Title | Code | Date | Publisher | System (Setting) |
R'lyeh | | 2019 | Dan Verssen Games | Warfighter |
R'lyeh Rises | DMD-KS05B | 2024 | CMON Limited | Cthulhu Cthulhu: Death May Die (Fear of the Unknown) |
R'lyeh Rising | DMD-KS05 | 2019 | CMON Limited | Cthulhu: Death May Die |
R'lyehian Seizures Promo | | 2023 | CMON Limited | Cthulhu: Death May Die (Fear of the Unknown) |
R'lyehwatch | | 2023 | Third Chair Games | R'lyehwatch |
R. L. McSterlingthong and Nikola Tesla vs. the Daughter of Skull-Face | NL063 | 2012 | NUELOW Games | ROLF! |
Racial Insecurity | WDF22001 | 2013 | WildFire Games | CthulhuTech |
Radio Killed Verna Starr | | Jul 2022 | Chaosium | Call of Cthulhu (Classic) |
Radio Theatre Murder Mystery | | Sep 2021 | Chaosium | Call of Cthulhu (Classic) |
Ragnarok | 45 | 2005 | SFSFW | Guns and Girls, Chain Reaction |
The Raid | | Feb 2020 | Chaosium | Call of Cthulhu (Viking) |
The Raid of Area 51 | | Oct 2019 | Chaosium | Call of Cthulhu (Now) |
Raid on Alpha Base | | Jun 2023 | Self Published | Achtung! Cthulhu |
Raid on Black Goat Wood * | | 2010 | Self Published | None |
Raiders of R'lyeh * | | 2017 | Cipher Bureau | Raiders of R'lyeh |
Raiders of R'lyeh Gamemaster's Guide and Complete Rules | | 2017 | Cipher Bureau | Raiders of R'lyeh |
Raising Up | CHA0089 | 2004 | Chaosium | Call of Cthulhu (Now) |
Ramblings of a Twisted Muse | CHA0314 | 2005 | Chaosium | Call of Cthulhu (Classic) |
Ramsey Campbell Horrors Pack 1 | CW-RC1 | 2016 | Petersen Games | Cthulhu Wars |
Ramsey Campbell Horrors Pack 2 | CW-RC2 | 2016 | Petersen Games | Cthulhu Wars |
Randolph Carter College for Anime-Punk | | Aug 2020 | Chaosium | Call of Cthulhu (Classic) |
The Rap Sheet | 1 | May 2009 | Pelgrane Press | Trail of Cthulhu |
The Rap Sheet | 2 | May 2009 | Pelgrane Press | Trail of Cthulhu |
The Rap Sheet | 3 | Aug 2009 | Pelgrane Press | Trail of Cthulhu |
Rare Antiquities | | 2016 | Self Published | Lovecraftesque |
The Rats in the Walls | | 2013 | Sphinx Speileverlag | The Rats in the Walls |
The Ravenar Sagas | CHA0348 | 2008 | Chaosium | Call of Cthulhu (Dark Ages) |
Ravenstone Sanitarium | CHA0350 | 2008 | Chaosium | Call of Cthulhu (Classic) |
Ravishing Beauty | | Nov 2021 | Chaosium | Call of Cthulhu (Invictus) |
Re-Animator 2508 | | Feb 2024 | Chaosium | Call of Cthulhu (Deep Space) |
Re:Quest | 25 | Dec 1991 | RolePlaying Games SIG of America Mensa | Call of Cthulhu (Classic) |
Read or Die * | | May 2020 | Fantasy Flight Games | Arkham Horror: The Card Game |
The Reading of a Will | | Mar 2022 | Chaosium | Call of Cthulhu (Classic) |
The Real Leeds | | 2017 | Self Published | Arkham Noir |
Real Metal Token Frames | | Sep 2021 | Chaosium | Call of Cthulhu (Classic) |
Realm of Cthulhu | | | Self Published | Talisman |
The Realm of Shadows | PAG1006 | 1997 | Pagan Publishing | Call of Cthulhu (Classic) |
The Realm of Shadows Player Aid Kit | RSPA | 1997 | Pagan Publishing | Call of Cthulhu (Classic) |
