Articles

Title	Pages	Publication	Code	Date	Publisher	System (Setting)
U Mad Bro?		U Mad Bro?		2016	Prettiest Princess Games	U Mad Bro?
U-Boat	Event (U)	Cthulhu Rising	CAO1302-1	1996	Chaosium	Mythos
U.S. Coastguard Station	Location (C)	New Aeon	CAO1311-1	1997	Chaosium	Mythos
U.S. Naval Installation	Location (F)	Rosemary's Baby			Self Published	Mythos
U.S. Special Operations Command	1999	delta-green.com			Pagan Publishing	Call of Cthulhu (Delta Green)
U.X.O *	2007	The Fairfield Project			Self Published	Call of Cthulhu (Delta Green)	California
Ubbo-Sathla		Dagon	4	Oct 1984	Self Published	Call of Cthulhu (Classic)
Ubbo-Sathla	88-97	The KarkAsh-Ton Cycle	CHA6046	2008	Chaosium	Call of Cthulhu (Classic)
Ubbo-Sathla Promo Card		Ubbo-Sathla Promo Card		2015	Fantasy Flight Games	Elder Sign
Uebbho-Ko	Oct 2023	shoggoth.net			Self Published	Call of Cthulhu (Classic)
UFO	Event (U)	New Aeon	CAO1311-1	1997	Chaosium	Mythos
Uisge Beatha *	197-225	Shadows Over Scotland	CB7353	2011	Cubicle 7	Call of Cthulhu (Classic)	Scotland; Deep One
Ulms	16-18	Book of Dark Wisdom	1	Sum 2003	Elder Sign Press	Call of Cthulhu (Classic)
Ulthar	248-271	The Sense of the Sleight of Hand Man	APU8001	2013	Arc Dream Publishing	Call of Cthulhu (Dreamlands)	Dreamlands
Ulthar		Ulthar		Apr 2023	Chaosium	Call of Cthulhu (Dreamlands)
Ulthar and Beyond	B:36-44	Spawn of Azathoth	CHA2316-X	1986	Chaosium	Call of Cthulhu (Classic)	Dreamlands; 1927; Yibb-Tstll
Ulthar and Beyond	106-121	Spawn of Azathoth	CHA23101	2005	Chaosium	Call of Cthulhu (Classic)	Dreamlands; 1927; Yibb-Tstll
Ultima Ratio	33-44	Bayt al Azif	4	Jan 2022	Bayt al Azif Inc	Call of Cthulhu (Classic), Trail of Cthulhu	1930s
Ultima Thule		Ultima Thule		Jun 2020	Chaosium	Call of Cthulhu (Classic)	Atlantic Ocean; 1922; Summer
Ultima Thule	Support (F)	Seekers of Knowledge	CT59	2012	Fantasy Flight Games	Call of Cthulhu LCG
Ultima Thule, Beyond Which Nothing	Support (R)	Forgotten Cities		2005	Fantasy Flight Games	Call of Cthulhu CCG
Ultionis Casses	52-71	Malum Umbra	CHA0353	2008	Chaosium	Call of Cthulhu (Invictus)	Italy; March
The Ultra-Violet	Artifact (R)	Limited	CAO1300-1	1996	Chaosium	Mythos
Ultravox		Hastur Hobbies			Self Published	Mythos
Ululatus Anima	Oct 2014	shoggoth.net			Self Published	Call of Cthulhu (Classic)
Umr at-Tawil	Character (F)	Seekers of Knowledge	CT59	2012	Fantasy Flight Games	Call of Cthulhu LCG
The (Un)natural Man *	2020	The Fairfield Project			Self Published	Call of Cthulhu (Delta Green)	New Jersey
UNACKNOWLEDGED	2018	The Fairfield Project			Self Published	Call of Cthulhu (Delta Green)
Unacknowledged Author/Enthusiastic Chorus Girl	Investigator (F)	Dreamlands	CAO1307-1	1997	Chaosium	Mythos
Unausprechlichen Kulten	Tome (C)	Limited	CAO1300-1	1996	Chaosium	Mythos
Unausspechlichen Klutzen	1-12	Unaussprechlichen Klutzen		2011	Bully Pulpit Games	Fiasco Classic
Unaussprechlichen Klutzen	21-27	The Unspeakable Oath	21	Jul 2012	Pagan Publishing	Fiasco
Unaussprechlichen Kulten	Support (F)	The Sleeper Below	CT63	2014	Fantasy Flight Games	Call of Cthulhu LCG
Unaussprechlichen Kulten, Von Junzt's Dark Masterpiece	Support (R)	Arkham Edition		2004	Fantasy Flight Games	Call of Cthulhu CCG
Unavoidable Delay	Event (U)	Masks of Nyarlathotep		2005	Fantasy Flight Games	Call of Cthulhu CCG
The Unbearable Likeness		The Unbearable Likeness	FXC-01	Jun 2019	Stygian Fox	Call of Cthulhu (Now)	New York
Unbearable Visions	Support (C)	Eldritch Edition		2005	Fantasy Flight Games	Call of Cthulhu CCG
The Unborn	2007	talesofterror.net			Self Published	Call of Cthulhu (Classic)
Unbound!	Event (F)	The Order of the Silver Twilight	CT33	2010	Fantasy Flight Games	Call of Cthulhu LCG
Unboxing		Unboxing		Aug 2021	Chaosium	Call of Cthulhu (Classic)	Arkham; Nyarlathotep
