| Title | Code | Date | Publisher | System (Setting) |
|---|
 Pagan Call | | 2006 | Self Published | Call of Cthulhu (Dark Ages) |
| Pain Threshold | | Jan 2022 | Chaosium | Call of Cthulhu (Classic) |
 Painted Gate * | RPG-E1 | 2019 | Petersen Games | Cthulhu Wars |
| Paititi | | Apr 2025 | Chaosium | Call of Cthulhu (Classic) |
| The Palimpsest Trilogy | | Mar 2026 | Chaosium | Call of Cthulhu (Now) |
 The Pallid Mask * | AHC15 | 2018 | Fantasy Flight Games | Arkham Horror: The Card Game |
| Pan, His Majesty in Yellow | | 2022 | Wyrd Valley Press | Dungeons and Dragons |
| Pan, His Majesty in Yellow | | 2022 | Wyrd Valley Press | OSR |
| Pandora's Paths I: Adventures | WDF33401 | 2013 | WildFire Games | The Void |
| The Pannikin Requiem | | May 2020 | Chaosium | Call of Cthulhu (Classic) |
 Papyrus | 14 | Apr 1994 | Self Published | GURPS, Call of Cthulhu (Classic) |
 Parapsycologist's Handbook | CHA0085 | 2003 | Chaosium | Call of Cthulhu (Now), Call of Cthulhu (Classic), Call of Cthulhu (Gaslight) |
| The Parsonville Horror | | Sep 2018 | Chaosium | Call of Cthulhu (Classic) |
| Party Favour | | Apr 2025 | Chaosium | Call of Cthulhu (Classic) |
| Pass the Giggle Water | | Nov 2021 | Chaosium | Call of Cthulhu (Classic) |
| Passenger Olympus | | Aug 2021 | Chaosium | Call of Cthulhu (Classic) |
| The Past is Doomed | cr3004 | 2012 | Cthulhu Reborn | Call of Cthulhu (Now) |
| The Pastores | CHA0313 | 2005 | Chaosium | Call of Cthulhu (Dark Ages) |
| The Pastores * | | Jul 2023 | Chaosium | Call of Cthulhu (Dark Ages) |
| Path of the Serpent | MAD28 | 2019 | Fantasy Flight Games | Mansions of Madness |
| The Path to Carcosa * | AHC11 | 2017 | Fantasy Flight Games | Arkham Horror: The Card Game |
 The Path to Y'ha-nthlei | CT24 | 2009 | Fantasy Flight Games | Call of Cthulhu LCG |
| Pax Cthuliana | | 2017 | Two Starving Gnolls | Call of Cthulhu (Classic) |
| Pax Cthuliana Handouts * | | 2017 | Two Starving Gnolls | Call of Cthulhu (Classic) |
 Pax Cthuliana Soundtrack | TSG OST 0001 | 2017 | Two Starving Gnolls | Call of Cthulhu (Classic) |
| A Peaceful Cruise | | Jul 2019 | Chaosium | Call of Cthulhu (Classic) |
| Peak Intensity | | Jun 2023 | Self Published | Achtung! Cthulhu |
| The Peasants Have Lost Their Minds | | 2020 | Dark By Dezign | Dungeons and Dragons, Pathfinder |
| A Peculiar Pentad | OWC4006 | 2009 | Super Genius | Call of Cthulhu (Classic) |
| A Peculiar Pentad | | 2011 | Super Genius | Savage Worlds (Realms of Cthulhu) |
| The Pegana Mythos | PM1 | 2017 | Wonderland Imprints | None |
| Pegasus | | | Self Published | Call of Cthulhu (Classic) |
| Penny Arcade Characters | | 2009 | Fantasy Flight Games | Arkham Horror |
| The Pennywell Hangmen | | 2008 | Self Published | Call of Cthulhu (Classic) |
| People of Innsmouth | 13 | | Self Published | Call of Cthulhu (Classic) |
| People of Innsmouth | 15 | | Self Published | Call of Cthulhu (Classic) |
 The People of Innsmouth | 21 | | Self Published | Call of Cthulhu (Classic) |
| People of the '20s VTT Tokens | | Feb 2022 | Chaosium | Call of Cthulhu (Classic) |
| The People of the Monolith | | May 2023 | Chaosium | Call of Cthulhu (Classic) |