Realms of Crawling Chaos | GBD1201 | 2011 | Goblinoid Games | Labyrinth Lord |
Realms of Cthulhu | REB20001 | 2010 | Reality Blurs | Savage Worlds (Realms of Cthulhu) |
Realms of Cthulhu Bennies * | | 2009 | Reality Blurs | Savage Worlds (Realms of Cthulhu) |
Reanimator | | 2018 | Dynamite Entertainment | Reanimator |
The Reanimator Returns | | Sep 2023 | Chaosium | Call of Cthulhu (Classic) |
Recall of Cthulhu | | 2015 | Toy Vault | Recall of Cthulhu |
Recipe for Obsession | | Sep 2023 | Chaosium | Call of Cthulhu (Classic) |
Reckoning of the Dead | | | Self Published | Call of Cthulhu (WWII), Call of Cthulhu (Atomic), Call of Cthulhu (Classic), Call of Cthulhu (Gaslight), Call of Cthulhu (Now) |
Recovered Relics | | 2009 | Self Published | Yellow Dawn |
Recurrence | | 2019 | Adreama Games | Machina Arcana |
Recurring Nightmares * | MAD21 | 2016 | Fantasy Flight Games | Mansions of Madness |
Recursive Echoes * | AHB05 | 2020 | Fantasy Flight Games | Arkham Horror |
Red Bat Cthulhu | | 2015 | Peryton Publishing | Red Bat |
Red Desire | Cold Murder | | 2008 | Self Published | Yellow Dawn |
Red Eye of Azathoth | REAz | 2011 | Kobold Quarterly | Call of Cthulhu (Strange Aeons) [1587AD], Call of Cthulhu (Dark Ages), Call of Cthulhu (Darker Trails) |
Red Giant | 1 | 1990 | Folio Works | Call of Cthulhu (Classic) |
Red Giant | 2 | 1990 | Folio Works | Call of Cthulhu (Classic) |
Red in Tooth and Claw | cr5403 | Nov 2023 | Cthulhu Reborn | Cthulhu Eternal |
The Red Mist | | 2016 | Pelgrane Press | Cthulhu Confidential |
Red Skies | | Nov 2020 | Chaosium | Call of Cthulhu (WWI) |
Red Spill in the Sea | | Apr 2021 | Chaosium | Call of Cthulhu (Gaslight) |
Red Tide Rising | | 2021 | Fantasy Flight Games | Arkham Horror: The Card Game |
A Red, Red Rose | | Aug 2022 | Chaosium | Call of Cthulhu (Now) |
Redacted Rituals | | 2018 | Self Published | Delta Green |
Referee Screen and Reference Sheets | ET005 | 2019 | Raven God Games | Eldritch Tales |
Refractions of Glasston | | Dec 2019 | Taylor University Professional Writing | Call of Cthulhu (Classic) |
Regency Cthulhu | CHA23177 | 2022 | Chaosium | Call of Cthulhu (Regency) |
Reign of Cthulhu | ZMG71140 | 2016 | Z-Man Games | Pandemic |
Reign of Terror | CHA23149 | 2017 | Chaosium | Call of Cthulhu (Strange Aeons) |
Reliquaries Part 1 | | 2013 | Stardust Publications | Dark Aeons |
Remains of the Deep | | Nov 2021 | Chaosium | Call of Cthulhu (Now) |
The Rending Box | PELGT21 | 2011 | Pelgrane Press | Trail of Cthulhu |
Renegade Tentacles of Doom | | 2023 | Modiphius Entertainment | Achtung! Cthulhu |
The Repairer of Reputations | PELGT23 | 2011 | Pelgrane Press | Trail of Cthulhu |
The Replicant | | 2015 | Stardust Publications | Dark Aeons |
Research Assistant Promo Card | | Aug 2010 | Steve Jackson Games | Munchkin |
A Resection of Time | CHA2364 | 1997 | Chaosium | Call of Cthulhu (Now) |
Resident Evil * | | 2002 | Self Published | Call of Cthulhu (Now) |
