| Title | Pages | Publication | Code | Date | Publisher | System (Setting) |
|---|
 Adventure Seeds | 265-270 |  Keeper's Guide to the Secret War | MPS01032CS | 2013 | Modiphius Entertainment | Savage Worlds (Achtung!), Call of Cthulhu (Achtung!) | |
 Allies and Nemeses | 244-264 | Keeper's Guide to the Secret War | MPS01032CS | 2013 | Modiphius Entertainment | Call of Cthulhu (Achtung!), Savage Worlds (Achtung!) | |
 Artefacts and Tomes | 184-192 | Keeper's Guide to the Secret War | MPS01032CS | 2013 | Modiphius Entertainment | Savage Worlds (Achtung!), Call of Cthulhu (Achtung!) | |
| The Beloved Dead | 4-17 | The Bride of Halloween Horror | CHA0364 | 2009 | Chaosium | Call of Cthulhu (Strange Aeons) [Chronicles of Future Earth] | Earth |
| Character Concepts | 96-111 | Fate Investigator's Guide to the Secret War | MPS01031F | 2014 | Modiphius Entertainment | Fate | |
| The City of Istanbul | 6-29 | Zero Point, Part 3 - Code of Honour | MUH051257 | 2017 | Modiphius Entertainment | Call of Cthulhu (Achtung!), Savage Worlds (Achtung!) | |
| The City of Istanbul | | Zero Point, Part 3 - Code of Honour | MUH051257SW | 2018 | Modiphius Entertainment | Savage Worlds (Achtung!) | |
| Code of Honour | 58-78 | Zero Point, Part 3 - Code of Honour | MUH051257 | 2017 | Modiphius Entertainment | Savage Worlds (Achtung!), Call of Cthulhu (Achtung!) | Turkey; 1942 |
| Code of Honour | | Zero Point, Part 3 - Code of Honour | MUH051257SW | 2018 | Modiphius Entertainment | Savage Worlds (Achtung!) | Turkey; 1942 |
| Deadly Illusions and Cursed Knowledge | 193-215 | Keeper's Guide to the Secret War | MPS01032CS | 2013 | Modiphius Entertainment | Call of Cthulhu (Achtung!), Savage Worlds (Achtung!) | |
| Factions and Characters | 30-45 | Zero Point, Part 3 - Code of Honour | MUH051257 | 2017 | Modiphius Entertainment | Savage Worlds (Achtung!), Call of Cthulhu (Achtung!) | |
| Factions and Characters | | Zero Point, Part 3 - Code of Honour | MUH051257SW | 2018 | Modiphius Entertainment | Savage Worlds (Achtung!) | |
| From the Shadows | 3-14 | Keeper's Guide to the Secret War | MPS01032CS | 2013 | Modiphius Entertainment | Savage Worlds (Achtung!), Call of Cthulhu (Achtung!) | |
| Getting Your Hands Dirty | 86-95 | Investigator's Guide to the Secret War | MPS01031CS | 2013 | Modiphius Entertainment | Savage Worlds (Achtung!), Call of Cthulhu (Achtung!) | |
| Getting Your Hands Dirty | 63-84 | Fate Investigator's Guide to the Secret War | MPS01031F | 2014 | Modiphius Entertainment | Fate | |
| Heroes of the Sea | 3-39 | Zero Point, Part 2 - Heroes of the Sea | MPS01012C | 2012 | Modiphius Entertainment | Call of Cthulhu (Achtung!) | France; May; 1940 |
| Heroes of the Sea | 3-39 | Zero Point, Part 2 - Heroes of the Sea | MPS01012P | 2014 | Modiphius Entertainment | PDQ | France; 1940; May |
| Heroes of the Sea | 3-39 | Zero Point, Part 2 - Heroes of the Sea | MPS01012S | 2012 | Modiphius Entertainment | Savage Worlds (Achtung!) | France; May; 1940 |
