Chaosium has undergone significant changes in licensing over the last decade. While many current titles (7th Edition) are widely available, Day of the Beast is a 5th/5.5th Edition relic. The "exclusive" PDF is typically only available through two channels:
This is a title—no print-on-demand or physical edition currently available from Chaosium (as of 2025). You buy it directly from Chaosium’s website or DriveThruRPG. call of cthulhu day of the beast pdf exclusive
: Includes highly-regarded chapters such as "The Thing in the Well," "Castle Dark," and "The Sands of Time". PDF & Digital Details Chaosium has undergone significant changes in licensing over
The PDF includes handouts, maps (basic but functional), NPC stats, and a few new spells and tomes. " "Castle Dark