Residue of the Past | | Jan 2021 | Chaosium | Call of Cthulhu (Now) |
Rest Stops | | 1996 | Self Published | Call of Cthulhu (Now) |
Restitution | | Dec 2020 | Chaosium | Call of Cthulhu (Now) |
Resurrection Men | MUH0580233 | 2023 | Modiphius Entertainment | Achtung! Cthulhu |
Resurrection of the King | | 2016 | Mutant Chiron Games | Ressurection of the King |
Resurrection Woods | | Nov 2021 | Chaosium | Call of Cthulhu (Now) |
The Retreat | | Aug 2024 | Chaosium | Call of Cthulhu (Now) |
The Return of Cyris Crane * | | 2017 | Skirmisher Publishing | Call of Cthulhu (Classic) |
The Return of Doctor Moreau | | 2006 | Self Published | Call of Cthulhu (Classic) |
Return of the Hound | | 2006 | ADP Systems | Call of Cthulhu (Classic) |
Return of the Ripper | CHA0339 | 2007 | Chaosium | Call of Cthulhu (Gaslight) |
Return to Dunwich | CHA2330 | 1991 | Chaosium | Call of Cthulhu (Classic) |
Return to Lovecraft Country * | 0006 | 1997 | Triad Entertainments | Call of Cthulhu (Classic) |
Return to Teutoberg Forest | | Jun 2022 | Chaosium | Call of Cthulhu (Invictus) |
Return to the Dunwich Legacy * | AHC28 | 2018 | Fantasy Flight Games | Arkham Horror: The Card Game |
Return to the Forgotten Age * | AHC46 | 2020 | Fantasy Flight Games | Arkham Horror: The Card Game |
Return to the Island of Dr Moreau | | Aug 2019 | Chaosium | Call of Cthulhu (Classic) |
Return to the Monolith | | 1998 | Self Published | Call of Cthulhu (Now) |
Return to the Monolith * | | Mar 2018 | Chaosium | Call of Cthulhu (Classic) |
Return to the Night of the Zealot * | AHC26 | 2018 | Fantasy Flight Games | Arkham Horror: The Card Game |
Return to the Path of Carcosa * | AHC36 | 2019 | Fantasy Flight Games | Arkham Horror: The Card Game |
Return to the Witch House | | 2022 | Stardust Publications | Dark Aeons |
The Returned | | May 2022 | Chaosium | Call of Cthulhu (Classic) |
The Reunion | | Jul 2020 | Chaosium | Call of Cthulhu (Classic) |
Revealed Cult Secrets Promo Card | | Jun 2016 | Steve Jackson Games | Munchkin |
Revelations of the Bacchae | GRR96401 | 2023 | Green Ronin Publishing | Cthulhu Awakens |
The Revenant | | 2010 | Stardust Publications | Dark Aeons |
Revenge of the Old Ones | | 2021 | SchilMil Games | AuZtralia |
Reverberations | | 2017 | Arc Dream Publishing | Delta Green |
Rhan-Tegoth | JCG032 | 2019 | Just Crunch Games | The Cthulhu Hack |
Rhyme With Dark Reason | | 2004 | Self Published | Call of Cthulhu (Classic) |
Rich Food | | Dec 2022 | Chaosium | Call of Cthulhu (Now) |
Rich Man, Poor Man | | 2019 | Beyond Belief Games | Black Books |
Ride a White Horse | | 2016 | Self Published | Lovecraftesque |
Riding the Northbound | GGP1909 | 2019 | Golden Goblin Press | Call of Cthulhu (Classic) |
Riot at Red Plank | GGP1803 | 2018 | Golden Goblin Press | Call of Cthulhu (Classic) |
Ripper Fhtagn | | 2020 | Self Published | The Jack Hack |
Ripples From Carcosa | CHA0312 | 2005 | Chaosium | Call of Cthulhu (End Time), Call of Cthulhu (Invictus), Call of Cthulhu (Dark Ages), Call of Cthulhu (Classic) |
