| Title | Code | Date | Publisher | System (Setting) |
|---|
 Fabula Rasa | | 2014 | MAGE Company | Machina Arcana |
 Faint Hymns to the Cold Fruitless Moon | | 2013 | Self Published | Call of Cthulhu (Classic) |
| Fair Porcine Prize | | Feb 2024 | Chaosium | Call of Cthulhu (Dark Ages) |
 The Fairfield Project | | | Self Published | Call of Cthulhu (Delta Green) |
| Fairyland | | 2012 | Self Published | Cthulhu Dark |
| Falcon Point Poster Maps | | 2015 | Lore Wise Games | Call of Cthulhu (Classic) |
 The Fall of Delta Green | | 2018 | Pelgrane Press | The Fall of Delta Green |
| The Fall of Guthlac Abbey | | 2006 | Self Published | Call of Cthulhu (Dark Ages) |
| Fallen Stars | cr3005l | 2018 | Cthulhu Reborn | Call of Cthulhu (Convicts) |
 The Familiar | 4 | Jun 1995 | Self Published | Call of Cthulhu (Classic) |
| The Familiar | 5 | Aug 1995 | Self Published | Call of Cthulhu (Gaslight) |
| Family Reunion | | 2022 | Petersen Games | Cthulhu Wars (Duel) |
| Fanhunter, The Mountains of Madness, Electric Boogaloo | | 2013 | Edigrafica Games | Fanhunter |
| Fantastic Light Display | | Oct 2023 | Chaosium | Call of Cthulhu (Classic) |
| Fantasy Chronicles | 1 | Jul 1985 | Fantastic Publications | Call of Cthulhu (Now) |
| Fantasy Chronicles | 5 | Nov 1986 | Fantastic Publications | Call of Cthulhu (Classic) |
| Fantasy Cthulhu | | 2015 | Starbright Illustrations | Fate of Cthulhu |
| Fantasy Gamer | 2 | Oct 1983 | Steve Jackson Games | Call of Cthulhu (Gaslight) |
| Fantasy Gamer | 3 | Dec 1983 | Steve Jackson Games | Call of Cthulhu (Classic) |
| Fantasy Gamer | 4 | Feb 1984 | Steve Jackson Games | Call of Cthulhu (Classic) |
| FAQ: Mythos | | | Self Published | Mythos |
| Farewell, My Sanity | CHA0346 | 2007 | Chaosium | Call of Cthulhu (Classic) |
| Fargo 1884 | | Sep 2024 | Chaosium | Call of Cthulhu (Darker Trails) |
| The Farm | | Sep 2024 | Chaosium | Call of Cthulhu (Classic) |
| Fast and Fhtagn | AG1261 | 2016 | Atlas Games | Fast and Fhtagn |
| Fatal Experiments | CHA2328 | 1990 | Chaosium | Call of Cthulhu (Classic) |
| The Fate Guides to the Secret War * | MUH01041BF | 2014 | Modiphius Entertainment | [None Listed] |
| Fate Investigator's Guide to the Secret War | MPS01031F | 2014 | Modiphius Entertainment | [None Listed] |
| Fate Keeper's Guide to the Secret War | MPS01032F | 2014 | Modiphius Entertainment | [None Listed] |
 Fate of Cthulhu | EHP0047 | 2019 | Evil Hat Productions | Fate of Cthulhu |
| Fate of the Elder Gods | | 2017 | Greater Than Games | Fate of the Elder Gods |
 Fate of the Elder Gods Playmat | | 2017 | Greater Than Games | Fate of the Elder Gods |
| Father Dagon Mystery Deck | | 2022 | Self Published | The Heart of Cthulhu |
| A Father's Pride * | | 2003 | Self Published | Call of Cthulhu (Now) |
| Fathoms Below | | Aug 2024 | Cthulhu Reborn | Cthulhu Eternal |
| Fear Jet | | Oct 2024 | Chaosium | Call of Cthulhu (Strange Aeons) [1970s] |
| Fear of the Dark | | 2021 | Self Published | Fear of the Dark |
| Fear of the Unknown | JCG022 | 2018 | Just Crunch Games | The Cthulhu Hack |
| Fear of the Unknown | | 2023 | CMON Limited | Cthulhu: Death May Die (Fear of the Unknown) |
| Fear's Sharp Little Needles | 3005 | 2018 | Stygian Fox | Call of Cthulhu (Classic) |
| Fearful Passages | CHA2335 | 1992 | Chaosium | Call of Cthulhu (Classic) |
