| Title | Code | Date | Publisher | System (Setting) |
|---|
 d infinity | 3 | May 2012 | Skirmisher Publishing | Call of Cthulhu (Classic) |
 D-Day: The Darkest Day | MUH0010317 | May 2024 | Modiphius Entertainment | Achtung! Cthulhu |
| D100 Lovecraftian Headlines | | Jul 2023 | Tabletop Hub | Call of Cthulhu (Classic) |
| D100 Lovecraftian Rumours | | Jul 2023 | Tabletop Hub | Call of Cthulhu (Classic) |
 d20 Call of Cthulhu Gamesmaster's Pack * | CHA8801 | 2002 | Chaosium | Call of Cthulhu (Classic) |
| D20 Call of Cthulhu Lite | | 2003 | Self Published | Call of Cthulhu (d20) |
| D20 Wartime Rumours | | Jul 2023 | Tabletop Hub | Call of Cthulhu (WWI) |
 Daemon Sultan | CW-F7 | 2020 | Petersen Games | Cthulhu Wars |
 Dagon | 1 | Nov 1983 | Self Published | Call of Cthulhu (Classic) |
| Dagon | 2 | Feb 1984 | Self Published | Call of Cthulhu (Classic) |
| Dagon | 3 | Aug 1984 | Self Published | Call of Cthulhu (Now), Call of Cthulhu (Classic), Call of Cthulhu (Gaslight) |
| Dagon | 4 | Oct 1984 | Self Published | Call of Cthulhu (Classic) |
| Dagon | 10 | Nov 1985 | Self Published | Call of Cthulhu (Classic) |
| Dagon | 5 | Jan 1985 | Self Published | Call of Cthulhu (Classic) |
| Dagon | 6 | Mar 1985 | Self Published | Call of Cthulhu (Classic), Call of Cthulhu (Dreamlands), Call of Cthulhu (Strange Aeons) [1940] |
| Dagon | 7 | May 1985 | Self Published | Call of Cthulhu (Classic) |
| Dagon | 8 | Jul 1985 | Self Published | Call of Cthulhu (Classic) |
| Dagon | 9 | Sep 1985 | Self Published | Call of Cthulhu (Classic) |
| Dagon | 11 | Jan 1986 | Self Published | Call of Cthulhu (Classic), None |
| Dagon | 12 | Apr 1986 | Self Published | None, Call of Cthulhu (Classic) |
| Dagon | 13 | Jun 1986 | Self Published | Call of Cthulhu (Classic) |
| Dagon | 14 | Sep 1986 | Self Published | Call of Cthulhu (Classic) |
| Dagon | 15 | Nov 1986 | Self Published | Call of Cthulhu (Classic) |
| Dagon | 16 | Jan 1987 | Self Published | Call of Cthulhu (Classic) |
| Dagon | 17 | Apr 1987 | Self Published | Call of Cthulhu (Classic) |
| Dagon | 18,19 | Jul 1987 | Self Published | Call of Cthulhu (Classic) |
| Dagon | 20 | Nov 1987 | Self Published | Call of Cthulhu (Classic) |
| Dagon | 21 | Mar 1988 | Self Published | Call of Cthulhu (Classic) |
| Dagon | 22,23 | Sep 1988 | Self Published | Call of Cthulhu (Classic) |
| Dagon | 24 | Jan 1989 | Self Published | Call of Cthulhu (Gaslight) |
| Dagon | 25 | Jun 1989 | Self Published | Call of Cthulhu (Classic) |
| Dagon | 27 | Jun 1990 | Self Published | Call of Cthulhu (Classic) |
 Dagon | | 2018 | Officina Meningi | The Necronomicon Gamebook |
| Dagon | MIS5098 | 2021 | Misfit Studios | Mutants and Masterminds |
| Dagon Scenario Promo Card * | | 2015 | Passport Game Studios | Kingsport Festival |
| Dagon! | | 2021 | Dan Verssen Games | Warfighter |
| Dagon's Bones | | 2018 | Self Published | Dagon's Bones |
| Damnation View | WDF23300 | 2009 | WildFire Games | CthulhuTech |
| The Damned and the Degenerate | cr3005e | 2017 | Cthulhu Reborn | Call of Cthulhu (Convicts) |
| The Damp Man | | 1999 | Self Published | Call of Cthulhu (Now) |
| The Dance in the Blood | PELGT14 | 2010 | Pelgrane Press | Trail of Cthulhu |
| Dance of the Damned * | | 2011 | Fantasy Flight Games | Arkham Horror |
| Dance of the Damned * | EAH04 | 2011 | Fantasy Flight Games | Arkham Horror |
| Danger in Dunsmouth | | 2011 | Ad Infinitum Adventures | ICONS |
| Danger Island! | MUH0010335 | Aug 2023 | Modiphius Entertainment | Achtung! Cthulhu |
| Daniela Reyes Promo Card * | | 2018 | Fantasy Flight Games | Elder Sign |
| Danse Macabre | 2 | 1985 | Self Published | PBM Call of the Cultists |
| Daoloth Promo Card * | | 2011 | Fantasy Flight Games | Elder Sign |