An Unbreakable Oath	Support (R)	Eldritch Edition		2005	Fantasy Flight Games	Call of Cthulhu CCG
The Uncanny Curse of Sekhmet	1-20	The Uncanny Curse of Sekhmet		Jun 2020	Self Published	Broken Compass, Call of Cthulhu (Classic), GURPS, Risus	Italy; Egypt; August; 1936
Uncle Dave's Cabin	Location (F)	Scooby Doo Set 2		Mar 1999	Self Published	Mythos
Uncle George's Halloween Party		Serendipity's Circle	12		Self Published	Call of Cthulhu (Classic)	Massachusetts; Halloween
Uncle George's Halloween Party		RPG Archive			Self Published	Call of Cthulhu (Classic)	Massachusetts; Halloween
Uncle George's Murder Mystery Party		Serendipity's Circle	18		Self Published	Call of Cthulhu (Classic)	Massachusetts
Uncle Nathaniel Rogers	Ally (F)	Scooby Doo Set 2		Mar 1999	Self Published	Mythos
Uncle Nathaniel's Place	Location (F)	Scooby Doo Set 2		Mar 1999	Self Published	Mythos
Uncle Timothy's Will	6-15	Blood Brothers	CHA2329	1990	Chaosium	Call of Cthulhu (Classic)	Vermont; April; 1928; Demon
The Unclean	149-172	World War Cthulhu: Cold War - Covert Actions	CB71972	2017	Cubicle 7	Call of Cthulhu (Cold War)	Russia; 1970s
The Unclean	2015	The Fairfield Project			Self Published	Call of Cthulhu (Delta Green)	Russia
Unconsecrated Ground	Event (U)	Serena's Dojo		1999	Self Published	Mythos
Unconventional Firearms	62-66	The Unspeakable Oath	23	Aug 2013	Pagan Publishing	Call of Cthulhu (Classic)
Unconventional Weapons	108-112	Terrors of the Secret War	MUH050025AC	2014	Modiphius Entertainment	Call of Cthulhu (Achtung!)
Undead in Reality	27-39	RPG Review	28.29	Sep 2015	Self Published	None
Undead Wizard		Undead Wizard		2015	Pleasant Company Games	Ancient Terrible Things
Under a Blood Red Sky	1997	talesofterror.net			Self Published	Call of Cthulhu (Classic)
Under a Blood Red Sky		RPG Archive			Self Published	Call of Cthulhu (Dreamlands)
Under a Blood Red Sky: A Tale of Terror		Chaosium Digest	v21n05	Sep 1997	Chaosium	Call of Cthulhu (Dreamlands)
Under a Grey Sun	1-3	Under a Grey Sun		2016	Self Published	Lovecraftesque	Fantasy World
Under a Werewolf Moon	148-159	Shadows Over Filmland	PELGT06	2008	Pelgrane Press	Trail of Cthulhu	Germany
Under a Winter's Snow		Under a Winter's Snow	FXC-09	2020	Stygian Fox	Call of Cthulhu (Classic)	North Dakota; Winter; 1921
Under Cover of Darkness	Support (F)	Denizens of the Underworld	CT62	2014	Fantasy Flight Games	Call of Cthulhu LCG
Under Dark Waves		Under Dark Waves	AHB05	2020	Fantasy Flight Games	Arkham Horror
Under New Management	1998	talesofterror.net			Self Published	Call of Cthulhu (Classic)
Under New Management	2017	The Fairfield Project			Self Published	Call of Cthulhu (Delta Green)
Under New Management		RPG Archive			Self Published	Call of Cthulhu (Classic)
Under Surveillance	Support (F)	For the Greater Good	CT64	2015	Fantasy Flight Games	Call of Cthulhu LCG
Under the Big Top		More Tales of Terror	PAG2105	2000	Pagan Publishing	Call of Cthulhu (Classic)
Under the Boardwalk	7-34	Farewell, My Sanity	CHA0346	2007	Chaosium	Call of Cthulhu (Classic)	Los Angeles; 1920s; Deep One
Under the Charcoal Sky	140-143	APOCTHULHU	cr6100	2020	Cthulhu Reborn	APOCTHULHU
Under the Cloak of Darkness	Support (R)	Unspeakable Tales		2004	Fantasy Flight Games	Call of Cthulhu CCG
Under the Deep		Under the Deep		2013	Self Published	Call of Cthulhu (Classic)	Pacific Ocean; 1920s
Under the Dunes		Under the Dunes		Mar 2023	Chaosium	Call of Cthulhu (Classic)	Michigan
Under the Frozen Grove		Under the Frozen Grove		Jun 2021	Chaosium	Call of Cthulhu (Classic)	Italy; 1933
Under the Gun		Behind Enemy Lines		2022	Modiphius Entertainment	Achtung! Cthulhu	England; June; 1940
Under the Knife: Psychosurgery	74-78	The Black Seal	4	Aut 2023	Sixtystone Press	Call of Cthulhu (Classic)
