Call of Cthulhu, or CoC, is a horror role-playing game based on H. P. Lovecraft's story of the same name and the associated Cthulhu Mythos. The game is published by Chaosium. It was first released in 1981 and is currently in its seventh edition, with many different versions released. It makes use of Chaosium's Basic Role-Playing (BRP) system, with special rules for Sanity.
- Call of Cthulhu (role-playing game) at Wikipedia, the free encyclopedia.