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Publications - O

PublicationCodeDatePublisherSystem (Setting)
PDF O Brave New World 2014 Self PublishedLamentations of the Flame Princess
PDF Obelisk: The Howling 2011 Self PublishedRisus
PDF Objective Zebra 2011 Bully Pulpit GamesFiasco Classic
Boardgame The Obligatory Cthulhu SetAEG 5503 2013 Alderac Entertainment GroupSmash Up
Softback Observer EffectAPU8109 2017 Arc Dream PublishingDelta Green
Website Occult Odds and Endsn/aSelf PublishedCall of Cthulhu (Classic)
Boardgame Octomaid Promo CardJun 2016 Steve Jackson GamesMunchkin
Softback Of Keys and GatesPAG2101 1995 Pagan PublishingCall of Cthulhu (Classic)
PDF Of Sound Mind and Body 2001 Self PublishedCall of Cthulhu (Gaslight)
PDF Of Wrath and Blood *Apr 2019 ChaosiumCall of Cthulhu (Classic)
PDF Old Blood 1996 Self PublishedCall of Cthulhu (Now)
Softback The Old Man of Damascus *SKP0701 2007 Skirmisher PublishingCall of Cthulhu (Classic)
PDF Old Man TompkinsJun 2019 ChaosiumCall of Cthulhu (Classic)
Boardgame Old One 2020 Grimlord GamesThe Everrain
PDF Old Ones 2016 Epic Level NPCPathfinder
Magazine Old Ones Rising * 2017 Arc Dream Publishing
PDF The Oldskull NecronomiconLOV1 2017 Wonderland ImprintsAdvanced Dungeons and Dragons
Boardgame Oliver Grayson * 2011 Fantasy Flight GamesArkham Horror
Boardgame Omega Master RulebookCW-E12 2017 Petersen GamesCthulhu Wars
Boardgame Omens of IceSL17 2016 Fantasy Flight GamesElder Sign
Boardgame Omens of the DeepSL19 2017 Fantasy Flight GamesElder Sign
Boardgame Omens of the PharaohSL20 2018 Fantasy Flight GamesElder Sign
Fanzine Omniverse1 1984 QuartzlordsCall of Cthulhu (Classic)
PDF On a Wing and a Wave 2011 Drakat GamesCall of Cthulhu (Classic)
PDF On the Banks of the Ohio 2019 ChaosiumCall of Cthulhu (Classic)
PDF On the Fringes 2013 Reality Blurstremulus
PDF The Once and Future King 1999 Self PublishedCall of Cthulhu (Classic)
Fanzine Once in a Lifetime1 1986 Self PublishedCall of Cthulhu (Classic)
Softback Once MenCHA0356 2008 ChaosiumCall of Cthulhu (Once Men)
Softback One for the MoneyPELGOC04D 2017 Pelgrane PressGumshoe (Cthulhu Confidential)
PDF One Friday NightAug 2020 ChaosiumCall of Cthulhu (Now)
PDF One Less GraveNov 2020 ChaosiumCall of Cthulhu (Classic)
PDF One of Us 2008 Self PublishedCall of Cthulhu (Classic)
Boardgame One of Us Becomes and Evil God! 2017 AHCOne of Us Becomes and Evil God!