Ripples From Carcosa | CHA23134 | 2014 | Chaosium | Call of Cthulhu (Dark Ages), Call of Cthulhu (Classic), Call of Cthulhu (End Time), Call of Cthulhu (Invictus) |
The Rise of Azathoth | | 2021 | Evil Hat Productions | Fate of Cthulhu |
Rise of Cthulhu | | 2015 | Self Published | Rise of Cthulhu |
The Rise of Hastur | | 2021 | Evil Hat Productions | Fate of Cthulhu |
The Rise of the Basilisk | | 2021 | Evil Hat Productions | Fate of Cthulhu |
Rise of the Black Sun | | | Modiphius Entertainment | Call of Cthulhu (Classic) |
Rise of the Dead | CHA0355 | 2008 | Chaosium | Call of Cthulhu (Now) |
Rise of the Dead - The Raid | CHA0393 | 2010 | Chaosium | Call of Cthulhu (Now) |
Rise of the Elders | | 2017 | Self Published | Rise of the Elders |
Rise of the Old Ones | | 2021 | Japanime Games | Kamigami Battles |
The Rise of the Quiet | | 2021 | Evil Hat Productions | Fate of Cthulhu |
The Rise of Tsathoggua | | 2024 | Spotless Dice Games | Fate of Cthulhu |
The Rise of Yig | | 2021 | Evil Hat Productions | Fate of Cthulhu |
The Rise of Yog-Sothoth | | 2021 | Evil Hat Productions | Fate of Cthulhu |
Rising from the Stars | | Nov 2020 | Chaosium | Call of Cthulhu (Classic) |
Rites of Cthulhu | | 2018 | Quirky Engine Entertainment | Rites of Cthulhu |
Ritual | | 2022 | Ravenkeep Productions | Ritual |
Ritual Pursuits * | | 2011 | Pelgrane Press | Trail of Cthulhu |
Rituals of the Deep Ones | | 2015 | Necromancers of the Northwest | Pathfinder |
Rituals of the Eternal Mother | | 2018 | Golden Goblin Press | Call of Cthulhu (Invictus) |
RMS Titanic: The Millionaire's Special | PELGT28 | 2012 | Pelgrane Press | Trail of Cthulhu |
The Road to Innsmouth * | HGE-AH01-EN | 2023 | Hourglass Escapes | Arkham Horror |
Road to Lunacy | | Sep 2024 | Chaosium | Call of Cthulhu (Now) |
The Road Unraveled | | Apr 2020 | Chaosium | Call of Cthulhu (Now) |
The Roar in the Dark | | Sep 2021 | Chaosium | Call of Cthulhu (Strange Aeons) [Ancient China] |
Roaring 20's Femme Fatale Generator | D10D-G018 | 2021 | D10 Dimensions | Call of Cthulhu (Classic) |
Roaring 20's Speakeasy Generator | D10D-G017 | 2021 | D10 Dimensions | Call of Cthulhu (Classic) |
Robo's Mythos CCG Web Page | | | Self Published | Mythos |
The Rockdale Dead | | May 2022 | Chaosium | Call of Cthulhu (Classic) |
The Rocky Vale Horror | | 2003 | Self Published | Call of Cthulhu (Now) |
Rogue Handler * | DGR001 | 2021 | Parts Per Million | Rogue Handler |
Rogue Handler Oracle Deck * | DGR002 | 2021 | Parts Per Million | Rogue Handler |
Rogues Gallery | | 2009 | Self Published | Yellow Dawn |
Role Player Independent | 1 | Dec 1992 | Symbiosis Publishing | Call of Cthulhu (Classic) |
Role Player Independent | 10 | Sep 1993 | Symbiosis Publishing | Call of Cthulhu (Gaslight), Call of Cthulhu (Classic) |
Role Player Independent | 12 | Nov 1993 | Symbiosis Publishing | Call of Cthulhu (Classic) |