| The Dare * | | 2017 | Sentinel Hill Press | Call of Cthulhu (Classic) |
| Dark Aeons: The Atlantean Chronicles | B002AD0148 | 2010 | Stardust Publications | Dark Aeons |
| Dark Aeons: The Atlantean Chronicles [Special Ed] | SP1000 | 2023 | Stardust Publications | Dark Aeons |
| The Dark Beyond | MUH0010321 | 2023 | Modiphius Entertainment | Achtung! Cthulhu |
| The Dark Brood | JCG019 | 2017 | Just Crunch Games | The Cthulhu Hack |
| Dark Crusades | CHA0414 | 2013 | Chaosium | Call of Cthulhu (Dark Ages) |
| Dark Cults | | 1983 | Dark House | Dark Cults |
| Dark Depths | | 2011 | Self Published | Cthulhu Dark |
| Dark Designs | CHA2332 | 1991 | Chaosium | Call of Cthulhu (Gaslight) |
| The Dark Forest | FXC-02 | 2019 | Stygian Fox | Call of Cthulhu (Now) |
| The Dark God Promo Card * | | 2014 | Fantasy Flight Games | Elder Sign |
 The Dark Gulf of N'kai | | | Self Published | Call of Cthulhu (Delta Green), Call of Cthulhu (Classic) |
| Dark Haunting * | | 2017 | Dark Cult Games | Call of Cthulhu (Classic) |
| Dark Island | | 1999 | Self Published | Call of Cthulhu (Now) |
| Dark Mirror | CHA0338 | 2007 | Chaosium | Call of Cthulhu (Classic) |
| Dark Offerings | | Apr 2019 | Chaosium | Call of Cthulhu (Now) |
| Dark Passions | WDF23200 | 2008 | WildFire Games | CthulhuTech |
| The Dark Pharaoh Herald | | 2006 | Fantasy Flight Games | Arkham Horror |
| The Dark Planet: Round 1 | | 2004 | Self Published | Call of Cthulhu (Classic) |
| The Dark Planet: Round 2 | | 2004 | Self Published | Call of Cthulhu (Classic) |
| Dark Revelations * | NAH16 | 2020 | Fantasy Flight Games | Arkham Horror: The Card Game |
| The Dark Ritual | | 2018 | Petersen Games | Evil High Priest |
| Dark Seas, Dark Dreams | | 2006 | ADP Systems | Call of Cthulhu (Classic) |
| Dark Secrets | | 2016 | Self Published | Rise of Cthulhu |
| Dark Side of the Moon * | AHC41 | 2019 | Fantasy Flight Games | Arkham Horror: The Card Game |
| Dark Stalker | BSD001 | 2020 | Parts Per Million | Dark Streets |
| Dark Streets | CW003002 | 2012 | Cakebread and Walton | Dark Streets |
| Dark Streets * | CW006001 | 2015 | Cakebread and Walton | Dark Streets |
| Dark Swamp | | 2016 | Cipher Bureau | Raiders of R'lyeh |
| Dark Tales | | 2011 | Self Published | Cthulhu Dark |
| Dark Tales from the Secret War * | MUH50200 | 2015 | Modiphius Entertainment | None |
 The Dark Times | 1 | Aut 2017 | Self Published | Call of Cthulhu (Now), Trail of Cthulhu, Dark Conspiracy, Call of Cthulhu (Delta Green) |
| The Dark Times | 2 | Jan 2018 | Self Published | Call of Cthulhu (Classic), None, Trail of Cthulhu |
| The Dark Times | 3 | May 2018 | Self Published | None |
| The Dark Times | 4 | Feb 2019 | Self Published | Trail of Cthulhu |
| Dark Trail | | 2013 | Self Published | GUMSHOE |
| Dark Trickery | | 2020 | Ringstrue Games | Dark Trickery |
| Dark Visions From Beyond | 0 | Nov 2023 | Chaosium | Call of Cthulhu (Now), Call of Cthulhu (Classic) |
| Dark Visitations | cr5203 | 2022 | Cthulhu Reborn | Cthulhu Eternal |
| The Dark Web | | Aug 2022 | Chaosium | Call of Cthulhu (Classic) |
| The Darkened Hermitage | | Aug 2021 | Chaosium | Call of Cthulhu (Classic) |
| The Darkic Language | | 2017 | Drakat Games | Call of Cthulhu (Classic) |
| The Darkic Language Addenda 1 | | 2017 | Drakat Games | Call of Cthulhu (Classic) |
| Darkisle Maps | | | Drakat Games | Call of Cthulhu (Classic) |
| Darkisle Resource Bundle | | | Drakat Games | Call of Cthulhu (Classic) |
| Darkness in the Void | FXC-17 | 2021 | Stygian Fox | Call of Cthulhu (Strange Aeons) [Near Future] |
| The Darkness Over Arkham | ARKJGre002 | 2024 | Aconyte Books | Arkham Horror Investigators |
| The Darkness Over Eaglescar | FXC-10 | 2020 | Stygian Fox | Call of Cthulhu (Now) |
