| Title | Code | Date | Publisher | System (Setting) |
|---|
 Baba Dochia | | Aug 2022 | Chaosium | Call of Cthulhu (Now) |
 Baby Cthulhu Promo Card | P1 | 2005 | New Media Publishing | MiniMonFa |
| Back to Nature | | Oct 2022 | Chaosium | Call of Cthulhu (Strange Aeons) [1974] |
| Bad Blood * | | Dec 2020 | Fantasy Flight Games | Arkham Horror: The Card Game |
| Bad Day at Hanging Rock | | Nov 2021 | Chaosium | Call of Cthulhu (Classic) |
| The Bad Place | | 2003 | Self Published | Call of Cthulhu (Now) |
| Bad Tidings | | Apr 2023 | Chaosium | Call of Cthulhu (Classic) |
 Bag of Cthulhu | CT25 | | Fantasy Flight Games | [None Listed] |
| A Baker's Dozen of Sorcerous Items | AGETT0001 | 2021 | Azukail Games | Eldritch Tales |
| A Balance of Blood | | Aug 2019 | Chaosium | Call of Cthulhu (Invictus) |
| The Ballad of Bass Rock | CB6301 | 2012 | Cubicle 7 | Call of Cthulhu (Now) |
| The Ballad of Thirteen Deaths | | Nov 2020 | Chaosium | Call of Cthulhu (Classic) |
 Balrog Banter | 4 | 1986 | Self Published | Call of Cthulhu (Classic) |
| A Banker's Folly | | Oct 2023 | Chaosium | Call of Cthulhu (Classic) |
| Barkham Horror: The Meddling of Meowlathotep * | PAHC01 | 2020 | Fantasy Flight Games | Arkham Horror: The Card Game |
| Barsoom | WDF33400 | 2013 | WildFire Games | The Void |
 Baruch's Burden | | 2009 | Self Published | Yellow Dawn |
| The Baskwood Island Hotel | | Aug 2021 | Chaosium | Call of Cthulhu (Classic) |
| Bathory's Children | | May 2019 | Chaosium | Call of Cthulhu (Now) |
| Battle Dice | CW-U14 | 2018 | Petersen Games | Cthulhu Wars |
 Bayt al Azif | 1 | Oct 2018 | Bayt al Azif Inc | Call of Cthulhu (Classic), Call of Cthulhu (Now), Call of Cthulhu (Strange Aeons) [1968], Call of Cthulhu (Dark Ages) |
| Bayt al Azif | 2 | Sep 2019 | Bayt al Azif Inc | Call of Cthulhu (Classic) |
| Bayt al Azif | 3 | Nov 2020 | Bayt al Azif Inc | Call of Cthulhu (Strange Aeons) [1960s], Call of Cthulhu (Classic), Call of Cthulhu (Now) |
| Bayt al Azif | 4 | Jan 2022 | Bayt al Azif Inc | Call of Cthulhu (Now), Trail of Cthulhu, Call of Cthulhu (Classic) |
| Bayt al Azif | 5 | May 2023 | Bayt al Azif Inc | Call of Cthulhu (Classic), Call of Cthulhu (Strange Aeons) [Trojan War], Call of Cthulhu (Now), Cthulhu Dark, Call of Cthulhu (Invictus) |
| Be Good Neighbours | | Mar 2024 | Chaosium | Call of Cthulhu (Classic) |
| Be My Valentine | | Aug 2022 | Chaosium | Call of Cthulhu (Classic) |
| Beach Blanket Bloodbath | | Apr 2022 | Chaosium | Call of Cthulhu (Strange Aeons) [1960s], Call of Cthulhu (Classic), Call of Cthulhu (Now) |
| The Beached Thing | | 2022 | Gallant Knight Games | Tiny Cthulhu |
| Beast | | 2014 | Self Published | Cthulhu Dark |
| Beast of Bladenboro | | 2016 | Self Published | Lovecraftesque |
| The Beast of Gevaudan | | Sep 2022 | Chaosium | Call of Cthulhu (Strange Aeons) [1765] |
| Beasts From Beyond | FOEG:BFBY | 2017 | Greater Than Games | Fate of the Elder Gods |
| Beasts From Beyond Ghoul | | 2017 | Greater Than Games | Fate of the Elder Gods |
