Delta Green: Countdown

ByJohn Tynes,Dennis Detwiller,

ByJohn Tynes,Dennis Detwiller,+1 more

1999 • 426 pages

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Series

1 primary book41 released books

Call of Cthulhu RPG

Call of Cthulhu RPG is a 41-book series with 41 released primary work first released in 1981 with contributions by Keith Herber, William Deitze, and Sandy Petersen.

The Keeper's Companion, Vol. 1

Call of Cthulhu: Horror Roleplaying in the Worlds of H.P. Lovecraft

Day of the Beast

S. Petersen's Field Guide to Cthulhu Monsters: A Field Observer's Handbook of Preternatural Entities

Series

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L'Appel de Cthulhu

L'Appel de Cthulhu is a 6-book series with 6 released primary works first released in 1981 with contributions by Sandy Petersen, Lynn Willis, and Dennis Detwiller.