| Darkship | | 2021 | Self Published | Cthulhu Dark, Mothership |
| Darkspace | | 2023 | Kabuki Kaiser | Cthulhu Dark |
| The Daughter of Set | | 2003 | Self Published | Call of Cthulhu (Classic) |
| Day of the Beast | CHA2374 | 1998 | Chaosium | Call of Cthulhu (Classic) |
| The Day Urda Sank | | 2014 | GRAmel | Wolsung |
| De Horrore Cosmico | GGP1502 | 2015 | Golden Goblin Press | Call of Cthulhu (Invictus) |
| De Profundis * | HOG405 | 2001 | Hogshead Games | De Profundis |
| De Profundis * | CB71401 | 2010 | Cubicle 7 | De Profundis |
| Dead Ashes Burn Again | | 2016 | Self Published | Lovecraftesque |
| Dead Boarder | | 2016 | Chaosium | Call of Cthulhu (Classic) |
| Dead Body Shore | | Nov 2023 | Chaosium | Call of Cthulhu (Classic) |
| Dead But Dreaming * | MRP0001 | 2009 | Miskatonic River Press | None |
| Dead But Dreaming 2 * | MRP0013 | 2011 | Miskatonic River Press | None |
| Dead Dogs and Black Roots | | 2004 | Self Published | Call of Cthulhu (Classic) |
| Dead Drops | APU8168 | 2024 | Arc Dream Publishing | Delta Green |
| Dead Elf | 4 | 1985 | Self Published | Call of Cthulhu (Classic) |
| Dead Flowers | cr5402 | Nov 2023 | Cthulhu Reborn | Cthulhu Eternal |
| Dead Leaves Fall | CHA0406 | 2011 | Chaosium | Call of Cthulhu (Atomic), Call of Cthulhu (Now), Call of Cthulhu (Strange Aeons) [1780s], Call of Cthulhu (Invictus), Call of Cthulhu (Classic) |
| Dead Letter | APU8152 | 2024 | Arc Dream Publishing | Delta Green |
| Dead Light | CHA23132 | 2013 | Chaosium | Call of Cthulhu (Classic) |
| Dead Light and Other Dark Turns | CHA23159 | 2019 | Chaosium | Call of Cthulhu (Classic) |
| Dead Man on Campus | | 2007 | Hamster Press | Dead Man on Campus |
| Dead Man's Dreams | | Aug 2021 | Chaosium | Call of Cthulhu (Now) |
| Dead Man's Peak * | | Aug 2024 | Chaosium | Call of Cthulhu (Classic) |
| Dead of Night | AHB04 | 2019 | Fantasy Flight Games | Arkham Horror |
| Dead Reckonings | CHA2373 | 1998 | Chaosium | Call of Cthulhu (Classic) |
| A Dead Whale or a Stove Boat | | 2000 | RPGA Network | Call of Cthulhu (Gaslight) |
| The Dead White World | PELGT19 | 2011 | Pelgrane Press | Trail of Cthulhu |
| Deadbeats | JCG031 | 2019 | Just Crunch Games | The Cthulhu Hack |
| The Deader | | 2011 | Stardust Publications | Dark Aeons |
| Deadly Dreams | 2HW-1091 | 2017 | Two Hour Wargames | Lovecraft's Revenge |
| Deadwave | cr3003 | 2012 | Cthulhu Reborn | Call of Cthulhu (Classic) |
| Dear Great Cthulhu, PLEASE Stop Giving Me Superpowers! | | 2021 | Basic and Bizarre | Diceless |
| Death in Dunwich | T-2 | 1983 | Theatre of the Mind Enterprises | Call of Cthulhu (Classic) |
| Death in Service | | Oct 2021 | Chaosium | Call of Cthulhu (Classic) |
| A Death in the Family | | 1992 | Self Published | Call of Cthulhu (Now) |
| Death is the Final Escape | | May 2022 | Chaosium | Call of Cthulhu (Classic) |
| The Death Knells | cr3005r | 2019 | Cthulhu Reborn | Call of Cthulhu (Convicts) |
| The Death of Sherlock Holmes | | 2006 | Self Published | Call of Cthulhu (Gaslight) |
| The Death of Simon Michaels | | 1997 | Self Published | Call of Cthulhu (Delta Green) |
| Death's Warm Embrace | | May 2021 | Chaosium | Call of Cthulhu (Classic) |
| Debate Night in America | | 2016 | Mystic Ages Publishing | The Cthulhu Hack |
| Debutants and Dagon | | Feb 2023 | Chaosium | Call of Cthulhu (Regency) |
| Decampment | | | Unknown | [None Listed] |
| Deeds Not Words | | Jun 2021 | Chaosium | Call of Cthulhu (Gaslight) |
| Deep Commitments | | | Self Published | [None Listed] |
| Deep Dream Shadows | | Aug 2022 | Chaosium | Call of Cthulhu (Classic) |
| The Deep Gate * | EAH13 | 2018 | Fantasy Flight Games | Arkham Horror |