| Heroes of the Sea | 3-39 | Zero Point, Part 2 - Heroes of the Sea | MPS01012T | 2013 | Modiphius Entertainment | Trail of Cthulhu | France; May; 1940 |
| Heroes of the Sea | | Zero Point, Part 2 - Heroes of the Sea | MUH01012CS | 2013 | Modiphius Entertainment | Savage Worlds (Achtung!), Call of Cthulhu (Achtung!) | France; May; 1940 |
| Home, Sweet Home | 21-33 | Investigator's Guide to the Secret War | MPS01031CS | 2013 | Modiphius Entertainment | Call of Cthulhu (Achtung!), Savage Worlds (Achtung!) | |
| Home, Sweet Home | 21-33 | Fate Investigator's Guide to the Secret War | MPS01031F | 2014 | Modiphius Entertainment | Fate | |
| Horrors and Monstrosities | 216-243 | Keeper's Guide to the Secret War | MPS01032CS | 2013 | Modiphius Entertainment | Savage Worlds (Achtung!), Call of Cthulhu (Achtung!) | |
| In the Service of One's Country | 34-47 | Investigator's Guide to the Secret War | MPS01031CS | 2013 | Modiphius Entertainment | Savage Worlds (Achtung!), Call of Cthulhu (Achtung!) | |
| In the Service of One's Country | 34-47 | Fate Investigator's Guide to the Secret War | MPS01031F | 2014 | Modiphius Entertainment | Fate | |
| Inside the Reich | 15-21 | Keeper's Guide to the Secret War | MPS01032CS | 2013 | Modiphius Entertainment | Call of Cthulhu (Achtung!), Savage Worlds (Achtung!) | |
| Into the Fray | 159-170 | Keeper's Guide to the Secret War | MPS01032CS | 2013 | Modiphius Entertainment | Savage Worlds (Achtung!), Call of Cthulhu (Achtung!) | |
| Introduction | 1-5 | Zero Point, Part 3 - Code of Honour | MUH051257 | 2017 | Modiphius Entertainment | Savage Worlds (Achtung!), Call of Cthulhu (Achtung!) | |
| Introduction | | Zero Point, Part 3 - Code of Honour | MUH051257SW | 2018 | Modiphius Entertainment | Savage Worlds (Achtung!) | |
| Keep the Home Fires Burning | 10-20 | Investigator's Guide to the Secret War | MPS01031CS | 2013 | Modiphius Entertainment | Savage Worlds (Achtung!), Call of Cthulhu (Achtung!) | |
| Keep the Home Fires Burning | 10-20 | Fate Investigator's Guide to the Secret War | MPS01031F | 2014 | Modiphius Entertainment | Fate | |
| Might Makes Right? | 22-48 | Keeper's Guide to the Secret War | MPS01032CS | 2013 | Modiphius Entertainment | Savage Worlds (Achtung!), Call of Cthulhu (Achtung!) | |
| Mythos Backgrounds | 112-117 | Fate Investigator's Guide to the Secret War | MPS01031F | 2014 | Modiphius Entertainment | Fate | |
| The Other Secret War | 49-59 | Keeper's Guide to the Secret War | MPS01032CS | 2013 | Modiphius Entertainment | Call of Cthulhu (Achtung!), Savage Worlds (Achtung!) | |
| Our Sample Cast | 120-121 | Fate Investigator's Guide to the Secret War | MPS01031F | 2014 | Modiphius Entertainment | Fate | |
| Planes, Trains, and Things That Go Bang | 111-158 | Keeper's Guide to the Secret War | MPS01032CS | 2013 | Modiphius Entertainment | Call of Cthulhu (Achtung!), Savage Worlds (Achtung!) | |
| Prose Descriptive Qualities System | 3-24 | Zero Point, Part 1 - Three Kings | MPS01011P | 2012 | Modiphius Entertainment | PDQ | |