| Beasts From Beyond Shan | | 2017 | Greater Than Games | Fate of the Elder Gods |
| Beasts of Bright Mountain | | 2017 | Wayward Rogues Publishing | Pathfinder |
| Before the Black Throne * | AHC35 | 2019 | Fantasy Flight Games | Arkham Horror: The Card Game |
| Before the End | | 2023 | Mind's Vision | The Legacy of Cthulhu |
| Before the Fall | CHA2377 | 1998 | Chaosium | Call of Cthulhu (Classic) |
| Before the Flood * | MUH050558 | 2016 | Modiphius Entertainment | None |
| Behind Door Number 3 Promo Card | | Aug 2010 | Steve Jackson Games | Munchkin |
 Behind Enemy Lines | | 2022 | Modiphius Entertainment | Achtung! Cthulhu |
| Belly of Rot | | 2016 | Wayward Rogues Publishing | Pathfinder |
| Belly of the Beast | | 2011 | Reality Blurs | Savage Worlds (Realms of Cthulhu) |
| Beltaine and the Beast | | 2016 | Self Published | Call of Cthulhu (Classic) |
| Ben's Game Shop | 58125 | 2015 | Devil Pig Games | Shadows Over Normandie |
| Berlin: The Wicked City | CHA23161 | 2019 | Chaosium | Call of Cthulhu (Classic) |
| The Bermuda Triangle | CHA2372 | 1998 | Chaosium | Call of Cthulhu (Now) |
| The Best of White Dwarf III | | 1985 | Games Workshop | Call of Cthulhu (Classic) |
| The Bet | | 2001 | Self Published | Call of Cthulhu (Classic) |
| Beta Maxxthulhu | BMT.AE | 2018 | Halfling Caravan Games | Beta Maxx |
| Beyond the Edge of Darkness | | Oct 2024 | Chaosium | Call of Cthulhu (Classic) |
| Beyond the Flesh | | Mar 2021 | Chaosium | Call of Cthulhu (Gaslight) |
| Beyond the Mountains of Madness | CHA2380 | 1999 | Chaosium | Call of Cthulhu (Classic) |
| Beyond the Stars | | Nov 2023 | Chaosium | Call of Cthulhu (Classic) |
| Beyond the Threshold | MAD23 | 2017 | Fantasy Flight Games | Mansions of Madness |
| Beyond the Veil | | 2016 | Dan Verssen Games | The Cards of Cthulhu |
| Beyond the Veil of Dreams: Susupti | | Jul 2022 | Chaosium | Call of Cthulhu (Now) |
| Beyond the Void | LG020CC15L | 2013 | Legendary Games | Pathfinder |
| Beyond Time and Space | CW-U11 | 2019 | Petersen Games | Cthulhu Wars |
| Bibliophobia | | Dec 2021 | Chaosium | Call of Cthulhu (Classic) |
| The Big Book of Cults | CHA0316 | 2005 | Chaosium | Call of Cthulhu (Now) |
| The Big Hoodoo | PELGT18 | 2011 | Pelgrane Press | Trail of Cthulhu |
| The Big-Game Hunt | | Mar 2020 | Chaosium | Call of Cthulhu (Gaslight) |
| Bile Weed | | 2009 | Self Published | Yellow Dawn |
| Bits and Pieces | | Nov 2022 | Chaosium | Call of Cthulhu (Classic) |
| The Bitter Jungle | cr5207 | Apr 2023 | Cthulhu Reborn | Cthulhu Eternal |
| Bitter Wind | | 2002 | Self Published | Call of Cthulhu (End Time) |
| Black Bag Jobs | CB71202 | 2011 | Cubicle 7 | Call of Cthulhu (Laundry) |
| Black Book of B'Nar | SPB1 | 2017 | Embers Design Studios | Dungeons and Dragons |
| Black Book of B'Nar | SPB1 | 2017 | Embers Design Studios | Pathfinder |
| Black Book of B'Nar | SPB1 | 2017 | Embers Design Studios | WOIN |
| Black Books: Tomes of the Outer Dark | BBG17 | 2016 | Beyond Belief Games | Black Books |
