Unseen Masters
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| Modern Struggles against Hidden Powers | |
|---|---|
![]() Second printing cover by Matt Harpold. | |
| Designers | Bruce Ballon |
| Publishers | Chaosium |
| Publication | 2001 |
| Genres | Horror |
| Systems | Basic Role-Playing |
Unseen Masters, Modern Struggles against Hidden Powers is a 2001 Horror fiction tabletop role-playing game adventure, written by Bruce Ballon, with a cover by Matt Harpold, and published by Chaosium for Call of Cthulhu.[1]