| The Deep Gate * | NAH13 | 2018 | Fantasy Flight Games | Arkham Horror: The Card Game |
| Deep Mud | | Aug 2022 | Chaosium | Call of Cthulhu (Classic) |
| Deep Water | | 2010 | Self Published | Call of Cthulhu (Delta Green) |
| Deep, Once | | Jul 2019 | Chaosium | Call of Cthulhu (Classic) |
| Deep, Once | | 2019 | Self Published | The Cthulhu Hack |
| Deep-Seeded Secrets | | Apr 2022 | Chaosium | Call of Cthulhu (Classic) |
| The Deeper Arts | | Jun 2024 | Chaosium | Call of Cthulhu (Strange Aeons) |
| The Deeper Dark Trilogy | TLG78071 | 2020 | Troll Lord Games | Dungeons and Dragons |
| Deer Camp | | Jul 2023 | Chaosium | Call of Cthulhu (Classic) |
| Deities and Demigods * | 2013 | 1980 | TSR | Advanced Dungeons and Dragons |
| Deliver Us From Evil | | Jul 2024 | Chaosium | Call of Cthulhu (Strange Aeons) [1972] |
| Delta Dark | | 2013 | Self Published | Cthulhu Dark |
| Delta Green | PAG1005 | 1997 | Pagan Publishing | Call of Cthulhu (Delta Green) |
| Delta Green Anomalies | | | Self Published | Call of Cthulhu (Delta Green) |
| Delta Green Countdown | PAG1008 | 1999 | Pagan Publishing | Call of Cthulhu (Delta Green) |
| Delta Green d20 * | PAG1010 | 2006 | Pagan Publishing | Call of Cthulhu (Delta Green) |
| Delta Green Eyes Only * | PAG1013 | 2007 | Pagan Publishing | Call of Cthulhu (Delta Green) |
| Delta Green Eyes Only * | PAG2107 | 2007 | Pagan Publishing | Call of Cthulhu (Delta Green) |
| Delta Green Eyes Only Vol 1: Machinations of the Mi-Go | PAG2103 | 1998 | Pagan Publishing | Call of Cthulhu (Delta Green) |
| Delta Green Eyes Only Vol 2: The Fate | PAG2104 | 1998 | Pagan Publishing | Call of Cthulhu (Delta Green) |
| Delta Green Eyes Only Vol 3: Project Rainbow | PAG2106 | 2000 | Pagan Publishing | Call of Cthulhu (Delta Green) |
| Delta Green Plausible Deniability | | | Self Published | Call of Cthulhu (Delta Green) |
| Delta Green Quickstart | | 2015 | Arc Dream Publishing | Delta Green |
 Delta Green The Role Playing Game * | APU8116 | 2018 | Arc Dream Publishing | Delta Green |
| Delta Green/ITS Crossover 1.0 | | 2001 | Self Published | Call of Cthulhu (Delta Green), Into the Shadows |
| Delta Green: Dark Theatres * | | 1999 | Armitage House | None |
| Delta Green: PX Poker Night | | 2002 | Pagan Publishing | Call of Cthulhu (Delta Green) |
| Delta Green: Targets of Opportunity | PAG2108 | 2010 | Pagan Publishing | Call of Cthulhu (Delta Green) |
| Delta Green: The Rules of Engagement * | | 1999 | Armitage House | None |
| delta-green.com | | | Pagan Publishing | Call of Cthulhu (Delta Green) |
| Demon of Catheway | | 1996 | Self Published | Call of Cthulhu (Now) |
| The Demon of the Deep Leads | | Aug 2024 | Chaosium | Call of Cthulhu (Strange Aeons) [1854] |
| Demonground | 10 | Aut 2000 | Self Published | Call of Cthulhu (Classic) |
| Demonground | 9 | Sum 2000 | Self Published | Call of Cthulhu (Now) |
| Demonground | 11 | Mar 2001 | Self Published | Call of Cthulhu (Now) |
| Demonground | 12 | Jun 2001 | Self Published | Call of Cthulhu (Now), Call of Cthulhu (Classic) |
| Demonground | 15 | Sep 2002 | Self Published | Call of Cthulhu (Now) |
| Denied to the Enemy * | | 2010 | Armitage House | Call of Cthulhu (Classic) |
 Denizens of the Underworld | CT62 | 2014 | Fantasy Flight Games | Call of Cthulhu LCG |
| The Depths of Bermuda | | Aug 2022 | Chaosium | Call of Cthulhu (Classic) |
| The Depths of Yoth * | AHC24 | 2018 | Fantasy Flight Games | Arkham Horror: The Card Game |
| The Derelict * | CHA23150 | 2016 | Chaosium | Call of Cthulhu (Classic) |
| Derring-Do | 1.1 | Dec 2020 | Adventure Game Society | Call of Cthulhu (Classic) |
| The Descendants of Druids | | 2023 | Trollgodfather Press | Tunnels and Trolls |
| Descending Darkness | 1 | 1986 | Self Published | Call of Cthulhu (Classic) |