| Fearful Symmetries | PELGT45 | 2021 | Pelgrane Press | Trail of Cthulhu |
| The Fearsome Deities | | 2023 | Self Published | The Fearsome Deities |
| The Feast of Black Annis | | 2005 | Self Published | Buffy the Vampire Slayer, Angel Role-playing Game |
| The Feast of Black Annis | TLG76123 | 2017 | Troll Lord Games | Amazing Adventures |
| The Feast of Hemlock Vale: Campaign Expansion | AHC77 | 2024 | Fantasy Flight Games | Arkham Horror: The Card Game |
| The Feast of Hemlock Vale: Investigator Expansion | AHC76 | 2024 | Fantasy Flight Games | Arkham Horror: The Card Game |
| Feast of Odoacer | | Aug 2019 | Self Published | Call of Cthulhu (Invictus), GURPS (Horror) |
| Feed the Shoggoth! | | 2015 | Squamous Studios | Feed the Shoggoth! |
| Feeders from Within * | EAH07 | 2013 | Fantasy Flight Games | Arkham Horror |
| The Fellowship of the Witching Hour | CHA0328 | 2006 | Chaosium | Call of Cthulhu (Classic) |
 Fenix | 2016.6 | 2016 | Askfagein | Call of Cthulhu (Darker Trails) |
| Fenix | 2017.1 | 2017 | Askfagein | Call of Cthulhu (Classic) |
| The Festering Locusts of Fenmore | | Jun 2021 | Self Published | Call of Cthulhu (Darker Trails), GURPS (Horror) |
| Festival at Red Hook | STD0302E | 2021 | Studio 101 | Kadath |
| Festival of Terror | | Jul 2024 | Chaosium | Call of Cthulhu (Now) |
| Fever: Death Toll | | Jul 2019 | Chaosium | Call of Cthulhu (Darker Trails) |
| Fiasco '11 * | BPG021 | 2015 | Bully Pulpit Games | Fiasco Classic |
| Fictional Reality | 8 | Jun 2002 | Self Published | Call of Cthulhu (Classic) |
| Fictional Reality | 9 | Sep 2002 | Self Published | Call of Cthulhu (Classic) |
| Fictional Reality | 12 | Jun 2003 | Self Published | Call of Cthulhu (Classic) |
| Fictional Reality | 18 | Dec 2004 | Self Published | Call of Cthulhu (Dark Ages), Call of Cthulhu (Now) |
| Field of Screams | | Nov 2021 | Chaosium | Call of Cthulhu (Classic) |
| Fiends | | 2016 | Epic Level NPC | Pathfinder |
 The Fiery Cross | 3 | 1985 | Self Published | Call of Cthulhu (Classic) |
| The Fifth Engel | | 2011 | Self Published | CthulhuTech |
| Fight or Flight Promos * | | 2021 | CMON Limited | Cthulhu: Death May Die |
| File 173 OID | | 2023 | Key Enigma | Circus of Mhodryak |
| The Final Chapter (Part One) | | 1990 | Blacksburg Tactical Research Center | Macho Women With Guns |
| Final Flight | PAG1011 | 2008 | Pagan Publishing | Call of Cthulhu (Classic) |
| The Final Revelation | PELGT33 | 2013 | Pelgrane Press | Trail of Cthulhu |
| The Final Voyage of Draengr Thar | | Jun 2022 | Self Published | Dungeons and Dragons, Call of Cthulhu (Strange Aeons) [Viking], GURPS |
| Finger Biter | | 1998 | Self Published | Call of Cthulhu (Classic) |
| Finger Biter * | | Jun 2019 | Chaosium | Call of Cthulhu (Classic) |
| Fire from the Sky | SP1007 | 2011 | Stardust Publications | Dark Aeons |
| First Book of Things | CHA0307 | 2004 | Chaosium | Call of Cthulhu (Classic) |
| First Contact | | 2002 | Self Published | Call of Cthulhu (End Time) |
| The First Session | | 2011 | Self Published | CthulhuTech |
| First Strike | 4 | 1987 | Self Published | Call of Cthulhu (Classic) |
| Fish Fuckers | LFP0050 | 2018 | Lamentations of the Flame Princess | Lamentations of the Flame Princess |
| Fish in a Barrel | | Feb 2021 | Chaosium | Call of Cthulhu (Classic) |
| A Fishy Business | | Aug 2022 | Chaosium | Call of Cthulhu (Classic) |
