| Title | Code | Date | Publisher | System (Setting) |
|---|---|---|---|---|
 The Qaanaaq | Sep 2024 | Chaosium | Call of Cthulhu (Classic) | |
 Queensguard | CHA0382 | 2009 | Chaosium | Call of Cthulhu (Steampunk) |
 Quest for Atlantis | NX0101 | 2015 | Voodoo Bunny | Incredible Expeditions |
| A Quest for Power | Feb 2023 | Chaosium | Call of Cthulhu (Now) | |
| Quick Start Cthulhu Dark Ages | 2009 | Chaosium | Call of Cthulhu (Dark Ages) | |
| Quickstart Rules and Adventure | MUH051745 | 2021 | Modiphius Entertainment | Achtung! Cthulhu |
| Quill: Shadow and Ink | 2017 | Trollish Delver Games | Quill | |
| Quill: Shadow and Ink * | 2021 | Trollish Delver Games | Quill |