| Per Ardua? | | 2010 | Draken Games | Call of Cthulhu (Now) |
| PerChance | 3 | | Self Published | Call of Cthulhu (Cyberpunk) |
| PerChance | 5 | May 1991 | Self Published | Call of Cthulhu (Gaslight) |
| PerChance | 6 | Sep 1991 | Self Published | Call of Cthulhu (Classic), Call of Cthulhu (Gaslight) |
| PerChance | 7 | Dec 1991 | Self Published | Call of Cthulhu (Gaslight), Call of Cthulhu (Classic) |
| Performance Peace | | Mar 2024 | Xipe Totec Press | Delta Green, Call of Cthulhu (Now), Cthulhu Dark, Trail of Cthulhu |
| Perilous Trials | CT41 | 2011 | Fantasy Flight Games | Call of Cthulhu LCG |
| The Perishing of Sir Ashby Phipps | | 2022 | Librarians and Leviathans | Cthulhu Eternal |
| Petersen's Abominations | CHA23152 | 2017 | Chaosium | Call of Cthulhu (Now) |
| Petruska's Assumption | | 2016 | Xipe Totec Press | Call of Cthulhu (Now), Fear Itself, Cthulhu Dark, Trail of Cthulhu, Delta Green |
| Phantasmagorical Art Pack | | Dec 2017 | Chaosium | Call of Cthulhu (Classic) |
| The Phantom Jungle | | Feb 2022 | Self Published | GURPS, Call of Cthulhu (Classic) |
| The Phantom of Gloaming Thicket | | Feb 2026 | Chaosium | Call of Cthulhu (Dark Ages) |
| A Phantom of Truth * | AHC14 | 2017 | Fantasy Flight Games | Arkham Horror: The Card Game |
| The Phantom of Wilson Creek | CHA0404 | 2013 | Chaosium | Call of Cthulhu (Classic) |
| The Phantom of Wilson Creek | | May 2023 | Chaosium | Call of Cthulhu (Classic) |
| The Phantom Train | | Oct 2022 | Chaosium | Call of Cthulhu (Classic) |
| The Pharaoh's Sacrifice | | Jul 2022 | Chaosium | Call of Cthulhu (Classic) |
| Phobia Deck | CHA23139-KD1 | 2016 | Chaosium | Call of Cthulhu (Classic) |
| Phobia Deck * | CHA23184-KD1 | Sep 2024 | Chaosium | Call of Cthulhu (Classic) |
| The Phoenix Command Conspiracy | | | Self Published | Phoenix Command, Call of Cthulhu (Delta Green) |
| The Phthonus Cabinet | | Sep 2023 | Chaosium | Call of Cthulhu (Gaslight) |
| Physiologies of Acquired Taste | cr5501 | Feb 2024 | Cthulhu Reborn | Cthulhu Eternal |
| Pickman's Action Figure | | May 2022 | Chaosium | Call of Cthulhu (Now) |
| Pickman's Legacy | | Jul 2018 | Chaosium | Call of Cthulhu (Classic) |
| Pilgrim's Hope | | Jan 2022 | Chaosium | Call of Cthulhu (Darker Trails) |
| A Pinch of Glamour | MUH0580236 | Nov 2024 | Chaosium | Achtung! Cthulhu |
| Pines and Sunshine | | 1999 | Self Published | Call of Cthulhu (Now) |
| Pink Elephant | 1 | 1987 | Self Published | Call of Cthulhu (Now) |
| The Pipeline | | Sep 2018 | Critical Hit Publishing | Call of Cthulhu (Now) |
| The Pirate and the Bride | | Sep 2023 | Chaosium | Call of Cthulhu (Regency) |
| The Pirates of Leng | | | Self Published | The Pirates of Leng |
| A Place Just For Us | | Dec 2021 | Chaosium | Call of Cthulhu (Now) |
| A Place to Call Home | | 2023 | Mind's Vision | The Legacy of Cthulhu |
| Plague | | Dec 2017 | Chaosium | Call of Cthulhu (Now) |
| The Plague of Scratches | | Sep 2024 | Chaosium | Call of Cthulhu (Classic) |
| The Plague of the Pharaohs | | Sep 2021 | Type40 | Call of Cthulhu (Classic) |
| Plain Brown Wrapper | | Jul 2025 | Chaosium | Call of Cthulhu (Strange Aeons) [1948] |