Under the Mask	117-119	Lovecraftesque		2016	Black Armada Games	Lovecraftesque	Mali
Under the Microscope	Event (F)	The Spoken Covenant	CT36	2010	Fantasy Flight Games	Call of Cthulhu LCG
Under the Porch	Support (F)	The Horror Beneath the Surface	CT20	2009	Fantasy Flight Games	Call of Cthulhu LCG
Under the Pyramids		Under the Pyramids	EH05	2015	Fantasy Flight Games	Eldritch Horror
Under the Red Light	1-10	Under the Red Light		Nov 2022	Chaosium	Call of Cthulhu (Classic)	Caribbean Sea; February; 1920
Under the Tree		Under the Tree		Mar 2021	Chaosium	Call of Cthulhu (Now)	England; 2010s
Under the Yellow Sign	Support (F)	For the Greater Good	CT64	2015	Fantasy Flight Games	Call of Cthulhu LCG
Under Your Feet	104	Five Points	MYL30301	2016	Mystic Throne Entertainment	Dark Streets	New York; 1840s
Undercover Agent	Character (U)	Masks of Nyarlathotep		2005	Fantasy Flight Games	Call of Cthulhu CCG
Undercover Security	Character (C)	Eldritch Edition		2005	Fantasy Flight Games	Call of Cthulhu CCG
Undercover Security	Character (F)	Call of Cthulhu The Card Game	CT18	2008	Fantasy Flight Games	Call of Cthulhu LCG
The Underground	97-117	Return to Dunwich	CHA2330	1991	Chaosium	Call of Cthulhu (Classic)
Underground	25-26, 35-36	The Good Games Guide	1	Win 1985	Games Workshop	Call of Cthulhu (WWII)
The Underground	119-139	H.P. Lovecraft's Dunwich	CHA8802	2002	Chaosium	Call of Cthulhu (Classic)
Underground Asylum	Support (F)	The Spawn of the Sleeper	CT19	2009	Fantasy Flight Games	Call of Cthulhu LCG
The Underground Conspiracy	Conspiracy (F)	Conspiracies of Chaos		2006	Fantasy Flight Games	Call of Cthulhu CCG
The Underground Conspiracy	Conspiracy (F)	Conspiracies of Chaos	CT14e	2011	Fantasy Flight Games	Call of Cthulhu LCG
The Underground Menace	A-D	Fragments of Fear	CHA2310	1985	Chaosium	Call of Cthulhu (Classic)	Democratic Republic of the Congo; Byakhee; Flying Polyp
Underground Menace	18-21	Different Worlds	19	Feb 1982	Chaosium	Call of Cthulhu (Classic)	Michigan; 1920s; Dark Young of Shub-Niggurath
Underground Press	Support (R)	Eldritch Edition		2005	Fantasy Flight Games	Call of Cthulhu CCG
Underground River	Support (U)	Eldritch Edition		2005	Fantasy Flight Games	Call of Cthulhu CCG
Underground Seattle	Location (F)	Seattle			Self Published	Mythos
Underneath the Surface	Event (F)	The Twilight Beckons	CT40	2011	Fantasy Flight Games	Call of Cthulhu LCG
Undersea Treasures	Support (R)	Arkham Edition		2004	Fantasy Flight Games	Call of Cthulhu CCG
Understudy	52-61	Tales out of Innsmouth	CHA6024	2006	Chaosium	Call of Cthulhu (Classic)
Undertow	13-17	Fear's Sharp Little Needles	3005	2018	Stygian Fox	Call of Cthulhu (Now)	California
Undertow of Madness		Undertow of Madness		2020	Grimlord Games	The Everrain
The Underwater Conspiracy	Conspiracy (F)	The Spawn of the Sleeper	CT19	2009	Fantasy Flight Games	Call of Cthulhu LCG
The Underworld	72-104	The Sense of the Sleight of Hand Man	APU8001	2013	Arc Dream Publishing	Call of Cthulhu (Dreamlands)	Dreamlands
Underworld Contacts	Event (F)	Eldritch Edition Premium Starter Set		2005	Fantasy Flight Games	Call of Cthulhu CCG
Underworld Contacts	Event (C)	Unspeakable Tales		2004	Fantasy Flight Games	Call of Cthulhu CCG
Underworld Monsters Deck		Thastygliax's Vault			Self Published	Mythos
The Undesirables	52-66	Tails of Valor	GGP1911	2019	Golden Goblin Press	Call of Cthulhu (Catthulhu), Call of Cthulhu (Cathulhu)	France
Undimensioned and Unseen		Undimensioned and Unseen	AHC06	2017	Fantasy Flight Games	Arkham Horror: The Card Game
Undocumented Expedition	Event (U)	Arkham Edition		2004	Fantasy Flight Games	Call of Cthulhu CCG
The Undying Ashuha	Jul 2022	shoggoth.net			Self Published	Call of Cthulhu (Classic)
Undying Leaders	3-15	Undying Leaders	CHA0343	2007	Chaosium	Call of Cthulhu (Classic)
