awakens | 1-34 | Ghatanothoa Awakens | | 2019 | Petersen Games | Dungeons and Dragons | Fantasy World |
| Ghostcatchers | 219-223 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Call of Cthulhu (Classic), Pathfinder, Dungeons and Dragons | Pennsylvania; 1931 |
| Ghoulocracy | 1-30 | Ghoulocracy | | 2019 | Petersen Games | Dungeons and Dragons | Fantasy World |
| The Good Hound | 148-149 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Dungeons and Dragons, Call of Cthulhu (Strange Aeons) [13th to 15th C], Pathfinder | Spain; 1680 |
| Great Old Ones, Outer Gods, and Others | 161-276 | Sandy Petersen's Cthulhu Mythos | | 2019 | Petersen Games | Dungeons and Dragons | |
| The Green Pyramid | 1-38 | The Green Pyramid | | 2020 | Petersen Games | Dungeons and Dragons | Fantasy World |
| The Harrowing Hunger | 143-144 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Call of Cthulhu (Strange Aeons) [13th to 15th C], Pathfinder, Dungeons and Dragons | Spain; 1679 |
| The Haunter of the Dark | | The Haunter of the Dark | | 2025 | Dungeon Masters Guild | Dungeons and Dragons | Fantasy World |
| Herbert West: Reanimator | | Herbert West: Reanimator | RR003 | 2025 | Dungeon Matters | Dungeons and Dragons | United States; 1920s |
| Horrors | 4-29 | Black Book of B'Nar | SPB1 | 2017 | Embers Design Studios | Dungeons and Dragons | |
| Insanity and Dread | 70-84 | Sandy Petersen's Cthulhu Mythos | | 2019 | Petersen Games | Dungeons and Dragons | |
| Introduction | 6-21 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Call of Cthulhu (Strange Aeons) [13th to 15th C], Pathfinder, Dungeons and Dragons | |
| Introduction | 16-31 | The Oldskull Necronomicon | CO37 | Jun 2017 | Wonderland Imprints | Dungeons and Dragons | |
| Introduction | 4-5 | Whispers in the Dark Quickstart | WitDQS | 2020 | Saturday Morning Scenarios | Dungeons and Dragons | |
| The Jitters | 1-56 | The Jitters | | 2021 | Petersen Games | Dungeons and Dragons | Fantasy World |
| A Land Out Of Time | | A Land Out Of Time | | 2021 | Petersen Games | Dungeons and Dragons | Fantasy World |
| Lands of the Dark Wicche | 1-17 | Lands of the Dark Wicche | | Feb 2021 | Self Published | Dungeons and Dragons, Call of Cthulhu (Dark Ages), GURPS | Germany; 1500s |
| Legions of Leng | | Legions of Leng | | 2023 | Darrin Drader Designs | Dungeons and Dragons | |
| The Lost Temple of Forgotten Evil | | The Lost Temple of Forgotten Evil | DNH1 | 2016 | Fat Goblin Games | Dungeons and Dragons, OSR | Fantasy World |
| Lovecraftian Bestiary | | Lovecraftian Bestiary | BDPCC06 | 2009 | Goodman Games | Dungeons and Dragons | |
| Lovecraftian Bestiary | 3-6 | Lovecraftian Bestiary | | 2019 | WR Publishing | Dungeons and Dragons | |
| Lovecraftian Bestiary 2 | 2-5 | Lovecraftian Bestiary 2 | | 2019 | WR Publishing | Dungeons and Dragons | |
| Lovecraftian Horrors | 5-78 | Lovecraftian Horrors | MM3 | 2019 | Mal and Tal Enterprises | Dungeons and Dragons | |
| The Lovecraftian Mythos in Dungeons and Dragons | 18 |  Dragon | 12 | Feb 1978 | TSR | Dungeons and Dragons | |
| Lovecraftian Spells | | Lovecraftian Spells | | 2018 | Wandering Alchemist Games | Dungeons and Dragons | |
| Lullaby | | Lullaby | | 2021 | Petersen Games | Dungeons and Dragons | Fantasy World |
