A collection of five nightmarish modern-day scenarios for the Call of Cthulhu Roleplaying Game. Gathered from across the aeons, this anthology of horror brings together for the first time a series of scenarios from the mind of Sandy Petersen, the creator of the Call of Cthulhu Roleplaying Game. Each one-shot scenario is designed for one or more sessions of play. Within, you will find the following tales of mystery and horror: Panacea Hotel Hell Mohole The Derelict Voice on the Phone Advice for getting the most out of the scenarios is provided, as well as suggestions for expanding the scope of the adventures and increasing their length. Each scenario comes with a set of ready to play pre-generated investigators, allowing players to dive straight into the mysteries within. Produced in full color, with art by Lee Simpson, M. Wayne Miller, Victor Manuel Leza Moreno, Grzegorz Pedrycz, Evgeny Maloshenkov, and sumptuous cartography by Andrew Law and Stephanie McAlea. Get ready to enter the mind of the creator of Call of Cthulhu and enjoy the nightmare! You must have a copy of the Call of Cthulhu Keeper Rulebook 7th Edition to fully enjoy these scenarios.