The Undying Leaders of Tibet	35-77	Undying Leaders	CHA0343	2007	Chaosium	Call of Cthulhu (Classic)	Tibet; 1920s
Une Nuit a l'Opera	2019	The Fairfield Project			Self Published	Call of Cthulhu (Delta Green)	Canada
Unearthing the Ancients	Event (U)	Arkham Edition		2004	Fantasy Flight Games	Call of Cthulhu CCG
Unearthing the Ancients	Event (F)	Call of Cthulhu The Card Game	CT18	2008	Fantasy Flight Games	Call of Cthulhu LCG
Uneasy Translator	Character (F)	The Cacophony	CT39	2010	Fantasy Flight Games	Call of Cthulhu LCG
Unending Festivities	Conspiracy (F)	Terror in Venice	CT61	2013	Fantasy Flight Games	Call of Cthulhu LCG
Unexpected Ally	Character (R)	Masks of Nyarlathotep		2005	Fantasy Flight Games	Call of Cthulhu CCG
Unexpected Bonus	84-85	Unveiled Threats	WDF23600	2011	WildFire Games	CthulhuTech
An Unexpected Calamity	Event (R)	New Aeon	CAO1311-1	1997	Chaosium	Mythos
An Unexpected Calamity	Event (U)	Limited	CAO1300-1	1996	Chaosium	Mythos
An Unexpected Calamity		Chaosium Digest	v18n05	Feb 1997	Chaosium	Mythos
Unexpected Eclipse	Event (C)	New Aeon	CAO1311-1	1997	Chaosium	Mythos
Unexpected Guest	Aug 2009	talesofterror.net			Self Published	Call of Cthulhu (Classic)	Mi-Go
An Unexpected Return	20-78	Once Men	CHA0356	2008	Chaosium	Call of Cthulhu (Once Men)	Solar System
Unexpected Surprise	Event (F)	Scooby Doo Set 2		Mar 1999	Self Published	Mythos
Unfathomable		Steampunk Cthulhu	CHA6054	2014	Chaosium	Call of Cthulhu (Steampunk)
Unfathomable		Unfathomable	UNF01	2021	Fantasy Flight Games	Unfathomable
Unfathomable Elder Thing	Character (F)	The Horror Beneath the Surface	CT20	2009	Fantasy Flight Games	Call of Cthulhu LCG
Unforseen Setback	Support (F)	Shadow of the Monolith	CT52	2012	Fantasy Flight Games	Call of Cthulhu LCG
The Unfortunate Cat Klaus, Forsaken Feline	Character (P)	Eldritch Edition Promo		2005	Fantasy Flight Games	Call of Cthulhu CCG
The Unfortunate Eskimo	Adventure (F)	Rosemary's Baby			Self Published	Mythos
The Unfortunate Nephew/Controversial French Mystic	Investigator (F)	Limited	CAO1300-1	1996	Chaosium	Mythos
Unfriendly *	2009	The Fairfield Project			Self Published	Call of Cthulhu (Delta Green)
Unhealthy Curiosity	Event (C)	Arkham Edition		2004	Fantasy Flight Games	Call of Cthulhu CCG
Unhealthy Fixation	Support (F)	The Gleaming Spiral	CT44	2011	Fantasy Flight Games	Call of Cthulhu LCG
Unhealthy Occupation	62-75	The Unspeakable Oath	14/15	1997	Pagan Publishing	Call of Cthulhu (Classic)	Virginia
Unhinged Laborer	Character (F)	The Mark of Madness	CT66	2015	Fantasy Flight Games	Call of Cthulhu LCG
The Unholies	49-50	The Black Seal	2	Mar 2003	Brichester University Press	Call of Cthulhu (Now)
Unholy Presents		Unholy Presents		2016	Atlas Games	Lost in R'lyeh
Unicum: H P Lovecraft Edition		Unicum: H P Lovecraft Edition		2014	Sphinx Speileverlag	Unicum
Uniform	12-13	The Interstellar Colonial Marine Corps		2008	Self Published	Call of Cthulhu (Rising)
Unimaginable Apparition	Monster (F)	Rosemary's Baby			Self Published	Mythos
Union and Disillusion		Union and Disillusion	AHC33	2019	Fantasy Flight Games	Arkham Horror: The Card Game
Unique High Priests		Unique High Priests		2016	Petersen Games	Cthulhu Wars
Unit 23	2009	The Fairfield Project			Self Published	Call of Cthulhu (Delta Green)	Chicago
The United Colonial Coalition Asteroid Colonies for the End Time Setting	74-78	Ripples From Carcosa	CHA0312	2005	Chaosium	Call of Cthulhu (End Time)
United Nations	Location (C)	New Aeon	CAO1311-1	1997	Chaosium	Mythos
The United Nations	33-36	Shadowfall	BB-WBC-005	2019	Baggage Books	Cepheus Engine
Units of Dust	23-33	Secrets of the Dust	MUH050028	2016	Modiphius Entertainment	Savage Worlds (Achtung!), Savage Worlds (Dust), Call of Cthulhu (Achtung!)