| Quick Play Guide | 131-133 | Investigator's Guide to the Secret War | MPS01031CS | 2013 | Modiphius Entertainment | Call of Cthulhu (Achtung!), Savage Worlds (Achtung!) | |
| Quick Play Guide | 271-276 | Keeper's Guide to the Secret War | MPS01032CS | 2013 | Modiphius Entertainment | Call of Cthulhu (Achtung!), Savage Worlds (Achtung!) | |
| Quick Play Guide | 118-119 | Fate Investigator's Guide to the Secret War | MPS01031F | 2014 | Modiphius Entertainment | Fate | |
| The Rules of Savage Engagement | 171-183 | Keeper's Guide to the Secret War | MPS01032CS | 2013 | Modiphius Entertainment | Call of Cthulhu (Achtung!), Savage Worlds (Achtung!) | |
| The Savage Practice of War | 96-114 | Investigator's Guide to the Secret War | MPS01031CS | 2013 | Modiphius Entertainment | Call of Cthulhu (Achtung!), Savage Worlds (Achtung!) | |
| Secret and Occult Societies | 60-110 | Keeper's Guide to the Secret War | MPS01032CS | 2013 | Modiphius Entertainment | Savage Worlds (Achtung!), Call of Cthulhu (Achtung!) | |
| Secrets and Spies | 46-57 | Zero Point, Part 3 - Code of Honour | MUH051257 | 2017 | Modiphius Entertainment | Call of Cthulhu (Achtung!), Savage Worlds (Achtung!) | |
| Secrets and Spies | | Zero Point, Part 3 - Code of Honour | MUH051257SW | 2018 | Modiphius Entertainment | Savage Worlds (Achtung!) | |
| Three Kings | 3-23 | Zero Point, Part 1 - Three Kings | MPS01011C | 2012 | Modiphius Entertainment | Call of Cthulhu (Achtung!) | Czech Republic; 1939; Summer |
| Three Kings | 25-45 | Zero Point, Part 1 - Three Kings | MPS01011P | 2012 | Modiphius Entertainment | PDQ | Czech Republic; Summer; 1939 |
| Three Kings | | Zero Point, Part 1 - Three Kings | MUH01011CS | 2013 | Modiphius Entertainment | Call of Cthulhu (Achtung!), Savage Worlds (Achtung!) | |
| Three Kings | 3-23 | Zero Point, Part 1 - Three Kings | MPS01011T | 2013 | Modiphius Entertainment | Trail of Cthulhu | Czech Republic; Summer; 1939 |
| Three Kings | 3-23 | Zero Point, Part 1 - Three Kings | MPS01011S | 2012 | Modiphius Entertainment | Savage Worlds (Achtung!) | Czech Republic; Summer; 1939 |
| The Tools of the Trade | 115-130 | Investigator's Guide to the Secret War | MPS01031CS | 2013 | Modiphius Entertainment | Savage Worlds (Achtung!), Call of Cthulhu (Achtung!) | |
| The Tools of the Trade | 85-95 | Fate Investigator's Guide to the Secret War | MPS01031F | 2014 | Modiphius Entertainment | Fate | |
| Welcome to th Secret War | 3-9 | Fate Investigator's Guide to the Secret War | MPS01031F | 2014 | Modiphius Entertainment | Fate | |
| Welcome to the Secret War | 3-9 | Investigator's Guide to the Secret War | MPS01031CS | 2013 | Modiphius Entertainment | Call of Cthulhu (Achtung!), Savage Worlds (Achtung!) | |
| Your Country Needs You! | 48-85 | Investigator's Guide to the Secret War | MPS01031CS | 2013 | Modiphius Entertainment | Call of Cthulhu (Achtung!), Savage Worlds (Achtung!) | |
| Your Country Needs You! | 48-62 | Fate Investigator's Guide to the Secret War | MPS01031F | 2014 | Modiphius Entertainment | Fate | |