| A Fistful of Dholes | RDG021 | 2017 | Ravendesk Games | Savage Worlds |
| Five Faces of Fear | | Jul 2019 | Chaosium | Call of Cthulhu (Now), Call of Cthulhu (Classic), Call of Cthulhu (Strange Aeons) [Napoleonic], Call of Cthulhu (Gaslight) |
| Five Go Mad in Egypt | CHA0381 | 2009 | Chaosium | Call of Cthulhu (Classic) |
| Five Points | MYL30301 | 2016 | Mystic Throne Entertainment | Dark Streets |
| The Flame From Space | TCH002 | 2019 | Matakishi's Tea House | The Cthulhu Hack |
| A Flaw in the Lens | | Aug 2022 | Self Published | Call of Cthulhu (Strange Aeons) [1970s], GURPS (Horror) |
| Flesh For Eihort | | 2005 | Unbound Publishing | Call of Cthulhu (Now) |
| Flesh for Yog-Sothoth | | Mar 2024 | Chaosium | Cthulhu Eternal |
| Flesh Wounds | | Nov 2022 | Chaosium | Call of Cthulhu (Classic) |
| Flexible Thinkers | | 2013 | Reality Blurs | tremulus |
| Flint, Blood, Bone | | 2020 | Tales By Bob | Flint, Blood, Bone |
| The Flood | | Feb 2023 | Chaosium | Call of Cthulhu (Classic) |
| The Flooding of Black Tarn * | | Jul 2022 | Chaosium | Call of Cthulhu (Classic) |
| Flotsam and Jetsam: Introduction | | 2019 | Chaosium | Call of Cthulhu (Classic) |
| Flotsam and Jetsam: Introduction and the Star Brothers | | 2019 | Chaosium | Call of Cthulhu (Classic) |
| Flute of the Gods | | Aug 2021 | Type40 | Call of Cthulhu (Classic) |
| Flying Coffins | PELGT27 | 2012 | Pelgrane Press | Trail of Cthulhu |
| Fogbound | | May 2020 | Isolation Games | Call of Cthulhu (Now) |
| Folded Space | | Mar 2022 | Chaosium | Call of Cthulhu (Classic) |
| The Folly of Ponsonby-Wild | | Jan 2021 | Chaosium | Call of Cthulhu (Classic) |
| Food of the Gods | | 2020 | Moth-Lands | Cthulhu Deep Green |
| Food Service | | Dec 2021 | Chaosium | Call of Cthulhu (Now) |
| For King and Country | | Sep 2024 | Chaosium | Call of Cthulhu (Now) |
| For One Night Only | | Jul 2019 | Chaosium | Call of Cthulhu (Classic) |
 For the Greater Good | CT64 | 2015 | Fantasy Flight Games | Call of Cthulhu LCG |
| For the Greater Good * | AHC32 | 2019 | Fantasy Flight Games | Arkham Horror: The Card Game |
| For the Love Of? | | Oct 2017 | Chaosium | Call of Cthulhu (Classic) |
| For Whom the Bell Tills No More | | Sep 2024 | Chaosium | Call of Cthulhu (Classic) |
| Forbidden Alchemy | MAD06 | 2011 | Fantasy Flight Games | Mansions of Madness |
| The Forbidden Beat | | Dec 2020 | Chaosium | Call of Cthulhu (Now) |
| Forbidden Knowledge | 18175E | 2019 | Pegasus Spiele | UNDO |
| Forbidden Relics | | 2004 | Fantasy Flight Games | Call of Cthulhu CCG |
| Forbidden Seas and Perilous Coasts | | May 2023 | Chaosium | Call of Cthulhu (Regency) |
| Foreign Body | | Nov 2021 | Arjade Productions | Call of Cthulhu (Classic) |
| Foreign Policy * | | 1994 | RPGA Network | Call of Cthulhu (Now) |
| The Forest | | Apr 2023 | Chaosium | Call of Cthulhu (Now) |
| The Forest Altar | | May 2024 | Xapur RPG | Call of Cthulhu (Classic) |
| Forest of Fear | MUH052305 | 2022 | Modiphius Entertainment | Achtung! Cthulhu |
| Forgotten | | Jun 2021 | Chaosium | Call of Cthulhu (Classic) |
| The Forgotten Age * | AHC19 | 2018 | Fantasy Flight Games | Arkham Horror: The Card Game |
| Forgotten Cities | | 2005 | Fantasy Flight Games | Call of Cthulhu CCG |
| Forgotten Duty | JCG037 | 2020 | Just Crunch Games | The Cthulhu Hack |
| Forgotten Symphony | | Mar 2022 | Chaosium | Call of Cthulhu (Classic) |
