Call of Cthulhu is a horror fiction role-playing game based on H. P. Lovecraft's story of the same name and the associated Cthulhu Mythos. The game, often abbreviated as CoC, 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.
The Necropolis: The year is 1924 and the investigators are part of an archaeological dig in the Valley of Kings, Egypt. The scenario starts with the investigators sealed inside the entrance to a mysterious tomb. They must find a way to escape and avoid death at the hands of a crazed and horrific Abomination.