In Call Of Cthulhu, ordinary people are confronted by the terrifying beings and forces of the Cthulhu Mythos.
Players portray investigators of things unknown and unspeakable.
Except for dice, everything needed for play is included in this book. We've tried to keep this new revised edition of Call of Cthulhu largely compatible with the old edition. You should be able to continue to use the fifth edition if you so desire. Nonetheless, we did change a few rules around. Here's a quick rundown, in descending order of importance.