| Fork in the Road | | Sep 2022 | Chaosium | Call of Cthulhu (Classic) |
| Forsaken Lore | EH02 | 2014 | Fantasy Flight Games | Eldritch Horror |
| A Fossil | | Jan 2020 | Self Published | Call of Cthulhu (Classic) |
| The Foulness Island Vanishings | FXC-08 | 2020 | Stygian Fox | Call of Cthulhu (WWII) |
| Four Against the Great Old Ones | | 2020 | Ganesha Games | Four Against Darkness |
| Four Letters At Random | | | Self Published | Call of Cthulhu (Classic), Call of Cthulhu (Now) |
 Four Shadows * | PELGT05 | 2008 | Pelgrane Press | Trail of Cthulhu |
| Four-Bit Characters Volume 1 | | Aug 2021 | Chaosium | Call of Cthulhu (Gaslight), Call of Cthulhu (Classic) |
| Fragile Minds | CFT20205 | 2007 | Crafty Games | Spycraft |
| Fragmented Sanity | FS01 | 2007 | Self Published | Call of Cthulhu (Rising) |
| Fragments of Fear | CHA2310 | 1985 | Chaosium | Call of Cthulhu (Classic) |
| Fram R'lyeh | | 2015 | minimalGames | Fram R'lyeh |
| Free Your Mind | | 2008 | Self Published | Call of Cthulhu (Strange Aeons) [1960s] |
| A FRIEND - Horror - Cthulhu | | Oct 2020 | Chaosium | Call of Cthulhu (Atomic) |
| Friends of Dorothy | | Sep 2024 | Chaosium | Call of Cthulhu (Now) |
| The Friends of Mickey Finn | | Mar 2022 | Chaosium | Call of Cthulhu (Classic) |
| Frigid Fathoms | | 2023 | World of Game Design | None |
| The Frogs of Loveland | | Jul 2022 | Chaosium | Call of Cthulhu (Classic) |
| From Beyond | | 2019 | Adreama Games | Machina Arcana |
| From Beyond | | Nov 2023 | Chaosium | Call of Cthulhu (Classic) |
| From the Abyss | UNF02 | 2024 | Fantasy Flight Games | Unfathomable |
| From the Dust | APU8164 | 2022 | Arc Dream Publishing | Delta Green |
| From the Tideless Sea | | Feb 2023 | Cipher Bureau | Raiders of R'lyeh |
| From Unformed Realms | JCG009 | 2016 | Just Crunch Games | The Cthulhu Hack |
| A Front | | 2011 | Self Published | CthulhuTech |
| Fronti Nulla Fides | GGP1907 | 2019 | Golden Goblin Press | Call of Cthulhu (Classic) |
| Frontier Cthulhu * | CHA6041 | 2007 | Chaosium | Call of Cthulhu (Darker Trails) |
| Frozen Assets | | 2004 | Self Published | Call of Cthulhu (Rising) |
| Frozen City of Terror | EGS1100_2 | 2011 | Exile Games Studio | Hollow Earth Expedition |
| The Frozen Wasteland | | 2014 | Reality Blurs | tremulus |
| Fruit from the Dust | | May 2024 | Chaosium | Call of Cthulhu (Classic) |
| Full Fathom Five | PF002 | Aug 2021 | Paul Fricker Publication | Call of Cthulhu (Gaslight) |
| Full set of Cthulhu dollars | | Jan 2021 | Chaosium | Call of Cthulhu (Classic) |
| The Funeral | | Dec 2022 | Chaosium | Call of Cthulhu (Classic) |
| The Fungi From Yuggoth | CHA2305 | 1984 | Chaosium | Call of Cthulhu (Classic) |
| Fungi Mine | SG0038 | 2015 | Solace Games | Horrors in the Night |
| Fungus | | 1997 | Self Published | Call of Cthulhu (Now) |
| Further Tales of Cthulhu Invictus * | GGP | | Golden Goblin Press | None |
| Future Echoes | | Oct 2019 | Chaosium | Call of Cthulhu (Classic) |
| Future/Perfect, Part 1 | | 2017 | Arc Dream Publishing | Delta Green |
| Future/Perfect, Part 2 | | 2018 | Arc Dream Publishing | Delta Green |
| Future/Perfect, Part 3 | | 2019 | Arc Dream Publishing | Delta Green |
| Future/Perfect, Part 4 | | 2019 | Arc Dream Publishing | Delta Green |
| The Future?s Shadow | | Mar 2021 | Chaosium | Call of Cthulhu (Classic) |