Publications (2) 
| Title | Code | Date | Publisher | System (Setting) |
|---|---|---|---|---|
 Blood Brothers | CHA2329 | 1990 | Chaosium | Call of Cthulhu (Classic) |
 New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos |
Articles (207)
| Title | Pages | Publication | Code | Date | Publisher | System (Setting) | |
|---|---|---|---|---|---|---|---|
 747 | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Acid Rain | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Alex Cordry | Ally (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Alien Abduction | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Anti-Gravity Harness | Artifact (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Area 51 | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Artist Colony | Location (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Ashes, Ashes, Azathoth | Adventure (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Azathoth | Monster (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Azathoth And Others | Tome (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| B-Movie Script | Tome (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Bank Vault | Artifact (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Bibliophobia | Event (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Billington's Woods | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Black Belt | Artifact (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Blackout | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Bless | Spell (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Blink of an Eye | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Brother of the Yellow Sign | Ally (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Bulletproof Vest | Artifact (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Call the Unnamed One | Spell (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Camp Bright Star | Adventure (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Carlyle House Museum | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Chainsaw | Artifact (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Chakota Beast | Monster (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Chaosium | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Chronoportation | Spell (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Chrysler Building | Location (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Cité Tatoue | Location (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Cloning Chamber | Artifact (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Colosseum | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Colour Out of Space | Monster (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Create Stasis | Spell (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Crop Circles | Event (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Cthulhu For President | Event (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Cthulhu Statuette | Artifact (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
 Cthulhu vs Stormbringer |  Chaosium Digest | v03n06 | Aug 1993 | Chaosium | Call of Cthulhu (Classic) | ||
| Cykranosh | Location (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Dark Horse | Adventure (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Darkness of the Void | Spell (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Dawn Biozyme Research Lab | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Day the Sun Stood Still | Adventure (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Daybreak | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| DBZ Spacelab | Location (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Deliverance | Adventure (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Delta Green, Alpha Squad | Ally (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Diabolical Cultist/Obsequious Televangelist | Investigator (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Different Worlds | Adventure (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Dimensional Shambler | Monster (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Disturbing Portrait | Artifact (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Dr. Carl Jung | Ally (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Dr. Carlos MacDonald | Ally (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Dr. MacDonald's House | Location (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Ebola Virus | Event (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Eiffel Tower | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Emergency Medical Equipment | Artifact (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Enthrall Victims | Spell (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| European Space Agency | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Evoke Doppleganger | Spell (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Exorcism | Spell (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| False Dawn | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| First National Grocery | Location (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Fish-Head Rock | Location (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Flesh Ward | Spell (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Fractal Creatures | Monster (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Fragmentation Grenade | Artifact (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Frivolous Lawsuit | Event (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| G.G. D'Arn | Ally (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Gilman House Hotel | Location (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Giovanni Angellis | Ally (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Giulio Cesare Hotel | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Going Postal | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Government Quarantine | Event (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Grasp Of Cthulhu | Spell (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Greenwich Village | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Greys | Monster (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Halitosiphobia | Event (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Harbor Place Hotel | Location (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Haz-Mat Team | Ally (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Helicopter | Event (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Henri Zann | Ally (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| High Priest of Elvis | Ally (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Hitch A Ride | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Hitman from Medellin | Event (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Hound of Tindalos | Monster (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Howard Lovecraft | Ally (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Hydrophilia | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Ill Omen | Event (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Insidious Ululation of the Invisible Supplicants | Spell (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| The Internet | Tome (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| INTERPOL Italian Headquarters | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| IRS Auditor | Event (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Its Full Of Stars! | Event (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| J. Edgar Hoover Building | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Joe Schienfeld | Ally (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Johnny Booger | Ally (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Ju-Ju House | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Kennedy Space Center | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Laptop Computer | Artifact (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Larva of the Other Gods, First Stage | Monster (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Larva of the Other Gods, Second Stage | Monster (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Lascaux Caves | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Lefferts Corners | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Look to the Future | Adventure (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Louvre | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Lovecraft's Grave | Location (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| M16 Assault Rifle | Artifact (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Maison Nationale De Santé | Location (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Make Them Pay! | Adventure (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| The Mall | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Maple Hill | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Massa Di Requiem Per Shuggay | Tome (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| McCarty's News Stand | Location (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Mechanophobia | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Media Hyperbole | Event (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Men in Black | Monster (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Mental Suggestion | Spell (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Mi-Go | Monster (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Monatomic Translocation | Spell (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Motion Sickness | Event (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Mr. Shiny's Burger Palace | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Mugging | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Museo del Palazzo Venezia | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Napoleon Whateley | Ally (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Nemesis | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Night at the Opera | Adventure (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Nikola Tesla | Ally (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Notre Dame | Location (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Nuclear Winter | Event (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
 Oath of Blood | 15-24 | Blood Brothers | CHA2329 | 1990 | Chaosium | Call of Cthulhu (Classic) | New York; 1929; Vampire |
| Obed Marsh Memorial | Location (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Obsessed Federal Agent/Obsessed Agent in a Mi-Go Braincase | Investigator (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| One Small Step | Adventure (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Operation Nemesis | Adventure (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Out Of My Mind | Adventure (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Outbreak | Adventure (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Ozzy Orne | Ally (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Pallid Programmer/Deep-One Hybrid | Investigator (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Patricia Bridgitte Jodoin | Ally (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Pentagon | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Plan 9 | Adventure (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Plastic Explosive | Artifact (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Police Investigation | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Poltergeist | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Porta Portese | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Portophilia | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Professor L.N. Isinwyll | Ally (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Promises, Promises | Adventure (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Prophecies of Nostradamus | Tome (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Radiation Suit | Artifact (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Regalia of the Outer Gods | Artifact (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Reverend Baxter Lully | Ally (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Robert Bloch | Ally (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Rue D'Auseil | Location (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Ruined Top-Secret Warehouse | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Sandy Petersen | Ally (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Second Psychiatric Hospital | Location (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Serial Killer | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Serpent People | Monster (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Servants of the Silver Twilight | Monster (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Shaggai Mental Possession | Spell (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Shariil Sophast | Ally (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Shoggoth Lord | Monster (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Shub-Niggurath | Monster (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Shuttle Icarus | Event (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Sirius | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Skeptical Pathologist/Grinning Ghoul | Investigator (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Smithsonian Institution | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Smugglers Tunnels | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Song of the Stellar Larvae | Spell (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Space Suit | Artifact (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Star Vampire | Monster (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Stealth Fighter | Artifact (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Tactical Nuclear Bomb | Artifact (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Tank | Artifact (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Taser | Artifact (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Television | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Temple to Aesathog | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Temporal Lash | Spell (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Terrorist Strike | Event (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Thaasophobia | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Time Flux | Event (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Time Machine | Artifact (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Today's Tabloid Headlines | Adventure (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Toodee-6 | Ally (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Trigger-Happy Mercenary/Sardonic Serpentman | Investigator (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Tsathoggua | Monster (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Turquoise Skyhawk | Ally (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Tycho Base | Location (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| U.S. Coastguard Station | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| UFO | Event (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| An Unexpected Calamity | Event (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Unexpected Eclipse | Event (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| United Nations | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| The Vatican | Location (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Werewolf | Monster (U) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Whispers Pulp Magazine Collection | Tome (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| With Neighbors Like These? | Adventure (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Wreck of the Hellene | Location (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Yithian Psychic Possession | Event (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Yog Sothoth | Monster (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Yucca Mountain Project | Location (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Yuggoth | Location (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Yuggoth Attacks! | Adventure (R) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Zanthu Tablets | Tome (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Zanthu Tablets: A Conjectural Translation | Tome (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos | |
| Zombies | Monster (C) | New Aeon | CAO1311-1 | 1997 | Chaosium | Mythos |