| Descending Darkness | 2 | 1986 | Self Published | Call of Cthulhu (Classic) |
| Desert Wrath | | 2016 | Devil Pig Games | Shadows Over Normandie |
| Desperate Depths | | | Self Published | Call of Cthulhu (WWII) |
| Despicable Deeds | | 2016 | Wayward Rogues Publishing | Pathfinder |
| Detroit Apoc City | | 2019 | Dangerous Worlds | Don't Let Them Take You Alive |
| The Devil and the Drum | | Jan 2023 | Chaosium | Call of Cthulhu (Strange Aeons) [1946] |
| Devil Boy | | 2015 | Devil Pig Games | Shadows Over Normandie |
| Devil Reef * | AHC54 | 2020 | Fantasy Flight Games | Arkham Horror: The Card Game |
| The Devil to Play | cr3005t | 2020 | Cthulhu Reborn | Call of Cthulhu (Convicts) |
| The Devil's Advocate | v2n1 | | Self Published | Call of Cthulhu (Classic) |
| Devil's Children | PAG1001 | 1993 | Pagan Publishing | Call of Cthulhu (Now), Call of Cthulhu (Strange Aeons) [1692] |
| Devil's Children | | 2004 | Pagan Publishing | Call of Cthulhu (Strange Aeons) [1692], Call of Cthulhu (Now) |
| Devil's Swamp | NCG-DS-HC-1 | 2018 | New Comet Games | Call of Cthulhu (Classic) |
| Devilarium: Thornen Servant | | May 2020 | Chaosium | Call of Cthulhu (Now) |
| Deviletarium | | Oct 2020 | Chaosium | Call of Cthulhu (Classic) |
| The Dhampir | | 2011 | Stardust Publications | Dark Aeons |
| Diablerie | | Oct 2021 | Chaosium | Call of Cthulhu (Now) |
 Dice Bag and Cup | | 2017 | Petersen Games | Cthulhu Wars |
| Dice of Arkham | | 2012 | Initiativet | Dice of Arkham |
| Dice of Doom | QWS SMUN21 | 2009 | Q Workshop | Munchkin |
| Die Rubezahl | 1 | 1986 | Self Published | Call of Cthulhu (Classic) |
| Die Rubezahl | 3 | 1986 | Self Published | Call of Cthulhu (Classic) |
| Different Worlds | 19 | Feb 1982 | Chaosium | Call of Cthulhu (Classic) |
| Different Worlds | 20 | Mar 1982 | Chaosium | Call of Cthulhu (Classic) |
| Different Worlds | 25 | Nov 1982 | Chaosium | Call of Cthulhu (Classic) |
| Different Worlds | 26 | Jan 1983 | Chaosium | Call of Cthulhu (Classic) |
| Different Worlds | 27 | Mar 1983 | Chaosium | Call of Cthulhu (Classic) |
| Different Worlds | 28 | Apr 1983 | Chaosium | Call of Cthulhu (Classic) |
| Different Worlds | 29 | Jun 1983 | Chaosium | Call of Cthulhu (Classic) |
| Different Worlds | 30 | Sep 1983 | Chaosium | Call of Cthulhu (Classic) |
| Different Worlds | 32 | Jan 1984 | Chaosium | Call of Cthulhu (Classic) |
| Different Worlds | 34 | May 1984 | Chaosium | Call of Cthulhu (Classic) |
| Different Worlds | 35 | Jul 1984 | Chaosium | Superworld, Call of Cthulhu (Classic), Villains and Vigilantes, Champions |
| Different Worlds | 36 | Sep 1984 | Chaosium | Call of Cthulhu (Classic) |
| Different Worlds | 37 | Nov 1984 | Chaosium | Call of Cthulhu (Classic) |
| Different Worlds | 38 | Jan 1985 | Chaosium | Call of Cthulhu (Classic) |
| Different Worlds | 39 | May 1985 | Chaosium | Call of Cthulhu (Classic) |
| Different Worlds | 40 | Jul 1985 | Chaosium | Call of Cthulhu (Classic) |
| Different Worlds | 41 | Jan 1986 | Chaosium | Call of Cthulhu (Dreamlands), Call of Cthulhu (Classic) |
| Different Worlds | 42 | May 1986 | Chaosium | Call of Cthulhu (Classic) |
| Different Worlds | 43 | Jul 1986 | Chaosium | Call of Cthulhu (Classic) |
| Different Worlds | 44 | Nov 1986 | Chaosium | Call of Cthulhu (Atomic), Call of Cthulhu (Classic), Call of Cthulhu (Now) |
| Different Worlds | 45 | Mar 1987 | Chaosium | Call of Cthulhu (Classic), Call of Cthulhu (Now) |
| Different Worlds | 47 | Aut 1987 | Chaosium | Call of Cthulhu (Classic) |
| The Dig | SM01 | 2007 | Self Published | Call of Cthulhu (Rising) |
| Diggin' Up the World | SSP001 | 2008 | Sixtystone Press | Call of Cthulhu (Classic) |