| Plan 09 From Halloween | CHA0379 | 2009 | Chaosium | Call of Cthulhu (Classic), Call of Cthulhu (Now) |
| Plans from the XXth century | 3001b | 2010 | Three Fourteen Games | Call of Cthulhu (Now), Trail of Cthulhu, Call of Cthulhu (Classic) |
| plateau-of-leng.demon.co.uk | | | Self Published | Call of Cthulhu (Classic), Call of Cthulhu (Delta Green) |
| Play, Repeat, Return | | Nov 2022 | Chaosium | Call of Cthulhu (Now) |
| Player of Hell | | 2001 | Self Published | Call of Cthulhu (Now) |
| Player's Guide * | PELGT03 | 2007 | Pelgrane Press | Trail of Cthulhu |
| Player's Guide | MUH051742 | 2021 | Modiphius Entertainment | Achtung! Cthulhu |
| Player's Guide | MUH0860108 | Sep 2025 | Modiphius Entertainment | Cohors Cthulhu |
| Please Mind the Gap | | May 2020 | Chaosium | Call of Cthulhu (Gaslight) |
| Plotting Cthulhu | MPS01041G | 2014 | Modiphius Entertainment | Savage Worlds (Achtung!), Call of Cthulhu (Achtung!) |
| Plus Ultra | | Sep 2025 | Chaosium | Call of Cthulhu (Strange Aeons) [1655] |
| Pocket Madness | | 2016 | Funforge | Pocket Madness |
| Point of No Return * | AHC42 | 2020 | Fantasy Flight Games | Arkham Horror: The Card Game |
| Pokethulhu * | | 2000 | Squishy Brain Games | Pokethulhu |
| Pokethulhu * | DSP401 | 2001 | Dork Storm Press | Pokethulhu |
| Pokethulhu * | | 2002 | Cumberland Games and Diversions | Pokethulhu |
| Polaris | 1 | Sum 1987 | Self Published | Call of Cthulhu (Classic) |
| Politics as Usual | | Nov 2021 | Chaosium | Call of Cthulhu (Now) |
 Polyhedron | 44 | Nov 1988 | TSR | Call of Cthulhu (Classic) |
| Polyhedron | 54 | Jul 1990 | TSR | Call of Cthulhu (Classic) |
| Polyhedron | 64 | Oct 1991 | TSR | Call of Cthulhu (Classic), Gangbusters |
| Polyhedron | 124 | Sep 1996 | TSR | Call of Cthulhu (Now) |
| Polyhedron | 133 | Dec 1998 | TSR | Call of Cthulhu (Classic) |
| Polyhedron | 144 | Oct 2000 | TSR | Call of Cthulhu (Classic) |
| Polyhedron UK | 2 | Nov 1998 | TSR | Call of Cthulhu (Classic) |
| Polyhedron UK | 3 | Jan 1999 | TSR | Call of Cthulhu (Classic) |
| Polyhedron UK | 4 | Mar 1999 | TSR | Call of Cthulhu (Classic) |
| Polyhedron UK | 7 | 2000 | TSR | Call of Cthulhu (Delta Green) |
| Polyhedron UK | 8 | 2000 | TSR | Call of Cthulhu (Delta Green) |
| Polyonymous and The Stalker | | Nov 2024 | Chaosium | Call of Cthulhu (Classic) |
| Ponies Out of Time | | Apr 2025 | Chaosium | Call of Cthulhu (Classic) |
| Pop Goes the Weasel | | Jul 2021 | Chaosium | Call of Cthulhu (Strange Aeons) [1978] |
| Porphory and Asphodel | cr3002 | 2011 | Cthulhu Reborn | Call of Cthulhu (Dreamlands) |
| Porridge | | 2016 | Self Published | Lovecraftesque |
| Portals | 1 | 1993 | Self Published | Call of Cthulhu (Classic) |
| The Portsmouth Mermaid | PDGDCCFT2 | 2014 | Purple Duck Games | Dungeon Crawl Classics |
| The Posse | | Dec 2020 | Chaosium | Call of Cthulhu (Darker Trails) |
| The Possession | | 2013 | Self Published | Call of Cthulhu (Classic) |
| Post Card - Peru - Masks of Nyarlathotep | | Jan 2021 | Chaosium | Call of Cthulhu (Classic) |
| The Post Modernists | | 2008 | Self Published | Call of Cthulhu (Rising) |