University of Tokyo	334-342	Secrets of Japan	CHA2392	2005	Chaosium	Call of Cthulhu (Classic)
The Unknowable Box		The Unknowable Box		2023	CMON Limited	Cthulhu: Death May Die (Fear of the Unknown)
Unknown Kadath	Support (F)	Journey to Unknown Kadath	CT31	2010	Fantasy Flight Games	Call of Cthulhu LCG
Unland	102-107	Fear's Sharp Little Needles	3005	2018	Stygian Fox	Call of Cthulhu (Now)	England
Unleash the Hellish Horde	181-194	D-Day: The Darkest Day	MUH0010317	May 2024	Modiphius Entertainment	Achtung! Cthulhu	France; 1944
Unlicensed Garage	Support (R)	Masks of Nyarlathotep		2005	Fantasy Flight Games	Call of Cthulhu CCG
Unlikely Informant	Character (F)	That Which Consumes	CT45	2011	Fantasy Flight Games	Call of Cthulhu LCG
Unlocking Dice: Dice Vermiis Mysteriis		Unlocking Dice: Dice Vermiis Mysteriis		2020	Petersen Games	Unlocking Insanity
Unmasked Rally	1-16	Unmasked Rally		2016	Xipe Totec Press	None
The Unmasking	1-8	The Unmasking		2013	Self Published	Call of Cthulhu (Delta Green)	California; January; 2000s
Unmasking Corruption	Support (U)	Masks of Nyarlathotep		2005	Fantasy Flight Games	Call of Cthulhu CCG
Unmasking Cowardice	Support (U)	Masks of Nyarlathotep		2005	Fantasy Flight Games	Call of Cthulhu CCG
Unmasking Cruelty	Support (U)	Masks of Nyarlathotep		2005	Fantasy Flight Games	Call of Cthulhu CCG
Unmasking Hubris	Support (U)	Masks of Nyarlathotep		2005	Fantasy Flight Games	Call of Cthulhu CCG
Unmasking Idiocy	Support (U)	Masks of Nyarlathotep		2005	Fantasy Flight Games	Call of Cthulhu CCG
Unmasking Shame	Support (U)	Masks of Nyarlathotep		2005	Fantasy Flight Games	Call of Cthulhu CCG
Unmasking Treachery	Support (U)	Masks of Nyarlathotep		2005	Fantasy Flight Games	Call of Cthulhu CCG
The Unmoving Finger	Support (C)	Forgotten Cities		2005	Fantasy Flight Games	Call of Cthulhu CCG
The Unnamable	Oct 2005	shoggoth.net			Self Published	Call of Cthulhu (Classic)
The Unnamable House	Location (U)	Limited	CAO1300-1	1996	Chaosium	Mythos
The Unnamable House	Support (R)	Arkham Edition		2004	Fantasy Flight Games	Call of Cthulhu CCG
The Unnamable One	Adventure (F)	House of Tindalos			Self Published	Mythos
Unnameable		Unnameable	CW-U25	2019	Petersen Games	Cthulhu Wars
The Unnameable One	Adventure (F)	Unofficial Mythos Adventure Archive			Self Published	Mythos
The Unnameable One	Adventure (F)	Chaosium Digest	v22n12	Jan 1998	Chaosium	Mythos
The Unnameable Undone	1:47	Horror on the Orient Express Music	AOCD7004	2005	A O Music	Call of Cthulhu (Classic)
Unnamed Deck		Hastur Hobbies			Self Published	Mythos
The Unnatural	140-255	Handler's Guide	APU8113	2018	Arc Dream Publishing	Delta Green
The Unnatural	191-306	The Fall of Delta Green		2018	Pelgrane Press	The Fall of Delta Green
Unnatural Behaviour		Tales of Terror (II)	PAG2102	1996	Pagan Publishing	Call of Cthulhu (Classic)
Unnatural Behaviour	1996	talesofterror.net			Self Published	Call of Cthulhu (Classic)
Unnatural Entities	5-66	H P Lovecraft's Book of Yog-Sothery	CR5061	2023	Cthulhu Reborn	Cthulhu Eternal, Fhtagn, APOCTHULHU
Unnatural Mystic		Unnatural Mystic		2018	Pleasant Company Games	Ancient Terrible Things
Unnatural Places	133-159	H P Lovecraft's Book of Yog-Sothery	CR5061	2023	Cthulhu Reborn	Fhtagn, APOCTHULHU, Cthulhu Eternal
Unnatural Rituals	81-102	H P Lovecraft's Book of Yog-Sothery	CR5061	2023	Cthulhu Reborn	APOCTHULHU, Cthulhu Eternal, Fhtagn
Unnatural Stealth	Event (C)	Arkham Edition		2004	Fantasy Flight Games	Call of Cthulhu CCG