| The Dilemma in the Desert | | Mar 2022 | Chaosium | Call of Cthulhu (Classic) |
| Dim Carcosa * | AHC17 | 2018 | Fantasy Flight Games | Arkham Horror: The Card Game |
| The Dinner Guests | | 2015 | Self Published | Trail of Cthulhu |
| Dinner With Susan | | 2010 | Self Published | Call of Cthulhu (Now) |
| Dire Azathoth | CW-U27 | 2019 | Petersen Games | Cthulhu Wars |
| Dire Consequences * | 1002 | 2011 | Unbound Publishing | Call of Cthulhu (Gaslight) |
| Dire Cthulhu | CW-U13 | 2019 | Petersen Games | Cthulhu Wars |
| Dire Documents | CHA5112 | 1993 | Chaosium | Call of Cthulhu (Classic) |
| Director's Screen | | 2009 | Stardust Publications | Dark Aeons |
| The Dirge of Reason * | EAH11 | 2018 | Fantasy Flight Games | Arkham Horror |
| The Dirge of Reason * | NAH11 | 2018 | Fantasy Flight Games | Arkham Horror: The Card Game |
| The Disappearance in Montignac | | Dec 2021 | Chaosium | Call of Cthulhu (Now) |
| The Disappearance of a Student | | 2022 | Space Cowboys | Bureau of Investigation |
| Disaster at Monongah Mining Company | | 2015 | Self Published | Trail of Cthulhu |
| The Dispensatory of Doctor Macdead | cr3005k | 2018 | Cthulhu Reborn | Call of Cthulhu (Convicts) |
| The Dispossessed | | 2001 | Self Published | Call of Cthulhu (Classic) |
| Dissecting Cthulhu - Essays on the Cthulhu Mythos * | MRP0015 | 2011 | Miskatonic River Press | None |
| Dissonance | | Nov 2021 | Chaosium | Call of Cthulhu (Classic) |
| Distant Vistas | BPI7501 | 2013 | Battlefield Press | Eldritch Skies |
| Distant Vistas | BPI7506 | 2014 | Battlefield Press | Savage Worlds |
| A Dive to Strange Depths | | May 2023 | Chaosium | Call of Cthulhu (Classic) |
| Divine | | 2013 | Self Published | Call of Cthulhu (Delta Green) |
| Division 13: Guardians of the Unknown | | Nov 2023 | Chaosium | Call of Cthulhu (Now) |
| Dizneyland Fhtagn | | 2018 | First United Church of Cthulhu | Don't Let Them Take You Alive |
| Do Chatbots Dream of Eldritch Beasts | | Jan 2023 | Chaosium | Call of Cthulhu (Now) |
| Do You Worship Cthulhu? | | 2006 | Toy Vault | Do You Worship Cthulhu? |
| Dockside Dogs | PFRL001 | 2012 | Paul Fricker Publication | Call of Cthulhu (Now) |
| Dockside Dogs * | | Dec 2021 | Chaosium | Call of Cthulhu (Now) |
| Does Love Forgive? | CHA23172 | 2020 | Chaosium | Call of Cthulhu (Classic) |
| The Dollhouse and other adventure ideas | | Jan 2024 | Chaosium | Call of Cthulhu (Now) |
| Don't Fear the Ripper | TLG76122 | 2017 | Troll Lord Games | Amazing Adventures |
| Don't Let Them Take You Alive | | 2017 | First United Church of Cthulhu | Don't Let Them Take You Alive |
| Don't Mess With Cthulhu | | 2014 | Indie Boards and Cards | Don't Mess With Cthulhu |
| Don't Wake Up Cthulhu! | | 2020 | Don't Panic Games | Don't Wake Up Cthulhu! |
| Doom and Ritual Tracks | CW-E17 | 2019 | Petersen Games | Cthulhu Wars |
| The Doom From Below | OWC4002 | 2008 | Super Genius | Call of Cthulhu (Classic) |
| Doom Guard | | 2024 | Pinnacle Entertainment Group | Doom Guard |
| The Doom That Came to Atlantic City | | 2013 | Cryptozoic Entertainment | The Doom That Came to Atlantic City |
| The Doom That Came to Five Docks | cr3005j | 2018 | Cthulhu Reborn | Call of Cthulhu (Convicts) |
| Doomed Dwarves' Journal | | 1985 | Self Published | Call of Cthulhu (Classic) |
| The Door is Open | | 2023 | Gallant Knight Games | Tiny Cthulhu |
| The Door To Saturn | | 2012 | Self Published | Arkham Horror |
| Door to the Sky | | Oct 2020 | Chaosium | Call of Cthulhu (Classic) |
| Doors to Darkness | CHA23148 | 2015 | Chaosium | Call of Cthulhu (Classic) |
| The Doors to Heaven | PELGY2019 | 2022 | Pelgrane Press | The Yellow King |
| Dossier No 1: The Maw | | Oct 2022 | Chaosium | Call of Cthulhu (Classic) |
