Call of Cthulhu Keeper Decks 2nd Edition are designed to provide in game resources, handy references, and information. Use these decks to supplement scenarios, for inspiration when designing new encounters, to pass secret and important notes to players, and as a handy way to impart information.

This 2nd edition of the Call of Cthulhu Keeper Decks boasts a new and streamlined card design. Every card of each deck contains all-new art, and many cards have updated names, characteristics, and descriptions.