| The Black Caverns | | 2019 | Micro RPG | One Page Cthulhu |
| The Black Drop | PELGT13 | 2010 | Pelgrane Press | Trail of Cthulhu |
| Black Goat of New Orleans | GGP | 2014 | Golden Goblin Press | Call of Cthulhu (Classic) |
| Black Goat of the Woods | DMD003 | 2019 | CMON Limited | Cthulhu: Death May Die |
| The Black Goat of the Woods Expansion | VA56 | 2008 | Fantasy Flight Games | Arkham Horror |
| Black Gold | | 2020 | Self Published | Call of Cthulhu (Delta Green) |
| Black Light | | 2019 | Self Published | Index Card RPG |
| The Black Mine of Teihiihan | | May 2019 | Self Published | GURPS, Call of Cthulhu (Darker Trails) |
| Black Mole | 3 | 1990 | Self Published | Call of Cthulhu (Classic) |
| Black Mole | 5 | 1991 | Self Published | Call of Cthulhu (Classic) |
| The Black Pyramid | | May 2024 | Chaosium | Call of Cthulhu (Classic) |
| The Black Seal | 1 | Nov 2001 | Brichester University Press | Call of Cthulhu (Classic) |
| The Black Seal | 2 | Mar 2003 | Brichester University Press | Call of Cthulhu (Classic) |
| The Black Seal | 3 | Nov 2003 | Brichester University Press | Call of Cthulhu (Classic) |
| The Black Seal | 4 | Aut 2023 | Sixtystone Press | Call of Cthulhu (Classic), Call of Cthulhu (Now) |
| Black Sites | APU8140 | 2019 | Arc Dream Publishing | Delta Green |
| Black Stars Beckon | PZO90114 | 2016 | Paizo Publishing | Pathfinder |
| Black Stars Rise | | 2013 | Self Published | Apocalypse World |
| Black Stars Rise * | AHC16 | 2018 | Fantasy Flight Games | Arkham Horror: The Card Game |
| Black Static Transmission | | 2004 | Self Published | Call of Cthulhu (Now) |
| The Black Stone | | 1999 | Self Published | Call of Cthulhu (Classic) |
| The Black Sun | 1.7 | Spr 1985 | Games Workshop | None, Call of Cthulhu (Classic) |
| The Black Sun * | 2.2 | 1987 | Games Workshop | Call of Cthulhu (Classic), None |
| The Black Tree of Cold Springs | | May 2021 | Chaosium | Call of Cthulhu (Classic) |
| Blank | | Mar 2022 | Chaosium | Call of Cthulhu (Classic) |
| A Blank Canvas | | Apr 2023 | Chaosium | Call of Cthulhu (Gaslight) |
| The Blasphemous Tome | 1 | Mar 2016 | Self Published | Call of Cthulhu (Classic) |
| The Blasphemous Tome | 2 | Feb 2017 | Self Published | Call of Cthulhu (Now) |
| The Blasphemous Tome | 3 | Dec 2017 | Self Published | None, Call of Cthulhu (Classic) |
| The Blasphemous Tome | 4 | Dec 2018 | Self Published | Call of Cthulhu (Classic), Call of Cthulhu (Now) |
| The Blasphemous Tome | 4.5 | Jun 2019 | Self Published | None, Call of Cthulhu (Now) |
| The Blasphemous Tome | 5 | Dec 2019 | Self Published | Call of Cthulhu (Classic), Call of Cthulhu (Now) |
| The Blasphemous Tome | 5.5 | Aug 2020 | Self Published | Call of Cthulhu (Classic), Call of Cthulhu (Now), None |
| The Blasphemous Tome | 6 | Dec 2020 | Self Published | Call of Cthulhu (WWII) |
| The Blasphemous Tome | 7 | Jun 2021 | Self Published | Call of Cthulhu (Now), Call of Cthulhu (Classic) |
| The Blasphemous Tome | 8 | Dec 2021 | Self Published | Call of Cthulhu (Now), Call of Cthulhu (Darker Trails), Call of Cthulhu (Classic) |