| DotDotAsh | | Apr 2024 | Xipe Totec Press | Call of Cthulhu (Now), Cthulhu Dark, Trail of Cthulhu, Delta Green |
| Double Agent * | | 2018 | Indie Boards and Cards | Don't Mess With Cthulhu |
| Double Jeopardy | THC001 | 2019 | Matakishi's Tea House | The Cthulhu Hack |
| Down Darker Trails | CHA23151 | 2017 | Chaosium | Call of Cthulhu (Darker Trails) |
| Down in the Delta | | 2018 | Arc Dream Publishing | Delta Green |
| Down into the Abyss | | 2023 | Godot Games | Among Cultists |
| Down New England Town * | | May 2018 | Chaosium | Call of Cthulhu (Classic) |
| Down To New England Town | | 1997 | Self Published | Call of Cthulhu (Now) |
| Downtime Events Generator | | Sep 2024 | Chaosium | Cthulhu Eternal |
| Dr Clarke's Cabin | | Jan 2020 | Chaosium | Call of Cthulhu (Classic) |
| Dr Jin Wu Promo Card | | 2018 | Smirk and Dagger Games | Tower of Madness |
| Dracula, the Great Old One | | Dec 2022 | Chaosium | Call of Cthulhu (Classic) |
| Dragon | 12 | Feb 1978 | TSR | Dungeons and Dragons |
| Dragon | 95 | Mar 1985 | TSR | Call of Cthulhu (Classic) |
| Dragon | 126 | Oct 1987 | TSR | Call of Cthulhu (Classic) |
| Dragon | 138 | Oct 1988 | TSR | Call of Cthulhu (Classic) |
| Dragon | 139 | Nov 1988 | TSR | Call of Cthulhu (Classic) |
| Dragon | 150 | Oct 1989 | TSR | Call of Cthulhu (Classic) |
| Dragon | 162 | Oct 1990 | TSR | Call of Cthulhu (Classic) |
| Dragon | 198 | Oct 1993 | TSR | Call of Cthulhu (Classic) |
| Dragon | 210 | Oct 1994 | TSR | Call of Cthulhu (Classic) |
| Dragon | 222 | Oct 1995 | TSR | Call of Cthulhu (Classic) |
| Dragon | 223 | Nov 1995 | TSR | Call of Cthulhu (Classic) |
| Dragon d20 Special | | 2001 | Paizo Publishing | Call of Cthulhu (d20) |
| The Dragon of Wantley | | Mar 2022 | Chaosium | Call of Cthulhu (Classic) |
| Dragonmeet 2014 Official Programme * | | 2014 | Self Published | Achtung! Cthulhu, Call of Cthulhu (Laundry) |
| Dragons and Six-shooters | | 2019 | Self Published | Yes Sir |
| Dramatis Personae | | 2021 | Triple Ace Games | Leagues of Adventure |
| Dramatis Personae Pack | | Jun 2024 | Chaosium | Call of Cthulhu (Classic) |
| Drawing the Silver Key | | 2023 | Gallant Knight Games | Tiny Cthulhu |
| Drawn from the Dark | | Jan 2018 | Chaosium | Call of Cthulhu (Classic) |
| The Dread From Geneva Lake | | Mar 2022 | Gaxx Worx | Call of Cthulhu (Now) |
| The Dread House | HDG8000 | 2017 | Hammerdog Games | Dungeons and Dragons, Pathfinder, Call of Cthulhu (Classic) |
| Dread Shadows in Paradise * | | 2016 | Golden Goblin Press | Call of Cthulhu (Classic) |
| DreadCon | | Aug 2019 | Chaosium | Call of Cthulhu (Now) |
| Dreadcrawls #0 | GRR6420 | 2023 | Green Ronin Publishing | Cthulhu Awakens |
| Dreadful Mistakes Volume 1 | | 2020 | Four Guys and a Broken Dwarf | Call of Cthulhu (Classic) |
| Dream House | | Mar 2021 | Chaosium | Call of Cthulhu (Classic) |
| Dream Phone of Cthulhu * | | 2020 | Self Published | Dream Phone of Cthulhu |
| Dream Quest | | 2020 | Self Published | Dream Quest |
| The Dream-Eaters * | AHC37 | 2019 | Fantasy Flight Games | Arkham Horror: The Card Game |
| The Dream-Eaters: Campaign Expansion | AHC79EN | 2024 | Fantasy Flight Games | Arkham Horror: The Card Game |
| The Dream-Quest of Unknown Kadath | | 2019 | Man O'Kent Games | The Dream-Quest of Unknown Kadath |
| Dreamers of the Bogland | | Aug 2023 | Chaosium | Call of Cthulhu (Now) |
| Dreamescape | | 2023 | BadCat Games | Dreamescape |
| Dreamhounds of Paris | PELGT38 | 2014 | Pelgrane Press | Trail of Cthulhu |
| The Dreaming Prince | CHA0399 | 2011 | Chaosium | Call of Cthulhu (Classic), Call of Cthulhu (Now) |
| The Dreaming Stone | CHA2368 | 1997 | Chaosium | Call of Cthulhu (Dreamlands) |
| Dreamlands | CAO1307-1 | 1997 | Chaosium | Mythos |