PDF One Page Sanity LossApr 2020 ChaosiumCall of Cthulhu (Classic)
Softback One Starry Night 2018 Skirmisher PublishingCall of Cthulhu (Classic)
eZine One Thousand and One Nights and One Night26Mar 2008 Self PublishedCall of Cthulhu (Classic) , Call of Cthulhu (WWI)
eZine One Thousand and One Nights and One Night32Jun 2008 Self PublishedCall of Cthulhu (WWI)
PDF An Oneiric Resistance 2016 Xipe Totec Press
Boardgame Onslaught 3 Stretch Goal BoxCW-E20 2019 Petersen GamesCthulhu Wars
Boardgame Opener of the WayCW-F1 2015 Petersen GamesCthulhu Wars
PDF Operation DUSTBOWL 2017 Self PublishedCall of Cthulhu (Delta Green)
PDF Operation FoxgloveAug 2021 ChaosiumCall of Cthulhu (WWII)
PDF Operation HopeMar 2020 ChaosiumCall of Cthulhu (Strange Aeons: The Reaping)
PDF Operation VanguardMUH052302 2021 Modiphius Entertainment
eZine Opifex Bimonthly1 1996 Self PublishedCall of Cthulhu (Classic) , Call of Cthulhu (Now)
eZine Opifex Bimonthly2 1996 Self PublishedCall of Cthulhu (Classic)
eZine Opifex Bimonthly3 1996 Self PublishedCall of Cthulhu (Now)
eZine Opifex Bimonthly4 1996 Self PublishedCall of Cthulhu (Now)
eZine Opifex Bimonthly5 1996 Self PublishedCall of Cthulhu (Now)
eZine Opifex Bimonthly6Mar 1997 Self PublishedCall of Cthulhu (Now)
eZine Opifex Bimonthly7May 1997 Self PublishedCall of Cthulhu (Classic) , Call of Cthulhu (Now)
eZine Opifex Bimonthly8Jul 1997 Self PublishedCall of Cthulhu (Classic) , Call of Cthulhu (Now)
eZine Opifex Bimonthly9Sep 1997 Self PublishedCall of Cthulhu (Classic)
eZine Opifex Bimonthly11Jan 1998 Self PublishedCall of Cthulhu (Classic) , Call of Cthulhu (Now)
eZine Opifex Bimonthly12Mar 1998 Self PublishedCall of Cthulhu (Classic) , Call of Cthulhu (Now)
eZine Opifex Bimonthly13May 1998 Self PublishedCall of Cthulhu (Now)
eZine Opifex Bimonthly14Jul 1998 Self PublishedCall of Cthulhu (Now)
eZine Opifex Bimonthly15Sep 1998 Self PublishedCall of Cthulhu (Now)
eZine Opifex Bimonthly16Nov 1998 Self PublishedCall of Cthulhu (Classic) , Call of Cthulhu (Delta Green) , Call of Cthulhu (Now)
eZine Opifex Bimonthly17Jan 1999 Self PublishedCall of Cthulhu (Now)
eZine Opifex Bimonthly18Mar 1999 Self PublishedCall of Cthulhu (Classic)
eZine Opifex Bimonthly19May 1999 Self PublishedCall of Cthulhu (Classic) , Call of Cthulhu (Now)
eZine Opifex Bimonthly20Jul 1999 Self PublishedCall of Cthulhu (Classic)
eZine Opifex Bimonthly21Sep 1999 Self PublishedCall of Cthulhu (Classic)
eZine Opifex Bimonthly22Nov 1999 Self PublishedCall of Cthulhu (Gaslight) , Call of Cthulhu (Now)
eZine Opifex Bimonthly23Jan 2000 Self PublishedCall of Cthulhu (Now)
eZine Opifex Bimonthly24Mar 2000 Self PublishedCall of Cthulhu (Now)
Cards The Order of the Silver TwilightCT33 2010 Fantasy Flight GamesCall of Cthulhu LCG
PDF Orient Express TicketsSep 2018 ChaosiumCall of Cthulhu (Classic)
PDF Orphan School Horrorcr3005i 2017 Cthulhu RebornCall of Cthulhu (Convicts)
PDF The OrphanageDec 2019 ChaosiumCall of Cthulhu (Classic)
PDF The Other Side 2012 Fainting Goat GamesICONS
PDF The Other Side of the MirrorSG-MT4 2012 Spectrum GamesMacabre Tales
Softback Our Ladies of SorrowMRP0005 2009 Miskatonic River PressCall of Cthulhu (Now)
Softback Out of SpacePELGT30 2013 Pelgrane PressTrail of Cthulhu
PDF Out of the Depths 1992 Self PublishedCall of Cthulhu (Now)
PDF Out of the PastMay 2019 ChaosiumCall of Cthulhu (Classic)
Softback Out of the VaultPAG1009 2002 Pagan PublishingCall of Cthulhu (Classic)
Softback Out of the WoodsPELGT43 2017 Pelgrane PressTrail of Cthulhu
Softback Out of TimePELGT22 2011 Pelgrane PressTrail of Cthulhu
Softback The Outer Presence 2015 Kort'thalis PublishingThe Outer Presence
PDF The Outpost of the Outer OnesYS1 2015 Self PublishedAdvanced Dungeons and Dragons
PDF Overkill: Investigator Weapons Volume 2.1 *60-IHB02.1-P 2020 Sixtystone PressCall of Cthulhu (Now)
Novelty Oversized 3-5 Player Earth MapCW-M13 2018 Petersen GamesCthulhu Wars
PDF The Oxford ArticlesAug 2021 ChaosiumCall of Cthulhu (Strange Aeons: 1953)