| The Blasphemous Tome | 10 | Nov 2022 | Self Published | Call of Cthulhu (Now) |
| The Blasphemous Tome | 9 | Jun 2022 | Self Published | Call of Cthulhu (Gaslight), Call of Cthulhu (Now), Call of Cthulhu (Classic) |
| The Blasphemous Tome | 11 | Nov 2023 | Self Published | Call of Cthulhu (Classic) |
| The Blasphemous Tome | 12 | Jul 2024 | Self Published | Call of Cthulhu (Classic) |
| Bleak October | | 2017 | Alter Ego Software | Call of Cthulhu (Classic) |
| The Blessed and the Blasphemous | | Oct 2023 | Sons of the Singularity | Call of Cthulhu (WWII) |
| The Blessed of the Wind | MUH051200 | 2018 | Modiphius Entertainment | Call of Cthulhu (Achtung!) |
| Blight at Gold Bluff | | Apr 2023 | Chaosium | Call of Cthulhu (Darker Trails) |
| Blind Date | | Apr 2024 | Chaosium | Call of Cthulhu (Classic) |
| The Bloated Saint | | Jul 2022 | Chaosium | Call of Cthulhu (Dark Ages) |
| The Blob That Ate Everything * | AHC45 | 2019 | Fantasy Flight Games | Arkham Horror: The Card Game |
| Blood Brothers | CHA2329 | 1990 | Chaosium | Call of Cthulhu (Classic) |
| Blood Brothers 2 | CHA2340 | 1992 | Chaosium | Call of Cthulhu (Classic) |
| Blood Ceremony | | 2018 | Petersen Games | Evil High Priest |
| Blood of Baalshandor * | NAH15 | 2020 | Fantasy Flight Games | Arkham Horror: The Card Game |
| Blood on the Altar * | AHC05 | 2017 | Fantasy Flight Games | Arkham Horror: The Card Game |
| Blood on the Chocolate | | Dec 2022 | Chaosium | Call of Cthulhu (Classic) |
| Blood Will Out | | 2016 | Self Published | Lovecraftesque |
| Bloodlust Playmat | FFS74 | 2017 | Fantasy Flight Games | Arkham Horror: The Card Game |
| Bloodmoon's Guide to Historical Fashions: 1920s | | Sep 2023 | Chaosium | Call of Cthulhu (Classic) |
| Bloody Hooks | | 2006 | Big Finger Games | None |
| The Bloody Viscount's Return | | Jul 2022 | Chaosium | Call of Cthulhu (Classic) |
| The Blue Stone | | 2006 | Self Published | Call of Cthulhu (Dark Ages) |
| Blurred Vision | 1 | 1985 | Self Published | Call of Cthulhu (Classic), None |
| The Boarding House at Arkham Street | 2001b | 2010 | Three Fourteen Games | Call of Cthulhu (Classic) |
| The Bog | | 1999 | Self Published | Call of Cthulhu (Classic) |
| Boletus Griseo Plaga | | 2019 | Golden Goblin Press | Call of Cthulhu (Invictus) |
| The Bone Dealers | | 2001 | Self Published | Call of Cthulhu (Now) |
| Bonefire | | Jan 2022 | Chaosium | Call of Cthulhu (Classic) |
| Bones of the Yopasi * | EAH02 | 2012 | Fantasy Flight Games | Arkham Horror |
| Bonus Relic Cards | | 2023 | CMON Limited | Cthulhu: Death May Die |
| The Book Club | | Nov 2021 | Chaosium | Call of Cthulhu (Now) |
| Book Hounds Dark | | 2020 | Mundus Infinitos | Cthulhu Dark |
| Book Marks | CHA23135-Bookmarks | 2016 | Chaosium | Call of Cthulhu (Classic) |
| Book of Dark Wisdom | 3 | | Elder Sign Press | Call of Cthulhu (Classic) |
| Book of Dark Wisdom | 4 | | Elder Sign Press | Call of Cthulhu (Classic) |
