Chaosium

Berlin - The Wicked City: Call of Cthulhu 7th Ed - Rules of Play says: This book presents an overview of 1920s Berlin as it would be experie...

Wurm RPG Corebook - Rules of Play says: Würm is a system-lite RPG set in the last period of the Ice Age 35,000 years ago. Characters don’t h...

Call of Cthulhu: Terror Australis - Rules of Play says: This book contains two large scenarios and appendices: Long Way From Home: the inv...

RuneQuest - Roleplaying in Glorantha: Deluxe Slipcase Set - Rules of Play says: This amazing Slipcase set includes the core three books: R...

RuneQuest RPG - Roleplaying in Glorantha: Gamemaster Screen Pack - Rules of Play says: The RuneQuest Gamemaster Screen Pack is an essential ...

Prince Valiant RPG - Rules of Play says: Outstanding for both beginners and experienced players, Prince Valiant® The Storytelling Game is a ...

The Glorantha Sourcebook - Rules of Play says: The Glorantha Sourcebook is an essential resource for Greg Stafford’s world of Glorantha, one...

13th Age Glorantha - Rules of Play says: Create your group’s unique Gloranthan campaign using 13th Age: the d20-rolling game of heroic fanta...

RuneQuest RPG: Roleplaying in Glorantha Quick Start - Rules of Play says: Welcome to Chaosium’s RuneQuest Quickstart Rules, a booklet that c...

HeroQuest Glorantha RPG - Rules of Play says: The book includes everything you need to have to start a campaign in Glorantha: basic over...

Petersen's Abominations: Call of Cthulhu 7th Edition - Rules of Play says: A collection of five nightmarish modern-day scenarios for the Cal...

Alone Against The Dark: Call of Cthulhu 7th Edition - Rules of Play says: A solo play Call of Cthulhu mini campaign. No Keeper is needed as you ...

Call of Cthulhu 7th edition RPG: Reign of Terror - Rules of Play says: Developed by Call of Cthulhu mastermind Mark Morrison as a secret chapter...

Call of Cthulhu 7th Ed RPG: Down Darker Trails - Terrors of The Mythos in the Old West - Rules of Play says: Down Darker Trails is a new setting...

HP Lovecraft's Call of Cthulhu for Beginning Readers - Rules of Play says: "After the death of his great-uncle, Francis Wayland Thurston delves ...

The Grand Grimoire of Cthulhu Mythos Magic: Call of Cthulhu 7th Ed. - Rules of Play says: Over 550 spells of dire consequences, secrets, and unfat...

Call of Cthulhu 7th Ed: Doors to Darkness - Rules of Play says: Doors to Darkness provides five scenarios written especially for beginning Keepe...

Call of Cthulhu 7th Edition: S. Petersen’s Field Guide to Lovecraftian Horrors - Rules of Play says: Bad dreams involving strange adventures and...