Unnatural Stealth	Event (F)	Arkham Edition Premium Starter Set		2004	Fantasy Flight Games	Call of Cthulhu CCG
Unnatural Stealth	Event (F)	Arkham Edition Premium Starter Set		2004	Fantasy Flight Games	Call of Cthulhu CCG
Unnatural Stealth	Event (F)	Arkham Edition Premium Starter Set		2004	Fantasy Flight Games	Call of Cthulhu CCG
Unnatural Stealth	Event (F)	Arkham Edition Premium Starter Set		2004	Fantasy Flight Games	Call of Cthulhu CCG
Unnaturally Familiar: Fiendish Friends for Immortal Sorcerers		Chaosium Digest	v36n05	May 2002	Chaosium	Call of Cthulhu (Classic)
The Unnoticed	Oct 2024	shoggoth.net			Self Published	Call of Cthulhu (Classic)
Unorthodox Psychologist	Character (F)	The Thing from the Shore	CT23	2009	Fantasy Flight Games	Call of Cthulhu LCG
Unorthodox Tactics	Conspiracy (F)	The Thing from the Shore	CT23	2009	Fantasy Flight Games	Call of Cthulhu LCG
An Unplanned Rescue	79-80	Fictional Reality	18	Dec 2004	Self Published	Call of Cthulhu (Now)
Unpleasant Dreams	145-162	Goatswood and Less Pleasant Places	CHA2393	2001	Chaosium	Call of Cthulhu (Now)	England; Insect from Shaggai
Unpleasant Dreams		Unpleasant Dreams	AG1331	2012	Atlas Games	Gloom
The Unpossessed	7	The Whisperer	4	Spr 2001	Severn Valley Press	Call of Cthulhu (Dreamlands)	Dreamlands
The Unquiet Earth	Story (F)	Eldritch Edition		2005	Fantasy Flight Games	Call of Cthulhu CCG
The Unquiet Earth	Story (F)	Eldritch Edition Premium Starter Set		2005	Fantasy Flight Games	Call of Cthulhu CCG
Unquiet Spirits	60-61	The Masks of Nyarlathotep Companion (Unlimited)	60-MONC-03 (?)	2016	Sixtystone Press	Call of Cthulhu (Classic)
Unquiet Spirits	70-71	The Masks of Nyarlathotep Companion (Limited)	60-MONC-08	2016	Sixtystone Press	Call of Cthulhu (Classic)
The Unraveled Nerve	Support (C)	Forgotten Cities		2005	Fantasy Flight Games	Call of Cthulhu CCG
The Unraveling		Al-Azif Unearthed: The Unraveling		Jan 2023	Chaosium	Call of Cthulhu (Classic)	Boston; Summer; 1925
The Unravelling		The Unravelling		Jul 2019	Dark Trapezohedron Productions	Call of Cthulhu (Gaslight)	1890s
The Unreflecting Mirror	Support (C)	Masks of Nyarlathotep		2005	Fantasy Flight Games	Call of Cthulhu CCG
Unremembered		Unremembered		Jan 2019	Chaosium	Call of Cthulhu (Now)	New Orleans; 1993
The Unremembered		The Unremembered		Jul 2023	Chaosium	Call of Cthulhu (Classic)	Indiana; September; 1921
Unsanitary Conditions	2021	The Fairfield Project			Self Published	Call of Cthulhu (Delta Green)	Michigan
Unscrupulous Acquisitionist	Character (F)	The Gleaming Spiral	CT44	2011	Fantasy Flight Games	Call of Cthulhu LCG
The Unsealed Room	22-30	Secrets	CHA2367	1997	Chaosium	Call of Cthulhu (Now)	1990s; Star Vampire
Unseasonable Blooming and Minuet		Japonism		Aug 2024	Chaosium	Call of Cthulhu (Now)	Japan; December
The Unseeing Eye	Adventure (F)	House of Tindalos			Self Published	Mythos
Unseen Forces		Unseen Forces	SL15	2013	Fantasy Flight Games	Elder Sign
Unseen Mirror		More Tales of Terror	PAG2105	2000	Pagan Publishing	Call of Cthulhu (Classic)
An Unsettled Mind	102-117	Bumps in the Night	PAG1014	2012	Pagan Publishing	Call of Cthulhu (Classic)	Maryland; 1924; June; Non-Mythos
Unsettling Visions	Event (R)	Forbidden Relics		2004	Fantasy Flight Games	Call of Cthulhu CCG
Unspeakable Acts		hyperwerx.net			Self Published	Call of Cthulhu (Now)	Georgia state
Unspeakable Artifacts	41-43	Vision	3	Oct 1992	Self Published	Call of Cthulhu (Classic)
The Unspeakable Betrothal	185-197	Mysteries of the Worm	CHA6037	2009	Chaosium	Call of Cthulhu (Classic)