| Post-Cthulhu | | 2016 | Starbright Illustrations | Fate of Cthulhu |
| Postcard Cthulhu | | 2014 | Modest Games | Postcard Cthulhu |
| Power Core: Call of Cthulhu | | 2023 | Board&Dice | Power Core: Call of Cthulhu |
| The Preacher and the Cross * | | 1990 | ADP Systems | Call of Cthulhu (Classic) |
| Preacher-Man | | 2013 | Arcane Footpad | Trail of Cthulhu, Savage Worlds (Realms of Cthulhu), Call of Cthulhu (Classic) |
| The Prehistory War | | 2021 | Petersen Games | Dungeons and Dragons |
| The Premiere of the King | | Jun 2019 | Chaosium | Call of Cthulhu (Classic) |
| The Prepared Investigator | | Jul 2018 | Stygian Fox | Call of Cthulhu (Classic) |
| Presence | APU8165 | 2023 | Arc Dream Publishing | Delta Green |
| Present Day Cthulhu | | 2014 | Starbright Illustrations | Fate of Cthulhu |
| Present Day Cthulhu | | 2014 | Starbright Illustrations | Multiverse Adventures |
| The Primal State | CHA0344 | 2007 | Chaosium | Call of Cthulhu (Classic) |
| Primeval Earth Map | CW-M01 | 2015 | Petersen Games | Cthulhu Wars |
| The Primrose Path | | 2012 | Reality Blurs | tremulus |
| Prison for the Thousand Young | | Aug 2020 | Chaosium | Call of Cthulhu (Strange Aeons) |
| The Prisoner's Dilemma | | Aug 2021 | Chaosium | Call of Cthulhu (Classic) |
| Prisoners of the Frozen Dream | | Sep 2025 | Chaosium | Call of Cthulhu (Now) |
| Prisoners' Dilemma | | Mar 2021 | Chaosium | Call of Cthulhu (Classic) |
| Private Dining | | Mar 2026 | Chaosium | Call of Cthulhu (Classic) |
| Private Sector Pack 1 | | Sep 2022 | Arc Dream Publishing | Delta Green |
| Problem and Edge Cards | PELGOC01P | 2018 | Pelgrane Press | Cthulhu Confidential |
| The Professor and the Cube | | Dec 2025 | Chaosium | Call of Cthulhu (Now) |
| Professor Gould Has Gone Batty! | | Jan 2026 | Chaosium | Call of Cthulhu (Classic) |
| Progeny | | Nov 2022 | Chaosium | Call of Cthulhu (Classic) |
| Project Cthulhu | | 2016 | Board&Dice | Multiversum |
| The Promethean Highway | | Feb 2024 | Chaosium | Call of Cthulhu (Strange Aeons) [2902] |
| Promo Pack | | 2018 | Dann Kriss Games | Cthulhu: The Great Old One |
| The Prop Room * | | 2020 | Skirmisher Publishing | Call of Cthulhu (Classic) |
| The Prophetess | | 2019 | Petersen Games | Cthulhu Wars |
| Protect and Survive | | Nov 2020 | Chaosium | Call of Cthulhu (Now) |
| Proteges and Last Wills and Testaments | | Aug 2019 | Chaosium | Call of Cthulhu (Classic) |
| The Protocol | | May 2025 | Chaosium | Call of Cthulhu (Strange Aeons) [1973] |
| Protodimension | 1 | Sum 2009 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 2 | Aut 2009 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 3 | Win 2009 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 4 | Spr 2010 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 5 | Sum 2010 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 6 | Aut 2010 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 7 | Win 2010 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 10 | Aut 2011 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 8 | Spr 2011 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 9 | Sum 2011 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 