| The Dreamlands | EH07 | 2017 | Fantasy Flight Games | Eldritch Horror |
| Dreamlands Adventures | | 2012 | Self Published | Dreamlands Adventures |
| Dreamlands Map | CW-M02 | 2015 | Petersen Games | Cthulhu Wars |
| Dreamlands Map 4 | | Mar 2023 | Chaosium | Call of Cthulhu (Dreamlands) |
| Dreamlands Map 5 | | Mar 2023 | Chaosium | Call of Cthulhu (Dreamlands) |
| The Dreamlands Surface Monster Pack | CW-U01 | 2015 | Petersen Games | Cthulhu Wars |
| The Dreamlands Underworld Monster Pack | CW-U02 | 2015 | Petersen Games | Cthulhu Wars |
| DreamQuest | | | BadCat Games | [None Listed] |
| Dreams in the Deep | | 2015 | Self Published | Trail of Cthulhu |
| The Dreams in the Witch House | | Feb 2023 | Steve Jackson Games | Choose Cthulhu |
| Dreams of Cthulhu | | 2019 | One Dwarf Army | Dreams of Cthulhu |
| Dreams of Ghaa-Xothal | | Aug 2023 | Chaosium | Call of Cthulhu (Classic) |
| Dreams of Orange | | 2017 | Self Published | Call of Cthulhu (Delta Green) |
| Dreams of the Deep | SP1006 | 2011 | Stardust Publications | Dark Aeons |
| Dreams of the Old Ones | AGD2007 | 2014 | Aegis Studios | Myriad |
| Dreams of the Yellow King | PZO90111 | 2016 | Paizo Publishing | Pathfinder |
| Dreams to Fill the Vacuum | | Oct 2021 | Chaosium | Call of Cthulhu (Now) |
| drelb.free.fr | | | Self Published | Call of Cthulhu (Now), Call of Cthulhu (Classic) |
| The Drooler in the Dark | | 1998 | Self Published | Call of Cthulhu (Classic) |
| The Drooler in the Dark * | | Mar 2018 | Chaosium | Call of Cthulhu (Classic) |
| The Drop | | Jan 2024 | Chaosium | Call of Cthulhu (Now) |
| A Drop of Nelson's Blood | | May 2023 | Chaosium | Call of Cthulhu (Regency) |
| Drow | 1 | Dec 1992 | Creative Aspects | Call of Cthulhu (Classic) |
| Drowned Dreams | | 2024 | Daylight Publications | dayLITE |
| The Drowned Lands | | 2021 | Last Redoubt Games | The Drowned Lands |
| Dual Expansion Set | | 2018 | Dynamite Entertainment | Reanimator |
| Dubious Shards | RA001 | 2006 | Atomic Overmind Press | Call of Cthulhu (Classic) |
| Dulce Et Decorun Est | PELGT32 | 2014 | Pelgrane Press | Trail of Cthulhu |
| The Dunbitch Horror | cth002 | 2009 | Postmortem Studios | Call of Cthentacle |
| Dungeons and Dagon Player's Pamphlet | | 2014 | Self Published | Dungeons and Dagon |
| Dunraven Mystique | | 2023 | Penguin Comics | None |
| Dunwich Denizens | | 2006 | Fantasy Flight Games | Call of Cthulhu CCG |
| Dunwich Denizens | CT15e | 2011 | Fantasy Flight Games | Call of Cthulhu LCG |
| Dunwich Horror | VA32 | 2006 | Fantasy Flight Games | Arkham Horror |
| The Dunwich Horror | | 2018 | Sixpence Games | Cultists of Cthulhu |
| The Dunwich Horror | | Feb 2023 | Steve Jackson Games | Choose Cthulhu |
| The Dunwich Horror Herald | | 2006 | Fantasy Flight Games | Arkham Horror |
| The Dunwich Horror [spg] | | 2023 | Petersen Games | Cthulhu Wars |
| The Dunwich Legacy * | AHC02 | 2017 | Fantasy Flight Games | Arkham Horror: The Card Game |
| The Dunwich Legacy: Campaign Expansion * | | 2022 | Fantasy Flight Games | Arkham Horror: The Card Game |
| The Dunwich Legacy: Investigator Expansion * | | 2022 | Fantasy Flight Games | Arkham Horror: The Card Game |
| Dunwich Village Poster Maps | | 2020 | Lore Wise Games | Call of Cthulhu (Classic) |
| The Durian Hotel | | Oct 2021 | Chaosium | Call of Cthulhu (Now) |
| Dweller in the Deep * | EAH03 | 2013 | Fantasy Flight Games | Arkham Horror |
| Dwellers in Nightmare | AGD2008 | 2014 | Aegis Studios | Myriad |
| Dwellers in Shadow | 0004 | Jul 1996 | Triad Entertainments | Call of Cthulhu (Classic) |
| The Dwindered Men | | 2023 | Bolt Thrower Press | Tunnels and Trolls |
| The Dying of St Margaret's | PELGT07 | 2009 | Pelgrane Press | Trail of Cthulhu |