Unspeakable Box		Unspeakable Box	DMD-KS01	2019	CMON Limited	Cthulhu: Death May Die
Unspeakable Darkness	Event (F)	Rosemary's Baby			Self Published	Mythos
Unspeakable Horrors	204-221	CthulhuTech	WDF23000	2007	WildFire Games	CthulhuTech
Unspeakable Letters Promo Card		Unspeakable Letters Promo Card		2014	Playroom Entertainment	Unspeakable Words
The Unspeakable Oath	Adventure (R)	Expeditions of Miskatonic University	CAO1301-1	1996	Chaosium	Mythos
Unspeakable Oath	Event (R)	Unspeakable Tales		2004	Fantasy Flight Games	Call of Cthulhu CCG
The Unspeakable Oath	Event (F)	Terror in Venice	CT61	2013	Fantasy Flight Games	Call of Cthulhu LCG
The Unspeakable Oath		The Unspeakable Oath	AHC13	2017	Fantasy Flight Games	Arkham Horror: The Card Game
Unspeakable Promise	Support (F)	The Mark of Madness	CT66	2015	Fantasy Flight Games	Call of Cthulhu LCG
Unspeakable Research	Event (F)	Spawn of Madness		2006	Fantasy Flight Games	Call of Cthulhu CCG
Unspeakable Research	Event (F)	Spawn of Madness	CT12e	2011	Fantasy Flight Games	Call of Cthulhu LCG
Unspeakable Resurrection	Event (C)	Arkham Edition		2004	Fantasy Flight Games	Call of Cthulhu CCG
Unspeakable Resurrection	Event (F)	Arkham Edition Premium Starter Set		2004	Fantasy Flight Games	Call of Cthulhu CCG
Unspeakable Resurrection	Event (F)	Arkham Edition Premium Starter Set		2004	Fantasy Flight Games	Call of Cthulhu CCG
Unspeakable Resurrection	Event (F)	Call of Cthulhu The Card Game	CT18	2008	Fantasy Flight Games	Call of Cthulhu LCG
Unspeakable Revelations	Event (R)	Arkham Edition		2004	Fantasy Flight Games	Call of Cthulhu CCG
Unspeakable Secrets Made Easy	92-95	Dragon	150	Oct 1989	TSR	Call of Cthulhu (Classic)
Unspeakable Transformation	Event (F)	The Path to Y'ha-nthlei	CT24	2009	Fantasy Flight Games	Call of Cthulhu LCG
The Unspeakable Vault		The Unspeakable Vault	SJG1455	2008	Steve Jackson Games	Munchkin
Unspeakable Words		Unspeakable Words	PLE26100	2007	Playroom Entertainment	Unspeakable Words
Unspeakable Words Deluxe Edition		Unspeakable Words Deluxe Edition		2015	Playroom Entertainment	Unspeakable Words
An Unspoken Agreement	Support (R)	Eldritch Edition		2005	Fantasy Flight Games	Call of Cthulhu CCG
The Unspoken Silence	Oct 2015	shoggoth.net			Self Published	Call of Cthulhu (Invictus)
Unstable Energies	Support (U)	Masks of Nyarlathotep		2005	Fantasy Flight Games	Call of Cthulhu CCG
Unstoppable Hound	Character (C)	Unspeakable Tales		2004	Fantasy Flight Games	Call of Cthulhu CCG
The Unsung Saga	13-34	The Ravenar Sagas	CHA0348	2008	Chaosium	Call of Cthulhu (Dark Ages)	Norway
Untimely Burial	Event (F)	Terror in Venice	CT61	2013	Fantasy Flight Games	Call of Cthulhu LCG
Unusual Card Combinations for Mythos		Chaosium Digest	v28n05	Jun 1999	Chaosium	Mythos
Unusual Locations	B:38-51	Cthulhu Britannica: London Box Set	CB7354	2014	Cubicle 7	Call of Cthulhu (Classic)
Up Against the Wall, Suckers!	54, 56-57	Shadis	19.5	Jun 1995	Alderac Entertainment Group	None
Up for Grabs	Support (U)	Masks of Nyarlathotep		2005	Fantasy Flight Games	Call of Cthulhu CCG
Up Jumped the Reaper	85-90	Fear's Sharp Little Needles	3005	2018	Stygian Fox	Call of Cthulhu (Now)	North Carolina
Updated Investigators for The Lightless�Beacon	Apr 2023	craigpay.com			Self Published	Call of Cthulhu (Classic)
Updated Personnel	14-19	God Game Black	CB71207	2013	Cubicle 7	Call of Cthulhu (Laundry)
Upgraded Ritual and Doom Tracks		Upgraded Ritual and Doom Tracks	CW-U11	2017	Petersen Games	Cthulhu Wars
