This book, the Keeper Rulebook, contains the core rules, background, guidance, spells, and monsters of the game. You and your companions may very well decide the fate of the world. Within strange and forgotten tomes of lore you discover revelations that man was not meant to know. You encounter sanity-blasting entities, monsters, and insane cultists. Playing the role of steadfast investigators, you travel to strange and dangerous places, uncover foul plots, and stand against the terrors of the Cthulhu Mythos. It is a game of secrets, mysteries, and horror. Will you stand against the horrors of the night?Ĭall of Cthulhu is a tabletop roleplaying game based upon the worlds of H. When the stars are right they will rise, and once again walk this Earth. Now they sleep - some deep within the enveloping earth and others beneath the eternal sea, in the drowned city of R'lyeh, preserved in the waters by the spells of mighty Cthulhu. Remains of their cyclopean cities and forbidden knowledge can still be found on remote islands in the Pacific, buried amid the shifting sands of vast deserts, and in the frigid recesses of the polar extremes.
Originally they came from the gulfs of space and were cast down by even greater beings. The Great Old Ones ruled the earth aeons before the rise of humankind.
“We live on a placid island of ignorance in the midst of black seas of infinity, and it was not meant that we should voyage far.” -H.P.