| The Machine Man | 213-217 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Call of Cthulhu (Classic), Pathfinder, Dungeons and Dragons | Pennsylvania; 1929 |
| Madness | 36- | Black Book of B'Nar | SPB1 | 2017 | Embers Design Studios | Dungeons and Dragons | |
| Madness and Sanity | 27-37 | Whispers in the Dark Quickstart | WitDQS | 2020 | Saturday Morning Scenarios | Dungeons and Dragons | |
| Magic | 31-35 | Black Book of B'Nar | SPB1 | 2017 | Embers Design Studios | Dungeons and Dragons | |
| Magic | 26 | Whispers in the Dark Quickstart | WitDQS | 2020 | Saturday Morning Scenarios | Dungeons and Dragons | |
| Monsters of the Mythos | 79-131 | Cthulhu By Torchlight | DBIRFDZMU | 2025 | Chaosium | Dungeons and Dragons | |
| Mythos | 6-7 | Whispers in the Dark Quickstart | WitDQS | 2020 | Saturday Morning Scenarios | Dungeons and Dragons | |
| Mythos Items and Texts | 119-138 | Sandy Petersen's Cthulhu Mythos | | 2019 | Petersen Games | Dungeons and Dragons | |
| Mythos Magic | | Mythos Magic | | 2019 | Kobold Press | Dungeons and Dragons | |
| Mythos Monsters | 3-68 | Mythos Monsters | LGP454HO045E | 2021 | Legendary Games | Dungeons and Dragons | |
| Mythos Monsters | 277-418 | Sandy Petersen's Cthulhu Mythos | | 2019 | Petersen Games | Dungeons and Dragons | |
| Mythos Player Character Races | 7-36 | Sandy Petersen's Cthulhu Mythos | | 2019 | Petersen Games | Dungeons and Dragons | |
| Mythos Spells | 46-59 | Cthulhu By Torchlight | DBIRFDZMU | 2025 | Chaosium | Dungeons and Dragons | |
| Mythos Tomes | 75-79 | Cthulhu By Torchlight | DBIRFDZMU | 2025 | Chaosium | Dungeons and Dragons | |
| Nightgaunt | 1-4 | Nightgaunt | | 2018 | Self Published | Dungeons and Dragons | |
| The Nightmare Children | | The Deeper Dark Trilogy | TLG78071 | 2020 | Troll Lord Games | Dungeons and Dragons | Fantasy World |
| Nightmares I | | Nightmares I | | 2021 | Petersen Games | Dungeons and Dragons | |
| Nithon | 1-36 | Nithon | | 2020 | Petersen Games | Dungeons and Dragons | Fantasy World |
| Oratorio | 1-74 | Oratorio | | 2021 | Petersen Games | Dungeons and Dragons | Fantasy World |
| Pan, His Majesty in Yellow | | Pan, His Majesty in Yellow | | 2022 | Wyrd Valley Press | Dungeons and Dragons | Fantasy World; Hastur |
| Passions and Dreadful Insights | 5-9 | Cthulhu By Torchlight | DBIRFDZMU | 2025 | Chaosium | Dungeons and Dragons | |
| The Peasants Have Lost Their Minds | | The Peasants Have Lost Their Minds | | 2020 | Dark By Dezign | Pathfinder, Dungeons and Dragons | Fantasy World; Mi-Go |
| Piercing the Veil | 186-190 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Pathfinder, Dungeons and Dragons, Call of Cthulhu (Classic) | Pennsylvania; 1919 |
| Player Backgrounds | 30 | Black Book of B'Nar | SPB1 | 2017 | Embers Design Studios | Dungeons and Dragons | |
| Player Character Options | 37-69 | Sandy Petersen's Cthulhu Mythos | | 2019 | Petersen Games | Dungeons and Dragons | |
| The Prehistory War | | The Prehistory War | | 2021 | Petersen Games | Dungeons and Dragons | Fantasy World |
| Queen of the Cats | 141-142 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Dungeons and Dragons, Call of Cthulhu (Strange Aeons) [13th to 15th C], Pathfinder | Spain; 1678 |
| The Rats in the Walls | | The Rats in the Walls | RR:001 | 2025 | Dungeon Matters | Dungeons and Dragons | 1920s |
