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Unnatural Selections #103 — The 'Unnatural Selections' series is our regular round up of notable Chaosium reviews worth a look. “Probably going to be my Game of the Year… this game is a masterpiece, home run game,” says Bryan Drake of The Dice Tower. Watch Bryan's comprehen … read more

Now available on Virtual Tabletops! — Innsmouth and Arkham, the two superlative titles in our acclaimed 'Arkham Unveiled' series for Call of Cthulhu! Call of Cthulhu Innsmouth on Roll20 VTT Call of Cthulhu: Innsmouth is the definitive guide to the rotting seaport town—one of the m … read more

Save the date! Impromptu Con is back - November 13th-15th on Chaosium Discord. Impromptu Con is a low impact, easygoing, and free online gaming convention that celebrates all things Chaosium! Games will be running the entire weekend from volunteer GMs (including you, if you’re interested). C … read more

Explore the definitive guide to the Cthulhu mythos—from Azathoth to Zylac.   The Encyclopedia Cthulhiana is an essential resource for cosmic horror enthusiasts, gamers, and researchers. Learn the origins of the gods and monsters from the pantheons of H.P. Lovecraft and beyond. Gaze … read more

Chaosium President Rick Meints shares stories from a life-time as a collector of all things Chaosium. As I sifted and sorted through a few more older files and folders I happened upon a simply labeled stack of papers. The cover sheet stated "One Night." I thought to myself, "no, this coul … read more

Significant Streams is a feature on the Chaosium news blog where we highlight actual play streams, podcasts, and YouTube channels featuring Chaosium games that we think are worth checking out. By Bridgett Jeffries Today we look at Red Moon Roleplaying – an immersive actual play podcast priori … read more

LANDS OF RUNEQUEST: SARTAR -- Releasing October 14th 2026 -- Sartar is Free! Lands of RuneQuest: Sartar is a setting guide for new players and gamemasters, presenting the Kingdom of Sartar, newly-liberated from rule by the oppressive Lunar Empire. Sartar's pivotal location in the heart of Dragon Pa … read more

Our community content programs at DriveThruRPG enable fans to self-publish material for Chaosium's Call of Cthulhu, RuneQuest, Age of Vikings, and Pendragon TTRPGs. Independent creators can offer their work free of charge, set a price, or offer it as pay-what-you-want. Here we celebrate recent … read more