| Book of Dark Wisdom | 5 | | Elder Sign Press | Call of Cthulhu (Classic) |
| Book of Dark Wisdom | 1 | Sum 2003 | Elder Sign Press | Call of Cthulhu (Classic) |
| Book of Dark Wisdom | 2 | Win 2003 | Elder Sign Press | Call of Cthulhu (Classic) |
| The Book of Dzyan * | CHA6027 | 2000 | Chaosium | Call of Cthulhu (Classic) |
| The Book of Eibon * | CHA6026 | 2006 | Chaosium | Call of Cthulhu (Classic) |
| The Book of Nonterraqueous | FXC-19 | 2022 | Stygian Fox | Call of Cthulhu (Now) |
| The Book of Random Tables 1920s - 1930s | | 2020 | dicegeeks | Trail of Cthulhu, Call of Cthulhu (Classic) |
| The Book of Random Tables: Eldritch | | Apr 2023 | dicegeeks | Call of Cthulhu (Classic) |
| Book of Shadows * | | 2009 | Stardust Publications | Dark Aeons |
| Book of Shadows * | | 2014 | Stardust Publications | Dark Aeons |
| Book of the Dead | | 2020 | Midlam Miniatures | Book of the Dead |
| The Book of the New Jerusalem * | PELGT46 | 2021 | Pelgrane Press | Trail of Cthulhu |
| The Book of the Smoke * | PELGT20 | 2011 | Pelgrane Press | Trail of Cthulhu |
| Book Plates | CHA23135-Bookplates | 2016 | Chaosium | Call of Cthulhu (Classic) |
| Bookhounds of London | PELGT16 | 2010 | Pelgrane Press | Trail of Cthulhu |
| Bookhounds of London Limited Edition Package * | | 2011 | Pelgrane Press | Trail of Cthulhu |
| Bookmark Cthulhu! | | 2022 | Lester Smith Games | Bookmark RPG |
| Books and Bullets | | 2019 | Self Published | Books and Bullets |
| The Bookstore | | 2001 | Self Published | Call of Cthulhu (Now) |
| Boom or Bust | | Dec 2019 | Dark Trapezohedron Productions | Call of Cthulhu (Classic) |
| Bootleg Whiskey, Liquor, Champagne and Wine | | Jun 2021 | Chaosium | Call of Cthulhu (Classic) |
| Border Town | | Dec 2021 | Chaosium | Call of Cthulhu (Classic) |
| Boris | 1 | 1985 | Self Published | Call of Cthulhu (Classic) |
| The Boss | | 2011 | Self Published | CthulhuTech |
| The Boss | | Dec 2019 | Dark Trapezohedron Productions | Call of Cthulhu (Classic) |
| The Bottle Episode | | Jul 2021 | Chaosium | Call of Cthulhu (Classic) |
| Bottom of the World | | Dec 2023 | Self Published | Achtung! Cthulhu |
| Bottoms Up! | cr6204 | 2020 | Cthulhu Reborn | Call of Cthulhu (Classic) |
| Bottoms Up! | cr5206 | Aug 2022 | Cthulhu Reborn | Cthulhu Eternal |
| The Boundary Beyond * | AHC21 | 2018 | Fantasy Flight Games | Arkham Horror: The Card Game |
 Bouts of Madness Deck | | Jan 2023 | Chaosium | Call of Cthulhu (Classic) |
| Branches of Bone | | Aug 2022 | Chaosium | Call of Cthulhu (Dark Ages) |
| Breakout Day | | 2007 | Self Published | Breakout Day |
| Breakout! | 27 | Jun 1987 | Conflict Simulations of Australia | Call of Cthulhu (Classic) |
| Breakout! | 42 | Mar 1991 | Conflict Simulations of Australia | Call of Cthulhu (Classic) |
| Breath Of Life | | 2016 | Self Published | Lovecraftesque |
| The Breathing Jungle | CT49 | 2011 | Fantasy Flight Games | Call of Cthulhu LCG |
| Bride of Bloody Hooks | | 2007 | Big Finger Games | Call of Cthulhu (Classic) |