11 | Win 2012 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 12 | Spr 2012 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 13 | Aut 2012 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 14 | Win 2013 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 15 | Spr 2013 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 16 | Sum 2013 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 17 | Aut 2013 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 18 | Win 2014 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 19 | Spr 2014 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 20 | Sum 2014 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 21 | Aut 2014 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 22 | Win 2015 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 23 | Spr 2015 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 24 | Jan 2016 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 25 | Feb 2016 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 26 | Mar 2016 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 27 | Sep 2016 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protodimension | 28 | Oct 2016 | Kinstaff Media | Call of Cthulhu (Classic) |
| Protoplasm | 3 | | Self Published | Call of Cthulhu (Classic) |
| Prowler at the Threshold | | May 2023 | Chaosium | Call of Cthulhu (Now) |
| The Psychic | | 2011 | Stardust Publications | Dark Aeons |
| Public Interest Pack 1 | | Oct 2022 | Arc Dream Publishing | Delta Green |
| Pulp Cthulhu | CHA23107 | 2016 | Chaosium | Call of Cthulhu (Classic) |
| Pulp Cthulhu Damage Rules | | Sep 2019 | Chaosium | Call of Cthulhu (Classic) |
| Pulp Cthulhu: Department 29 New Gadgets! | | Jan 2021 | Chaosium | Call of Cthulhu (Now) |
| Pulp Cthulhu: Heroes' New Talents! | | Jan 2021 | Chaosium | Call of Cthulhu (Classic) |
| PULP Fiction | | | Self Published | Call of Cthulhu (Now) |
| Punch Board Faction Cards | CW-E10 | 2017 | Petersen Games | Cthulhu Wars |
| Puncture Wounds | SFX-4000 | Aug 2018 | Stygian Fox | None |
| Punktown | | 2018 | Miskatonic River Press | Call of Cthulhu (Cyberpunk) |
| Puppet Shows and Shadow Plays | APU8149 | 2023 | Arc Dream Publishing | Delta Green |
| The Purist Adventures * | PELGB4 | 2010 | Pelgrane Press | Trail of Cthulhu |
| The Purple Jacket | | Aug 2019 | Chaosium | Call of Cthulhu (Classic) |
| The Pursuit | | May 2023 | Chaosium | Call of Cthulhu (Regency) |
| Pursuit to Kadath | T-3 | 1983 | Theatre of the Mind Enterprises | Call of Cthulhu (Classic) |
| PX Poker Night | | | Arc Dream Publishing | Delta Green |
| Pyramid | 1 | May 1993 | Steve Jackson Games | Call of Cthulhu (Classic) |
| Pyramid | 11 | Jan 1994 | Steve Jackson Games | None |
| Pyramid | 5 | Jan 1994 | Steve Jackson Games | None |
| Pyramid | 12 | Mar 1995 | Steve Jackson Games | GURPS (CthulhuPunk) |
| Pyramid | 13 | May 1995 | Steve Jackson Games | None |
| Pyramid | 28 | Nov 1997 | Steve Jackson Games | Paranoia |
| Pyramid Volume 2 | | | Steve Jackson Games | Call of Cthulhu (Delta Green) |
| Pyrophobia Promo Card | | Mar 2009 | Steve Jackson Games | Munchkin |