| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2013 | 978-1-910132-00-5 | Chris Birch · Dave Blewer · Alex Blind · Adam Crossingham · Lynne Hardy · Sarah Newton · Matthew Pook | Achtung! Cthulhu Investigator's Guide to the Secret War |
| 2017 | 978-1-910132-75-3 | Modiphius | Tales from the Loop |