The Upper House	172-191	Tatters of the King	CHA23104	2006	Chaosium	Call of Cthulhu (Classic)	Nepal; February; 1930
The Upper House		Chaosium Digest	v35n11	Mar 2002	Chaosium	Call of Cthulhu (Classic)	Nepal; 1928
Urayuli	Jan 2022	shoggoth.net			Self Published	Call of Cthulhu (Classic)
Urban Decay	46-47	Stark, Raving Mad!		1991	Pagan Publishing	Call of Cthulhu (Now)
Urban Exploration	2020	The Fairfield Project			Self Published	Call of Cthulhu (Delta Green)	Massachusetts
Urban Renewal	Event (U)	Forgotten Cities		2005	Fantasy Flight Games	Call of Cthulhu CCG
Urban Trailblazer	Character (F)	Terror in Venice	CT61	2013	Fantasy Flight Games	Call of Cthulhu LCG
The Urge to Purge	12	The Unspeakable Oath	13	Jan 1996	Pagan Publishing	Call of Cthulhu (Now)
Uroborus	Character (F)	Written and Bound	CT53	2012	Fantasy Flight Games	Call of Cthulhu LCG
Ursinus' Animal Show	74-83	The Gods Hate Me	CHA0402	2011	Chaosium	Call of Cthulhu (Invictus)	England; April
Urumi	Support (F)	The Unspeakable Pages	CT57	2012	Fantasy Flight Games	Call of Cthulhu LCG
US Archaeological Society	Character (F)	The Sleeper Below	CT63	2014	Fantasy Flight Games	Call of Cthulhu LCG
US Handguns for Call of Cthulhu and Gaslight	7-16	The Unspeakable Oath	3	Aug 1991	Pagan Publishing	Call of Cthulhu (Classic), Call of Cthulhu (Gaslight)
The US Intelligence Community in the 1970s	9-24	World War Cthulhu: Cold War - Our American Cousins	CB71973	2017	Cubicle 7	Call of Cthulhu (Cold War)
Using Children as Investigators		Chaosium Digest	v03n06	Aug 1993	Chaosium	Call of Cthulhu (Classic)
Using Cthulhu Mythos Knowledge		Chaosium Digest	v31n09	Jun 2000	Chaosium	Call of Cthulhu (Classic)
Using Customized Newspaper Articles	29-31	The Masks of Nyarlathotep Companion (Unlimited)	60-MONC-03 (?)	2016	Sixtystone Press	Call of Cthulhu (Classic)
Using Customized Newspaper Articles	32-35	The Masks of Nyarlathotep Companion (Limited)	60-MONC-08	2016	Sixtystone Press	Call of Cthulhu (Classic)
Using Dreams in RPGs	46-47	Serendipity's Circle	8	Sum 1996	Self Published	None
Using Folk Magic in Call of Cthulhu Games	22-27	Cthulhu Britannica: Folklore	CB7351	2012	Cubicle 7	Call of Cthulhu (Classic)
Using Folklore in Call of Cthulhu Games	14-20	Cthulhu Britannica: Folklore	CB7351	2012	Cubicle 7	Call of Cthulhu (Classic)
Using Jackson Elias	54-57	The Masks of Nyarlathotep Companion (Unlimited)	60-MONC-03 (?)	2016	Sixtystone Press	Call of Cthulhu (Classic)
Using Jackson Elias	62-66	The Masks of Nyarlathotep Companion (Limited)	60-MONC-08	2016	Sixtystone Press	Call of Cthulhu (Classic)
Using Music	28-29	Cryptych	8	Oct 1994	ILM International	Call of Cthulhu (Classic)
Using Qi	9-11	The Dark Times	2	Jan 2018	Self Published	Call of Cthulhu (Classic)
Using the Deplhine Society	6	She Who Rules the Sea	WitDBS1	2020	Saturday Morning Scenarios	Whispers in the Dark
Using Thermal Imagers in RPGs	41-46	Protodimension	8	Spr 2011	Kinstaff Media	Dark Conspiracy, Call of Cthulhu (Now)
The Usual Suspects	Conspiracy (F)	For the Greater Good	CT64	2015	Fantasy Flight Games	Call of Cthulhu LCG
The Usual Suspects	10-11	Bits and Pieces		Nov 2022	Chaosium	Call of Cthulhu (Classic)	Sweden; 1920s
The Usurpers		The Usurpers		Jul 2024	Chaosium	Cthulhu Eternal	Arkham
USX Modern Day Heroes: Cthulhu Monsters		USX Modern Day Heroes: Cthulhu Monsters		2008	RAFM	USX Modern Day Heroes
Utilities	53-73	Cthulhu Dark Ages	CHA2398	2004	Chaosium	Call of Cthulhu (Dark Ages)