| The Bride of Halloween Horror | CHA0364 | 2009 | Chaosium | Call of Cthulhu (Invictus), Call of Cthulhu (Now), Call of Cthulhu (Classic), Call of Cthulhu (Dark Ages), Call of Cthulhu (Strange Aeons) [Chronicles of Future Earth] |
| The Bride of the Goat | | Nov 2023 | Chaosium | Call of Cthulhu (Classic) |
| Bride of the Wilds | | Jul 2022 | Chaosium | Call of Cthulhu (Classic) |
| A Bridge Too Far | | 2003 | RPGA Network | Call of Cthulhu (Invictus) |
| Briefing Documents * | | 2017 | Arc Dream Publishing | Delta Green |
| The Bright Blue Demon | | Nov 2023 | Chaosium | Call of Cthulhu (Now) |
| Bringing New Life | | 2016 | Self Published | Lovecraftesque |
| Brinkmanship | GRR6405 | 2023 | Green Ronin Publishing | Cthulhu Awakens |
 Bristol Consortium | | | Self Published | Call of Cthulhu (Now), Call of Cthulhu (Delta Green) |
| Britannia and Beyond | | Sep 2023 | Golden Goblin Press | Call of Cthulhu (Invictus) |
| The Brockton Butcher | | Jul 2021 | Chaosium | Call of Cthulhu (Now) |
| Broken Arrow: Chernobyl | | Aug 2021 | Chaosium | Call of Cthulhu (Now) |
| Broken Dreams | | Oct 2023 | Chaosium | Call of Cthulhu (Classic), Call of Cthulhu (Dreamlands) |
| Broken Glass | | Dec 2022 | Chaosium | Call of Cthulhu (Now) |
| Brown Jenkin | PGCW-U29 | 2019 | Petersen Games | Cthulhu Wars |
| The Brunholt Head | | 2002 | Self Published | Call of Cthulhu (Now) |
| The Brutal House | | Apr 2022 | Chaosium | Call of Cthulhu (Now) |
| BTMOM Game Aids * | CHA0337 | 2007 | Chaosium | Call of Cthulhu (Classic) |
| Bubastis | | Jun 2020 | Petersen Games | Cthulhu Wars |
| Bubbles and Troubles | | 2011 | Self Published | Cthulhu Dark |
| The Bubonic Plagiarist | 1 | 1987 | Self Published | Call of Cthulhu (Classic) |
| The Bubonic Plagiarist | 2 | 1987 | Self Published | Call of Cthulhu (Classic) |
| The Bubonic Plagiarist | 3 | 1987 | Self Published | Call of Cthulhu (Classic) |
| Builders of R'lyeh | | 2012 | Self Published | Builders of R'lyeh |
| Building an Elder God | SGL-2002 | 2011 | Signal Fire Studios | Building an Elder God |
| Bumps in the Night | PAG1014 | 2012 | Pagan Publishing | Call of Cthulhu (Classic) |
| Bureau of Investigation | | 2022 | Space Cowboys | Bureau of Investigation |
| The Buried Zikurat | DNH2 | 2017 | Fat Goblin Games | Dungeons and Dragons |
| The Buried Zikurat | DNH2 | 2017 | Fat Goblin Games | OSR |
| The Buried Zikurat | DNH2 | 2017 | Fat Goblin Games | Pathfinder |
| Burn After Reading Card * | | 2020 | Fantasy Flight Games | Arkham Horror: The Card Game |
| Burning Desire | | Dec 2023 | Chaosium | Call of Cthulhu (Now) |
| Burning Horizon | WDF23301 | 2011 | WildFire Games | CthulhuTech |
| The Burry Man | | Oct 2022 | Chaosium | Call of Cthulhu (Classic) |
| Busilak | | Apr 2019 | Chaosium | Call of Cthulhu (Classic) |
| The Butcher of Queen Vic Market | | Nov 2023 | Chaosium | Call of Cthulhu (Classic) |
| By the Book | | 2021 | Fantasy Flight Games | Arkham Horror: The Card Game |
| By the Pricking of my Thumbs | | May 2021 | Chaosium | Call of Cthulhu (Now) |