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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

Cthulhu by Gaslight: Dust and Blood is now available on Roll20 VTT. The scenarios in our new release for Cthulhu by Gaslight highlight the grimy underbelly of Victorian London. The first, Dust to Dust, works well for novice Keepers and players, while Signs Writ in Scarlet provides a deeper and more … read more

Wow, it sure has been a busy 50th Anniversary year for the Chaosium team! In case you've missed something, here's a reverse run-down of everything new we've released in 2025, on the Chaosium website, at DriveThruRPG, in retail distribution, and a few other unlikely places, such as Steam and D&D … read more

Set in the picturesque state of Vermont at the beginning of the 1930s, A Time to Harvest is a six-part campaign centered on the valley surrounding the sleeping town of Cobb's Corners — and it's now available on Roll20! A Time To Harvest contains new rules and advice for creating stu … read more

Now on Roll20 VTT: The Sutra of Pale Leaves - Twin Suns Rising. Encountering the King in Yellow in 1980s Japan.  Forgotten for centuries, the Sutra of Pale Leaves has resurfaced in 1980s Japan—a time of excess, conspicuous consumption, and enormous technological changes. The m … read more

Cthulhu by Gaslight: Ready to Play Your Way on Roll20! Get over hundreds of tokens, beautifully designed maps and handouts, drag and drop supported items, and much more! Play Cthulhu by Gaslight: Investigators' Guide on Roll20! Stand-alone game, Compendium includes the complete rules … read more

The Two-Headed Serpent is an action-packed, globe-spanning, and high-octane campaign set in the 1930s for Pulp Cthulhu. The heroes face the sinister conspiracies of an ancient race of monsters hell-bent on taking back a world that was once theirs. And now it is available on Roll20 VTT! Wo … read more

  Does Love Forgive? is a collection of two special scenarios for Call of Cthulhu for one Keeper and one player. And it's now available at Roll20, just in time for Valentine's Day!  Play Does Love Forgive? with someone special in your life: both adventures are perf … read more