Call of Cthulhu Supplements

This page aims to offer a complete list of supplements for Chaosium's seminal Call of Cthulhu roleplaying game.
==Chaosium Supplements==
*1920s Investigator's Companion
*A Time to Harvest (2021)
*Alone Against the Dark (2018)
*Alone Against the Flames (2016)
*Alone Against the Frost (2019)
*Alone Against the Static (2023)
*Alone Against the Tide (2020)
*Alone Against the Wendigo (1985, 2019)
*H. P. Lovecraft's Arkham (2003)
*Arkham (2024)
*Arkham Now (2010)
*Arkham Sanitarium (1997)
*Arkham Unveiled (1990)
*The Asylum & Other Tales (1983)
*At Your Door (1990)
*Atomic-Age Cthulhu (2013)
*Before the Fall (1998)
*The Big Book of Cults (2005)
*Blood Brothers (1990)
*Blood Brothers 2 (1992)
*The Cairo Guidebook (1995)
*Call of Cthulhu: The Coloring Book (2017)
*Camp Sunny (2017)
*Canis Mysterium (2013)
*The Children of Fear
*Cold Harvest (2014)
*The Compact Arkham Unveiled (1995)
*The Creature Companion (1998)
*The Cruel Empire of Tsan Chan (2010)
*Cthulhu by Gaslight (1986, 1989)
*Cthulhu Casebook (1990)
*Cthulhu Classics (1989)
*Cthulhu Companion (1983)
*Cthulhu Dark Ages (2003)
*Cthulhu Dark Ages: The Abbey (2004)
*Cthulhu Invictus (2009)
*The Cthulhu Invictus Companion (2011)
*Cthulhu Now (1987, 1992)
*Cthulhu Rising (2008)
*Curse of the Chthonians (1984)
*Dead Light & Other Dark Turns (2020)
*Dead Light (2013)
*Dead Reckonings (1998)
*The Derelict (2016)
*Dire Documents (1993)
*Dispersing Vibrato
*Does Love Forgive? (2020)
*Doors to Darkness (2016)
*H. P. Lovecraft's Dreamlands (1986)
*H. P. Lovecraft's Dunwich (2002)
*The Encyclopedia Cthulhiana (1994)
*End Time (2001)
*Escape from Innsmouth (1992)
*Extrico Tabula (2008)
*First Book of Things (2004)
*The Fungi from Yuggoth (1984)
*The Grand Grimoire of Cthulhu Mythos Magic (2017)
*Green and Pleasant Land (1987)
*The Gaslight Equipment Catalogue (2007)
*Gateways to Terror (2020)
*Gatsby and the Great Race (2005)
*Great Old Ones (1989)
*Horror on the Orient Express (1991, 2013)
*In the Shadows (1995)
*Keeper Screen (1988, 1991, 1992, 2000, 2010, 2016)
*Keeper Tips: Collected Wisdom on Running Games (2021)
*The Keeper's Companion (2000-2002)
*H. P. Lovecraft's Kingsport (2008)
*Malleus Monstrorum (2006, 2020)
*Miskatonic U. Graduate Kit (1987)
*Nameless Horrors (2015, 2023)
*New Tales of the Miskatonic Valley
*Once Men (2008)
*The Order of the Stone (2024)
*Pulp Cthulhu (2016)
*Raising Up (2004)
*Ramsey Campbell's Goatswood and Less Pleasant Places (2001)
*Ravenstone Sanitarium (2008)
*Regency Cthulhu (2022)
*Ripples from Carcosa (2014)
*S. Petersen's Field Guide to Cthulhu Monsters (1988)
*S. Petersen's Field Guide to Lovecraftian Horrors (2015)
*Scritch Scratch (2018)
*Secrets (1997)
*Secrets of Japan (2005)
*Secrets of Kenya (2008)
*Secrets of New York (2005)
*Secrets of Tibet (2013)
*Shadows of Yog-Sothoth (1982)
*The Stars Are Right! (1992, 2004)
*Tales of the Miskatonic Valley (1991)
*Tales of the Sleepless City (2013)
*Terror Australis (1987)
*Terror From the Skies (2012)
*Terrors From Beyond (2009)
*Unseen Masters (2001)
*Utatti Asfet (1996)
*Ye Booke of Monstres (1994)
*Ye Booke of Monstres II (1995)
==Third-Party Supplements== 
*7th Edition Cthulhu Invictus Screen
*A Handful of Dust (2003)
*Achtung! Cthulhu: Guide to the Eastern Front (2014)
*Achtung! Cthulhu: Guide to the Pacific Front (2014)
*Achtung! Cthulhu: Keeper's Guide to the Secret War (2013)
*Achtung! Cthulhu: Under the Gun (2021)
*An Inner Darkness
*The Arkham Evil (1983)
*Aspirations (2019)
*Autophagia (2019)
*Avalon: The County of Somerset (2010)
*The Ballad of Bass Rock (2012)
*Bumps in the Night (2012)
*Cold Warning (2017)
*Coming Full Circle (1995)
*Courting Madness (1992)
*Cthulhu Britannica (2009)
*Cthulhu Britannica: London (2015)
*The Curse of Nineveh (2015)
*The Dare (2017)
*The Dark Forest (2019)
*De Horrore Cosmico (2015)
*Delta Green (1997)
*Devil's Children (1993)
*Devilarium: The Mythos Merchant
*The Eldritch New England Holiday Collection (2021)
*Eyes Like Red Balls of Flame (2020)
*Final Flight (2008)
*Folklore (2013)
*The Foulness Island Vanishings (2020)
*Fronti Nulla Fides (2019)
*The Haunted Clubhouse (2017)
*Heroes and Heroines of Britannia
*Heroes and Heroines of the Shadow War
*Island of Ignorance: The Third Cthulhu Companion (2013)
*The Legacy of Arrius Lurco (2011)
*Lurking Fears (1990)
*Mortal Coils (1998)
*Musketeers vs. Cthulhu (2024)
*The Mysteries of Mesoamerica (2008)
*The Mystery of April Snow
*Never Meet Again (2019)
*Nightmare in Norway (1985)
*Pax Cthuliana (2017)
*Punktown (2018)
*Pursuit to Kadath (1983)
*The Realm of Shadows (1997)
*Red Eye of Azathoth (2011)
*The Resurrected Volume One: Grace Under Pressure (1993)
*The Resurrected Volume Two: Of Keys & Gates (1994)
*The Resurrected III: Out of the Vault (2002)
*The Sassoon Files
*Shadows Over Scotland (2011)
*Sinkhole
*Station 'S' (2020)
*Tales of the Caribbean (2016)
*Terror of Octobernomicon
*Trail of the Loathsome Slime (1985)
*Under A Winter's Snow (2020)
*Verboten! Operation: FAUST (2002)
*Walker in the Wastes (1994)
*The Weapons Compendium (1993)
*Whatever Happened to Alicia Thorne? (2020)
*The Wild Hunt (2019)
*World War Cthulhu (2013)
*World War Cthulhu: Cold War (2016)
*World War Cthulhu: Europe Ablaze (2014)
==Miskatonic Repository Supplements== 
*Dockside Dogs (2012)
*Full Fathom Five (2020)
*My Little Sister Wants You to Suffer (2022)
*The Miskatonic Five (2021)
*Nightmares Beneath the Lonely Plateau (2024)
Category:Gaming Supplements
Category:Expanded Mythos Works
Category:Call of Cthulhu (real world)