| The Ritual | 1-50 | The Ritual | | 2020 | Petersen Games | Dungeons and Dragons | Fantasy World |
| River Crossing | | The Lost Temple of Forgotten Evil Sidequests | DNH1a | 2016 | Fat Goblin Games | Dungeons and Dragons, OSR | Fantasy World |
| Robert E Howard's Hyborea | 45-52 |  Gods, Demi-Gods and Heroes | 2006 | 1976 | TSR | Dungeons and Dragons | |
| Running the Mythos | 59-74 | Cthulhu By Torchlight | DBIRFDZMU | 2025 | Chaosium | Dungeons and Dragons | |
| The Secret of Cykronosh | 2-6 | The Secret of Cykranosh | | 2016 | Self Published | Dungeons and Dragons | Fantasy World; Formless Spawn of Tsathoggua |
| The Shadow Over Dunsmore Point | 5-63 | The Shadow Over Dunsmore Point | | 2019 | Self Published | Dungeons and Dragons | Fantasy World |
| The Shadow Over Innsmouth | | The Shadow Over Innsmouth | | 2024 | DMDave | Dungeons and Dragons | Fantasy World |
| The Silence of Eastpoint | 1-5 | The Silence of Eastpoint | | 2020 | Self Published | Dungeons and Dragons | Fantasy World |
| The Sinister Secret of Peppermarsh | 159-166 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Pathfinder, Dungeons and Dragons, Call of Cthulhu (Strange Aeons) [13th to 15th C] | 1951 |
| Skin Deep | | Skin Deep | | 2022 | Petersen Games | Dungeons and Dragons | Fantasy World |
| The Sleeper Rising | | The Sleeper Rising | | 2021 | Petersen Games | Dungeons and Dragons | Fantasy World |
| Spellcasting in the Mythos | 85-118 | Sandy Petersen's Cthulhu Mythos | | 2019 | Petersen Games | Dungeons and Dragons | |
| Stage Rehearsal | 1-54 | Stage Rehearsal | | 2021 | Petersen Games | Dungeons and Dragons | Fantasy World |
| Stay the Night | 234-240 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Call of Cthulhu (Now), Pathfinder, Dungeons and Dragons | Pennsylvania; 2017 |
| Subclasses | 13-46 | Cthulhu By Torchlight | DBIRFDZMU | 2025 | Chaosium | Dungeons and Dragons | |
| Sunken Temple | 8-77 | Sunken Temple | SAM3 | 2017 | Embers Design Studios | Dungeons and Dragons | Fantasy World |
| The Sweep and the Raven | 145-147 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Dungeons and Dragons, Call of Cthulhu (Strange Aeons) [13th to 15th C], Pathfinder | Spain; 1679 |
| Talismans of Hope | 133-136 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Call of Cthulhu (Strange Aeons) [13th to 15th C], Pathfinder, Dungeons and Dragons | Spain; 1677 |
| TechnoVampire | Feb 2021 |  shoggoth.net | | | Self Published | Dungeons and Dragons | |
| The Temple | | The Temple | RR002 | 2025 | Dungeon Matters | Dungeons and Dragons | At Sea; 1920s |
| Temple of Dagon | 4-21 | Temple of Dagon | | 2021 | Necromancer Games | Dungeons and Dragons | Fantasy World |
| Tomb of Nyarlathotep | 1-11 | Tomb of Nyarlathotep | | 2015 | Self Published | Dungeons and Dragons | |
| The Tome of the Dead | 207-211 | The Dread House | HDG8000 | 2017 | Hammerdog Games | Call of Cthulhu (Classic), Pathfinder, Dungeons and Dragons | Pennsylvania; 1926 |
| Using This Book | 1-6 | Sandy Petersen's Cthulhu Mythos | | 2019 | Petersen Games | Dungeons and Dragons | |
| Voyage to Farzeen | 1-46 | Voyage to Farzeen | | 2019 | Petersen Games | Dungeons and Dragons | Fantasy World |
| The Zepzeg Cycle | 1-42 | The Zepzeg Cycle | | 2020 | Petersen Games | Dungeons and Dragons | Fantasy World |