Role Player Independent | 13 | Dec 1993 | Symbiosis Publishing | Call of Cthulhu (Classic) |
Role Player Independent | 2 | Jan 1993 | Symbiosis Publishing | Call of Cthulhu (Classic), Call of Cthulhu (Cyberpunk) |
Role Player Independent | 3 | Feb 1993 | Symbiosis Publishing | Call of Cthulhu (Classic) |
Role Player Independent | 4 | Mar 1993 | Symbiosis Publishing | Call of Cthulhu (Classic) |
Role Player Independent | 5 | Apr 1993 | Symbiosis Publishing | Call of Cthulhu (Classic) |
Role Player Independent | 7 | Jun 1993 | Symbiosis Publishing | Call of Cthulhu (Classic) |
Role Player Independent | 14 | Feb 1994 | Symbiosis Publishing | Call of Cthulhu (Classic) |
Roleplay, What, Who, Why and Where? | | | Self Published | Call of Cthulhu (Classic), GURPS (Horror) |
Roleplayer | 22 | Nov 1990 | Steve Jackson Games | Call of Cthulhu (Classic), GURPS |
Roll for Great Old Ones | | 2022 | Hodari Spiele | Roll for Great Old Ones |
The Romanian Contract | | May 2021 | Chaosium | Call of Cthulhu (Now) |
The Romanian Imperative | MUH052308 | 2021 | Modiphius Entertainment | Achtung! Cthulhu |
The Ronin | | 2011 | Self Published | CthulhuTech |
The Rookery | | Jan 2024 | Chaosium | Call of Cthulhu (Classic) |
The Room with No Doors | | Dec 2020 | Chaosium | Call of Cthulhu (Classic) |
Rosemary's Baby | | | Self Published | Mythos |
Rough Magicks | PELGT09 | 2009 | Pelgrane Press | Trail of Cthulhu |
Round6 | | Nov 2021 | Chaosium | Call of Cthulhu (Now) |
Route 666: Three Strikes You're Out | | Apr 2021 | Chaosium | Call of Cthulhu (Atomic) |
RPG Archive | | | Self Published | Call of Cthulhu (Strange Aeons) [1978], Call of Cthulhu (Dreamlands), Call of Cthulhu (Classic), Call of Cthulhu (Darker Trails), Call of Cthulhu (Now) |
RPG Review | 1 | Sep 2008 | Self Published | Call of Cthulhu (Delta Green) |
RPG Review | 7 | Mar 2009 | Self Published | Little Fears, Advanced Dungeons and Dragons (Ravenloft), GURPS, Call of Cthulhu (Classic), Vampyre the Masquerade, Kult, Chill, Trail of Cthulhu, Call of Cthulhu (Delta Green) |
RPG Review | 13,14 | Dec 2011 | Self Published | Call of Cthulhu (Classic) |
RPG Review | 17 | Sep 2012 | Self Published | Call of Cthulhu (Classic) |
RPG Review | 18 | Dec 2012 | Self Published | Call of Cthulhu (Now), Call of Cthulhu (Classic) |
RPG Review | 28.29 | Sep 2015 | Self Published | None |
RPG Review | 43 | Jun 2019 | Self Published | Nephilim, Call of Cthulhu (Classic) |
rpg.net | | | Self Published | Call of Cthulhu (Cyberpunk) |
Ruins of Golgotha | | 2006 | ADP Systems | Call of Cthulhu (Classic) |
Rumble in R'lyeh | | 2012 | Cryptozoic Entertainment | Penny Arcade: The Game |
Runestone * | 5 | 1985 | Self Published | Call of Cthulhu (Classic) |
Runestone * | 6 | 1985 | Self Published | Call of Cthulhu (Classic) |
The Russians Are Coming!! | | Oct 2024 | Chaosium | Call of Cthulhu (Strange Aeons) [1961] |
Rusty Cold | | Apr 2021 | Chaosium | Call of Cthulhu (Strange Aeons) |